musehub_wire_fetch.py
python
sha256:1c5b7a0aba79472f4b10e52326dc010bdab1a498c9e195593d0707860478a034
feat(#92): phase 3 — cache lookup in wire_fetch_mpack (FMC_…
Sonnet 4.6
patch
34 days ago
| 1 | """Fetch path — wire_fetch_presign, wire_fetch_mpack, wire_fetch, process_mpack_gc_job.""" |
| 2 | |
| 3 | import asyncio |
| 4 | import hashlib |
| 5 | import logging |
| 6 | import msgpack as _msgpack |
| 7 | import time as _time_module |
| 8 | from collections import deque |
| 9 | from datetime import datetime, timezone |
| 10 | from typing import TypedDict |
| 11 | |
| 12 | from sqlalchemy import func, select, text as _sa_text |
| 13 | from sqlalchemy.dialects.postgresql import insert as _pg_insert |
| 14 | from sqlalchemy.ext.asyncio import AsyncSession |
| 15 | |
| 16 | from musehub.db.musehub_repo_models import ( |
| 17 | MusehubBranch, |
| 18 | MusehubCommit, |
| 19 | MusehubCommitGraph, |
| 20 | MusehubFetchMPackCache, |
| 21 | MusehubMPackIndex, |
| 22 | MusehubObject, |
| 23 | MusehubObjectRef, |
| 24 | MusehubRepo, |
| 25 | MusehubSnapshot, |
| 26 | ) |
| 27 | from musehub.models.wire import WireFetchRequest |
| 28 | from muse.core.types import blob_id |
| 29 | from musehub.storage import get_backend |
| 30 | |
| 31 | from musehub.services.musehub_wire_shared import ( |
| 32 | FetchMPackResult, |
| 33 | FetchNotIndexedError, |
| 34 | MPackNotReadyError, |
| 35 | FetchPresignResult, |
| 36 | MPackValidationError, |
| 37 | _reconstruct_manifest, |
| 38 | _snap_row_to_wire_s3, |
| 39 | _commit_to_wire_s3, |
| 40 | _to_wire_commit, |
| 41 | _utc_now, |
| 42 | logger, |
| 43 | ) |
| 44 | from musehub.services.musehub_wire_push import repair_corrupt_commit_generations |
| 45 | |
| 46 | |
| 47 | type _CommitDeltaMap = dict[str, MusehubCommitGraph | MusehubCommit] |
| 48 | |
| 49 | |
| 50 | async def _walk_commit_delta_dag( |
| 51 | session: AsyncSession, |
| 52 | starts: list[str], |
| 53 | have_set: frozenset[str], |
| 54 | ) -> _CommitDeltaMap: |
| 55 | """Authoritative DAG walk over MusehubCommit.parent_ids. |
| 56 | |
| 57 | Called when the graph fast-path detects an incomplete BFS (a missing or |
| 58 | wrong-generation graph row). Walks the source-of-truth ``musehub_commits`` |
| 59 | table directly and returns the full ancestor closure of ``starts`` minus |
| 60 | ``have_set``, in parents-first topological order. Bounded by ``max_nodes`` |
| 61 | so a pathological corrupt graph cannot drive an unbounded scan. |
| 62 | """ |
| 63 | from musehub.graph.walk import walk_dag_async |
| 64 | |
| 65 | _row_cache: dict[str, MusehubCommit] = {} |
| 66 | _db_calls = 0 |
| 67 | |
| 68 | async def _adj(cid: str) -> list[str]: |
| 69 | nonlocal _db_calls |
| 70 | _db_calls += 1 |
| 71 | row = await session.get(MusehubCommit, cid) |
| 72 | if row is not None: |
| 73 | _row_cache[cid] = row |
| 74 | return row.parent_ids or [] if row else [] |
| 75 | |
| 76 | reachable: list[str] = [] |
| 77 | async for cid in walk_dag_async(starts, _adj, exclude=have_set, max_nodes=100_000): |
| 78 | reachable.append(cid) |
| 79 | |
| 80 | if len(reachable) >= 100_000: |
| 81 | logger.warning( |
| 82 | "[MWP2] _walk_commit_delta_dag: max_nodes cap hit at %d — " |
| 83 | "history may be truncated; starts=%s", |
| 84 | 100_000, [s[:16] for s in starts[:3]], |
| 85 | ) |
| 86 | |
| 87 | # Kahn's topo-sort — parents-first so every commit precedes its children. |
| 88 | # walk_dag_async BFS order is children-before-parents; the client applies |
| 89 | # commits sequentially and skips any whose parent is not yet applied, so |
| 90 | # ascending topological order avoids redundant skips. |
| 91 | reachable_set = set(reachable) |
| 92 | in_degree: dict[str, int] = {cid: 0 for cid in reachable} |
| 93 | children_map: dict[str, list[str]] = {cid: [] for cid in reachable} |
| 94 | for cid in reachable: |
| 95 | row = _row_cache.get(cid) |
| 96 | for pid in (row.parent_ids or [] if row else []): |
| 97 | if pid in reachable_set: |
| 98 | in_degree[cid] += 1 |
| 99 | children_map[pid].append(cid) |
| 100 | |
| 101 | queue: deque[str] = deque(cid for cid, deg in in_degree.items() if deg == 0) |
| 102 | sorted_cids: list[str] = [] |
| 103 | while queue: |
| 104 | node = queue.popleft() |
| 105 | sorted_cids.append(node) |
| 106 | for child in children_map[node]: |
| 107 | in_degree[child] -= 1 |
| 108 | if in_degree[child] == 0: |
| 109 | queue.append(child) |
| 110 | |
| 111 | result: _CommitDeltaMap = {} |
| 112 | for cid in sorted_cids: |
| 113 | row = _row_cache.get(cid) |
| 114 | if row is not None: |
| 115 | result[cid] = row |
| 116 | |
| 117 | logger.info( |
| 118 | "[_walk_commit_delta_dag] DONE commits=%d db_calls=%d reachable=%d", |
| 119 | len(result), _db_calls, len(reachable), |
| 120 | ) |
| 121 | return result |
| 122 | |
| 123 | |
| 124 | async def _walk_commit_delta( |
| 125 | session: AsyncSession, |
| 126 | want: list[str] | set[str], |
| 127 | have: list[str] | set[str], |
| 128 | ) -> _CommitDeltaMap: |
| 129 | _wcd_t0 = _time_module.perf_counter() |
| 130 | _want_list = list(want) |
| 131 | _have_list = list(have) |
| 132 | logger.info("[_walk_commit_delta] START want=%d have=%d want_ids=%s", |
| 133 | len(_want_list), len(_have_list), |
| 134 | [cid[:16] for cid in _want_list[:5]]) |
| 135 | |
| 136 | have_set: frozenset[str] = frozenset(_have_list) |
| 137 | starts = [cid for cid in _want_list if cid not in have_set] |
| 138 | if not starts: |
| 139 | logger.info("[_walk_commit_delta] SKIP — all want in have, 0ms") |
| 140 | return {} |
| 141 | |
| 142 | from sqlalchemy import func as _func |
| 143 | |
| 144 | want_gen_q = await session.execute( |
| 145 | select(_func.max(MusehubCommitGraph.generation)) |
| 146 | .where(MusehubCommitGraph.commit_id.in_(starts)) |
| 147 | ) |
| 148 | _want_gen_raw = want_gen_q.scalar() |
| 149 | max_want_gen: int = _want_gen_raw or 0 |
| 150 | |
| 151 | _missing_from_graph: list[str] = [] |
| 152 | _found_in_graph: list[tuple[str, int]] = [] |
| 153 | for _scid in starts[:10]: |
| 154 | _sg = await session.execute( |
| 155 | select(MusehubCommitGraph.generation) |
| 156 | .where(MusehubCommitGraph.commit_id == _scid) |
| 157 | ) |
| 158 | _sg_val = _sg.scalar_one_or_none() |
| 159 | if _sg_val is None: |
| 160 | _missing_from_graph.append(_scid[:16]) |
| 161 | else: |
| 162 | _found_in_graph.append((_scid[:16], _sg_val)) |
| 163 | logger.info( |
| 164 | "[_walk_commit_delta] want_gen_raw=%s max_want_gen=%d " |
| 165 | "starts_in_graph=%s starts_missing_from_graph=%s", |
| 166 | _want_gen_raw, max_want_gen, _found_in_graph, _missing_from_graph, |
| 167 | ) |
| 168 | |
| 169 | min_have_gen: int = -1 |
| 170 | if have_set: |
| 171 | have_gen_q = await session.execute( |
| 172 | select(_func.max(MusehubCommitGraph.generation)) |
| 173 | .where(MusehubCommitGraph.commit_id.in_(list(have_set))) |
| 174 | ) |
| 175 | min_have_gen = have_gen_q.scalar() or -1 |
| 176 | |
| 177 | range_q = await session.execute( |
| 178 | select( |
| 179 | MusehubCommitGraph.commit_id, |
| 180 | MusehubCommitGraph.parent_ids, |
| 181 | MusehubCommitGraph.snapshot_id, |
| 182 | MusehubCommitGraph.generation, |
| 183 | ) |
| 184 | .where(MusehubCommitGraph.generation > min_have_gen) |
| 185 | .where(MusehubCommitGraph.generation <= max_want_gen) |
| 186 | ) |
| 187 | graph_map: dict[str, tuple[list[str], str | None, int]] = { |
| 188 | cid: (pids or [], sid, gen) for cid, pids, sid, gen in range_q |
| 189 | } |
| 190 | logger.info( |
| 191 | "[_walk_commit_delta] range_scan gen=(%d,%d] returned %d rows " |
| 192 | "starts_in_map=%s", |
| 193 | min_have_gen, max_want_gen, len(graph_map), |
| 194 | [cid[:16] for cid in starts if cid in graph_map], |
| 195 | ) |
| 196 | |
| 197 | # [MWP2] Start detection: any want tip absent from graph_map means the range |
| 198 | # scan was starved (its generation was None/0) or the row was never written. |
| 199 | graph_incomplete: bool = any(s not in graph_map for s in starts) |
| 200 | |
| 201 | visited_mem: set[str] = set(have_set) |
| 202 | frontier_mem = [cid for cid in starts if cid not in visited_mem] |
| 203 | reachable_cids: set[str] = set() |
| 204 | while frontier_mem: |
| 205 | next_mem: list[str] = [] |
| 206 | for cid in frontier_mem: |
| 207 | if cid in visited_mem: |
| 208 | continue |
| 209 | visited_mem.add(cid) |
| 210 | reachable_cids.add(cid) |
| 211 | # [MWP2] BFS dead-end detection: a commit not in graph_map has no |
| 212 | # known parents — the walk cannot follow the true ancestry chain. |
| 213 | _entry = graph_map.get(cid) |
| 214 | if _entry is None: |
| 215 | graph_incomplete = True |
| 216 | pids_for_cid: list[str] = [] |
| 217 | else: |
| 218 | pids_for_cid, _, _gen = _entry |
| 219 | for p in pids_for_cid: |
| 220 | if p not in visited_mem and p not in have_set: |
| 221 | next_mem.append(p) |
| 222 | frontier_mem = next_mem |
| 223 | |
| 224 | # [MWP2] If any dead-end was detected, the fast-path result is incomplete. |
| 225 | # Fall back to the authoritative MusehubCommit DAG walk so the current |
| 226 | # response is always correct regardless of graph state. |
| 227 | if graph_incomplete: |
| 228 | logger.error( |
| 229 | "[MWP2] fast-path BFS incomplete — missing_starts=%d want=%d have=%d; " |
| 230 | "falling back to authoritative MusehubCommit DAG walk", |
| 231 | sum(1 for s in starts if s not in graph_map), |
| 232 | len(starts), len(have_set), |
| 233 | ) |
| 234 | return await _walk_commit_delta_dag(session, starts, have_set) |
| 235 | |
| 236 | from types import SimpleNamespace as _SN |
| 237 | # Sort by generation ASC so parents appear before children in the dict. |
| 238 | # reachable_cids is a set — iteration order is undefined — and the client |
| 239 | # applies commits sequentially, skipping any whose parent hasn't been applied |
| 240 | # yet. Ascending generation = topological order = every parent precedes its |
| 241 | # children in the mpack. |
| 242 | sorted_cids = sorted(reachable_cids, key=lambda c: graph_map.get(c, ([], None, 0))[2]) |
| 243 | needed_graph: dict[str, _SN] = {} |
| 244 | for cid in sorted_cids: |
| 245 | pids_ns, sid_ns, _ = graph_map.get(cid, ([], None, 0)) |
| 246 | needed_graph[cid] = _SN(commit_id=cid, snapshot_id=sid_ns, parent_ids=pids_ns) |
| 247 | |
| 248 | _wcd_elapsed = (_time_module.perf_counter() - _wcd_t0) * 1000 |
| 249 | logger.info( |
| 250 | "[_walk_commit_delta] DONE (graph) commits=%d elapsed=%.1fms (%.3fms/commit) " |
| 251 | "gen_range=(%d,%d] graph_rows=%d reachable=%d", |
| 252 | len(needed_graph), _wcd_elapsed, _wcd_elapsed / max(len(needed_graph), 1), |
| 253 | min_have_gen, max_want_gen, len(graph_map), len(reachable_cids), |
| 254 | ) |
| 255 | return needed_graph # type: ignore[return-value] |
| 256 | |
| 257 | |
| 258 | async def wire_fetch_presign( |
| 259 | session: AsyncSession, |
| 260 | repo_id: str, |
| 261 | req: WireFetchRequest, |
| 262 | ttl_seconds: int = 3600, |
| 263 | ) -> FetchPresignResult: |
| 264 | import asyncio |
| 265 | from datetime import timedelta |
| 266 | |
| 267 | _empty: FetchPresignResult = { |
| 268 | "presign": False, |
| 269 | "blob_urls": {}, |
| 270 | "commits": [], |
| 271 | "snapshots": [], |
| 272 | "branch_heads": {}, |
| 273 | "repo_id": repo_id, |
| 274 | "domain": "", |
| 275 | "default_branch": "main", |
| 276 | "expires_at": None, |
| 277 | "commit_count": 0, |
| 278 | "blob_count": 0, |
| 279 | } |
| 280 | |
| 281 | if not req.want: |
| 282 | return _empty |
| 283 | |
| 284 | repo_row = await session.get(MusehubRepo, repo_id) |
| 285 | if repo_row is None: |
| 286 | return _empty |
| 287 | _domain: str = repo_row.domain_id or "" |
| 288 | _default_branch: str = repo_row.default_branch if repo_row.default_branch else "main" |
| 289 | _empty["domain"] = _domain |
| 290 | _empty["default_branch"] = _default_branch |
| 291 | _empty["repo_id"] = repo_id |
| 292 | |
| 293 | have_set = set(req.have) |
| 294 | needed_rows = await _walk_commit_delta(session, req.want, have_set) |
| 295 | |
| 296 | if not needed_rows: |
| 297 | return {**_empty, "domain": _domain, "default_branch": _default_branch} |
| 298 | |
| 299 | _presign_commit_rows: dict[str, MusehubCommit] = {} |
| 300 | _presign_any = next(iter(needed_rows.values())) |
| 301 | if not isinstance(_presign_any, MusehubCommit): |
| 302 | _PRESIGN_WIRE_BATCH = 2000 |
| 303 | _presign_cids = list(needed_rows.keys()) |
| 304 | for _pi in range(0, len(_presign_cids), _PRESIGN_WIRE_BATCH): |
| 305 | _pq = await session.execute( |
| 306 | select(MusehubCommit).where(MusehubCommit.commit_id.in_(_presign_cids[_pi : _pi + _PRESIGN_WIRE_BATCH])) |
| 307 | ) |
| 308 | for _pr in _pq.scalars(): |
| 309 | _presign_commit_rows[_pr.commit_id] = _pr |
| 310 | else: |
| 311 | _presign_commit_rows = needed_rows # type: ignore[assignment] |
| 312 | |
| 313 | snap_ids = [r.snapshot_id for r in needed_rows.values() if r.snapshot_id] |
| 314 | all_oids: set[str] = set() |
| 315 | if snap_ids: |
| 316 | snaps_q = await session.execute( |
| 317 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(snap_ids)) |
| 318 | ) |
| 319 | for snap in snaps_q.scalars().all(): |
| 320 | manifest = ( |
| 321 | _msgpack.unpackb(snap.manifest_blob, raw=False) |
| 322 | if snap.manifest_blob |
| 323 | else await _reconstruct_manifest(session, snap.snapshot_id) |
| 324 | ) |
| 325 | all_oids.update(v for v in manifest.values() if v) |
| 326 | |
| 327 | have_snap_ids: list[str] = [] |
| 328 | if have_set: |
| 329 | have_commits_q = await session.execute( |
| 330 | select(MusehubCommit).where(MusehubCommit.commit_id.in_(have_set)) |
| 331 | ) |
| 332 | have_snap_ids = [r.snapshot_id for r in have_commits_q.scalars().all() if r.snapshot_id] |
| 333 | have_oids: set[str] = set() |
| 334 | if have_snap_ids: |
| 335 | have_snaps_q = await session.execute( |
| 336 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(have_snap_ids)) |
| 337 | ) |
| 338 | for snap in have_snaps_q.scalars().all(): |
| 339 | manifest = ( |
| 340 | _msgpack.unpackb(snap.manifest_blob, raw=False) |
| 341 | if snap.manifest_blob |
| 342 | else await _reconstruct_manifest(session, snap.snapshot_id) |
| 343 | ) |
| 344 | have_oids.update(v for v in manifest.values() if v) |
| 345 | |
| 346 | new_oids = all_oids - have_oids |
| 347 | n_objects = len(new_oids) |
| 348 | n_commits = len(needed_rows) |
| 349 | |
| 350 | total_size = 0 |
| 351 | if new_oids: |
| 352 | size_q = await session.execute( |
| 353 | select(func.coalesce(func.sum(MusehubObject.size_bytes), 0)).where( |
| 354 | MusehubObject.object_id.in_(list(new_oids)) |
| 355 | ) |
| 356 | ) |
| 357 | total_size = int(size_q.scalar() or 0) |
| 358 | |
| 359 | backend = get_backend() |
| 360 | |
| 361 | wire_commits = [ |
| 362 | (await _commit_to_wire_s3(row, backend)).model_dump() |
| 363 | for row in _presign_commit_rows.values() |
| 364 | ] |
| 365 | |
| 366 | snap_rows_q = await session.execute( |
| 367 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(snap_ids)) |
| 368 | ) |
| 369 | wire_snaps = [ |
| 370 | await _snap_row_to_wire_s3(snap, backend, session=session) |
| 371 | for snap in snap_rows_q.scalars().all() |
| 372 | ] |
| 373 | |
| 374 | branch_rows_q = await session.execute( |
| 375 | select(MusehubBranch).where(MusehubBranch.repo_id == repo_id) |
| 376 | ) |
| 377 | branch_heads = { |
| 378 | b.name: b.head_commit_id |
| 379 | for b in branch_rows_q.scalars().all() |
| 380 | if b.head_commit_id |
| 381 | } |
| 382 | |
| 383 | sem = asyncio.Semaphore(50) |
| 384 | |
| 385 | logger.info( |
| 386 | "fetch/presign: generating %d presigned GET URLs repo=%s/%s", |
| 387 | len(new_oids), repo_row.owner, repo_row.slug, |
| 388 | ) |
| 389 | |
| 390 | async def _presign_one(oid: str) -> tuple[str, str]: |
| 391 | async with sem: |
| 392 | url = await backend.presign_get(oid, ttl_seconds) |
| 393 | logger.debug("fetch/presign: presigned oid=%s", oid) |
| 394 | return oid, url |
| 395 | |
| 396 | pairs = await asyncio.gather(*(_presign_one(oid) for oid in new_oids)) |
| 397 | blob_urls = {oid: url for oid, url in pairs} |
| 398 | expires_at = (_utc_now() + timedelta(seconds=ttl_seconds)).isoformat() |
| 399 | |
| 400 | return { |
| 401 | "presign": True, |
| 402 | "blob_urls": blob_urls, |
| 403 | "commits": wire_commits, |
| 404 | "snapshots": wire_snaps, |
| 405 | "branch_heads": branch_heads, |
| 406 | "repo_id": repo_id, |
| 407 | "domain": _domain, |
| 408 | "default_branch": _default_branch, |
| 409 | "expires_at": expires_at, |
| 410 | "commit_count": n_commits, |
| 411 | "blob_count": n_objects, |
| 412 | } |
| 413 | |
| 414 | async def wire_fetch_mpack( |
| 415 | session: AsyncSession, |
| 416 | repo_id: str, |
| 417 | want: list[str], |
| 418 | have: list[str], |
| 419 | ttl_seconds: int = 3600, |
| 420 | force_build: bool = False, |
| 421 | ) -> FetchMPackResult: |
| 422 | import msgpack as _msgpack_local |
| 423 | |
| 424 | _t0 = _time_module.perf_counter() |
| 425 | def _ms() -> float: |
| 426 | return (_time_module.perf_counter() - _t0) * 1000 |
| 427 | |
| 428 | logger.info("[wire_fetch_mpack] START repo_id=%s want=%d have=%d want_ids=%s", |
| 429 | repo_id, len(want), len(have), [cid[:16] for cid in want[:5]]) |
| 430 | |
| 431 | _up_to_date: FetchMPackResult = { |
| 432 | "mpack_url": None, |
| 433 | "mpack_id": None, |
| 434 | "commit_count": 0, |
| 435 | "blob_count": 0, |
| 436 | } |
| 437 | |
| 438 | if not want: |
| 439 | logger.info("[wire_fetch_mpack] SKIP — want is empty") |
| 440 | return _up_to_date |
| 441 | |
| 442 | backend = get_backend() |
| 443 | |
| 444 | # FMC_09 / FMC_10 / FMC_12 — cache lookup for fresh clones (have=[]). |
| 445 | # For multi-tip requests, all tips must map to the same mpack_id (built by |
| 446 | # the prebuild as one combined mpack). |
| 447 | if not have: |
| 448 | _cache_t0 = _time_module.perf_counter() |
| 449 | _cached_rows = (await session.execute( |
| 450 | select(MusehubFetchMPackCache) |
| 451 | .where(MusehubFetchMPackCache.repo_id == repo_id) |
| 452 | .where(MusehubFetchMPackCache.tip_commit_id.in_(want)) |
| 453 | .where(MusehubFetchMPackCache.expires_at > _utc_now()) |
| 454 | )).scalars().all() |
| 455 | _cache_ms = (_time_module.perf_counter() - _cache_t0) * 1000 |
| 456 | _cached_tips = {r.tip_commit_id: r.mpack_id for r in _cached_rows} |
| 457 | _mpack_ids = set(_cached_tips.values()) |
| 458 | if len(_cached_tips) == len(want) and len(_mpack_ids) == 1: |
| 459 | _hit_mpack_id = next(iter(_mpack_ids)) |
| 460 | _cached_url = await backend.presign_mpack_get(_hit_mpack_id, ttl_seconds) |
| 461 | logger.warning( |
| 462 | "[wire_fetch_mpack] cache=HIT tips=%d mpack_id=%s t=%.1fms", |
| 463 | len(want), _hit_mpack_id[:20], _cache_ms, |
| 464 | ) |
| 465 | return { |
| 466 | "mpack_url": _cached_url, |
| 467 | "mpack_id": _hit_mpack_id, |
| 468 | "commit_count": 0, |
| 469 | "blob_count": 0, |
| 470 | } |
| 471 | if not force_build: |
| 472 | logger.warning( |
| 473 | "[wire_fetch_mpack] cache=MISS tips=%d cached_tips=%d t=%.1fms — raising MPackNotReadyError", |
| 474 | len(want), len(_cached_tips), _cache_ms, |
| 475 | ) |
| 476 | raise MPackNotReadyError() |
| 477 | logger.warning( |
| 478 | "[wire_fetch_mpack] cache=MISS tips=%d cached_tips=%d t=%.1fms — force_build=True, continuing", |
| 479 | len(want), len(_cached_tips), _cache_ms, |
| 480 | ) |
| 481 | |
| 482 | have_set = set(have) |
| 483 | logger.info("[wire_fetch_mpack] step=1 DAG walk starting t=%.1fms", _ms()) |
| 484 | needed_rows = await _walk_commit_delta(session, want, have_set) |
| 485 | logger.info("[wire_fetch_mpack] step=1 DAG walk done commits=%d t=%.1fms", len(needed_rows), _ms()) |
| 486 | |
| 487 | if not needed_rows: |
| 488 | logger.info("[wire_fetch_mpack] SKIP — client already up-to-date (needed_rows empty)") |
| 489 | return _up_to_date |
| 490 | |
| 491 | commit_rows: dict[str, MusehubCommit] = {} |
| 492 | _any = next(iter(needed_rows.values())) |
| 493 | _is_proxy = not isinstance(_any, MusehubCommit) |
| 494 | logger.info("[wire_fetch_mpack] step=1b needed_rows=%d is_proxy=%s t=%.1fms", |
| 495 | len(needed_rows), _is_proxy, _ms()) |
| 496 | if _is_proxy: |
| 497 | _cids = list(needed_rows.keys()) |
| 498 | _q = await session.execute( |
| 499 | select(MusehubCommit).where( |
| 500 | _sa_text("commit_id = ANY(:ids)").bindparams(ids=_cids) |
| 501 | ) |
| 502 | ) |
| 503 | for _row in _q.scalars(): |
| 504 | commit_rows[_row.commit_id] = _row |
| 505 | _missing_from_db = set(_cids) - set(commit_rows.keys()) |
| 506 | logger.info( |
| 507 | "[wire_fetch_mpack] step=1b bulk fetch done commits_in_db=%d missing_from_db=%d " |
| 508 | "missing_ids=%s t=%.1fms", |
| 509 | len(commit_rows), len(_missing_from_db), |
| 510 | [cid[:16] for cid in list(_missing_from_db)[:5]], _ms(), |
| 511 | ) |
| 512 | else: |
| 513 | commit_rows = needed_rows # type: ignore[assignment] |
| 514 | logger.info("[wire_fetch_mpack] step=1b using MusehubCommit rows directly commits=%d t=%.1fms", |
| 515 | len(commit_rows), _ms()) |
| 516 | |
| 517 | _proxy_snap_ids_raw = [r.snapshot_id for r in needed_rows.values()] |
| 518 | _graph_snap_ids = [sid for sid in _proxy_snap_ids_raw if sid] |
| 519 | _proxy_snap_none_count = sum(1 for s in _proxy_snap_ids_raw if not s) |
| 520 | _commit_row_snap_ids = [r.snapshot_id for r in commit_rows.values() if r.snapshot_id] |
| 521 | # Defensive fallback: CommitGraph rows from server-side merges may have snapshot_id=None |
| 522 | # (pre-fix state). The MusehubCommit row always has the correct snapshot_id — merge both. |
| 523 | snap_ids = list({*_graph_snap_ids, *_commit_row_snap_ids}) |
| 524 | logger.info( |
| 525 | "[wire_fetch_mpack] step=2 snap_ids_from_graph=%d snap_ids_none_in_graph=%d " |
| 526 | "snap_ids_from_commit_rows=%d snap_ids_total=%d t=%.1fms", |
| 527 | len(_graph_snap_ids), _proxy_snap_none_count, len(_commit_row_snap_ids), len(snap_ids), _ms(), |
| 528 | ) |
| 529 | |
| 530 | snap_map: dict[str, dict] = {} |
| 531 | if snap_ids: |
| 532 | snaps_q = await session.execute( |
| 533 | select(MusehubSnapshot).where( |
| 534 | _sa_text("snapshot_id = ANY(:ids)").bindparams(ids=snap_ids) |
| 535 | ) |
| 536 | ) |
| 537 | for snap in snaps_q.scalars().all(): |
| 538 | snap_map[snap.snapshot_id] = await _snap_row_to_wire_s3(snap, backend, session=session) |
| 539 | logger.info("[wire_fetch_mpack] step=2 snap_map loaded=%d t=%.1fms", len(snap_map), _ms()) |
| 540 | |
| 541 | all_oids: set[str] = set() |
| 542 | _needed_cids = list(needed_rows.keys()) |
| 543 | logger.warning("[GRAPH-DEBUG] wire_fetch_mpack: needed_rows=%d needed_cids_sample=%s", |
| 544 | len(_needed_cids), [c[:16] for c in _needed_cids[:3]]) |
| 545 | _debug_graph_q = await session.execute( |
| 546 | select(MusehubCommitGraph.commit_id, MusehubCommitGraph.generation, MusehubCommitGraph.snapshot_id) |
| 547 | .where(MusehubCommitGraph.commit_id.in_(_needed_cids)) |
| 548 | .order_by(MusehubCommitGraph.generation.desc()) |
| 549 | .limit(5) |
| 550 | ) |
| 551 | _debug_graph_rows = _debug_graph_q.all() |
| 552 | logger.warning("[GRAPH-DEBUG] wire_fetch_mpack: CommitGraph has %d rows for needed_cids (top 5 by gen): %s", |
| 553 | len(_debug_graph_rows), |
| 554 | [(r[1], r[0][:16]) for r in _debug_graph_rows]) |
| 555 | want_tip_snap_q = await session.execute( |
| 556 | select(MusehubCommitGraph.snapshot_id) |
| 557 | .where(MusehubCommitGraph.commit_id.in_(_needed_cids)) |
| 558 | .order_by(MusehubCommitGraph.generation.desc()) |
| 559 | .limit(1) |
| 560 | ) |
| 561 | want_tip_snap_id = want_tip_snap_q.scalar_one_or_none() |
| 562 | logger.warning("[GRAPH-DEBUG] wire_fetch_mpack: want_tip_snap_id=%s", |
| 563 | want_tip_snap_id[:20] if want_tip_snap_id else "NONE") |
| 564 | logger.info("[wire_fetch_mpack] step=2 want_tip_snap_id=%s (from CommitGraph) t=%.1fms", |
| 565 | want_tip_snap_id[:16] if want_tip_snap_id else None, _ms()) |
| 566 | # [BLOB-DEBUG] Compare want_tip_snap_id (from CommitGraph) vs actual want commits' |
| 567 | # snapshot IDs (from commit_rows). A mismatch means CommitGraph is stale for the |
| 568 | # newest push — the old snapshot's manifest_blob would be missing new blobs. |
| 569 | _want_snap_ids_from_commit_rows = { |
| 570 | commit_rows[cid].snapshot_id |
| 571 | for cid in want |
| 572 | if cid in commit_rows and commit_rows[cid].snapshot_id |
| 573 | } |
| 574 | logger.warning( |
| 575 | "[BLOB-DEBUG] want_tip_snap_id (CommitGraph max-gen)=%s " |
| 576 | "want_snap_ids_from_commit_rows=%s MATCH=%s", |
| 577 | want_tip_snap_id[:20] if want_tip_snap_id else "NONE", |
| 578 | [s[:20] for s in _want_snap_ids_from_commit_rows], |
| 579 | want_tip_snap_id in _want_snap_ids_from_commit_rows if want_tip_snap_id else False, |
| 580 | ) |
| 581 | |
| 582 | # [MWP1_13] Fetch-side guard: if the CommitGraph's max-gen snapshot disagrees |
| 583 | # with the authoritative MusehubCommit snapshot, the graph has a corrupt |
| 584 | # generation (RC-1 artefact). Repair in-place before assembling the mpack so |
| 585 | # a stale clone is never shipped. Full DAG-walk fallback is MWP-2. |
| 586 | if ( |
| 587 | want_tip_snap_id is not None |
| 588 | and _want_snap_ids_from_commit_rows |
| 589 | and want_tip_snap_id not in _want_snap_ids_from_commit_rows |
| 590 | ): |
| 591 | logger.error( |
| 592 | "[MWP1] fetch-side guard: want_tip_snap_id=%s not in " |
| 593 | "commit_rows snapshot_ids=%s — repairing corrupt commit generations", |
| 594 | want_tip_snap_id[:20], |
| 595 | [s[:20] for s in _want_snap_ids_from_commit_rows], |
| 596 | ) |
| 597 | _repair_result = await repair_corrupt_commit_generations(session) |
| 598 | logger.error("[MWP1] fetch-side repair complete: %s", _repair_result) |
| 599 | # Re-query to pick up the corrected tip snapshot after repair. |
| 600 | _requery = await session.execute( |
| 601 | select(MusehubCommitGraph.snapshot_id) |
| 602 | .where(MusehubCommitGraph.commit_id.in_(_needed_cids)) |
| 603 | .order_by(MusehubCommitGraph.generation.desc()) |
| 604 | .limit(1) |
| 605 | ) |
| 606 | want_tip_snap_id = _requery.scalar_one_or_none() |
| 607 | logger.error( |
| 608 | "[MWP1] fetch-side guard: want_tip_snap_id after repair=%s", |
| 609 | want_tip_snap_id[:20] if want_tip_snap_id else "NONE", |
| 610 | ) |
| 611 | |
| 612 | if want_tip_snap_id: |
| 613 | wt_blob_q = await session.execute( |
| 614 | select(MusehubSnapshot.manifest_blob, MusehubSnapshot.entry_count) |
| 615 | .where(MusehubSnapshot.snapshot_id == want_tip_snap_id) |
| 616 | ) |
| 617 | wt_row = wt_blob_q.one_or_none() |
| 618 | wt_blob = wt_row[0] if wt_row else None |
| 619 | wt_entry_count_db = wt_row[1] if wt_row else None |
| 620 | if wt_blob: |
| 621 | wt_manifest = _msgpack_local.unpackb(wt_blob, raw=False) |
| 622 | wt_entry_count_blob = len(wt_manifest) |
| 623 | else: |
| 624 | wt_entry_count_blob = 0 |
| 625 | # Use the snap_map manifest (validated/reconstructed via _snap_row_to_wire_s3) instead |
| 626 | # of raw manifest_blob to populate all_oids. manifest_blob may have null OIDs for files |
| 627 | # pushed after the snapshot was indexed, causing those blobs to be silently omitted from |
| 628 | # the mpack. snap_map['manifest'] is always complete — rebuilt from delta chain if needed. |
| 629 | _tip_snap_entry = snap_map.get(want_tip_snap_id) |
| 630 | if _tip_snap_entry: |
| 631 | all_oids.update(v for v in (_tip_snap_entry.get("manifest") or {}).values() if v) |
| 632 | # [BLOB-DEBUG] Log discrepancy between manifest_blob and snap_map to confirm the fix. |
| 633 | # entry_count_blob vs snap_map_manifest_size should now match; all_oids should equal |
| 634 | # snap_map_manifest_size (minus any genuinely null entries). |
| 635 | logger.warning( |
| 636 | "[BLOB-DEBUG] want_tip_snap=%s manifest_blob=%s " |
| 637 | "entry_count_db=%s entry_count_blob=%d all_oids=%d " |
| 638 | "snap_map_has_tip=%s snap_map_manifest_size=%d", |
| 639 | want_tip_snap_id[:20] if want_tip_snap_id else "NONE", |
| 640 | "present" if wt_blob else "ABSENT", |
| 641 | wt_entry_count_db, |
| 642 | wt_entry_count_blob, |
| 643 | len(all_oids), |
| 644 | want_tip_snap_id in snap_map, |
| 645 | len((snap_map.get(want_tip_snap_id) or {}).get("manifest") or {}), |
| 646 | ) |
| 647 | logger.info("[wire_fetch_mpack] step=2 want_tip manifest all_oids=%d wt_blob_present=%s t=%.1fms", |
| 648 | len(all_oids), wt_blob is not None, _ms()) |
| 649 | else: |
| 650 | logger.warning( |
| 651 | "[wire_fetch_mpack] step=2 WARN want_tip_snap_id=None — CommitGraph missing tip " |
| 652 | "needed_cids=%s commit_rows_snap_ids=%s", |
| 653 | [cid[:16] for cid in list(needed_rows.keys())[:5]], |
| 654 | [sid[:16] for sid in _commit_row_snap_ids[:5]], |
| 655 | ) |
| 656 | |
| 657 | # musehub#113 fix: the block above only ever consults ONE snapshot — |
| 658 | # whichever commit has the single globally-highest generation across ALL |
| 659 | # walked commits (`_needed_cids`, which includes ancestors, not just the |
| 660 | # requested tips). That is correct only when `want` contains a single |
| 661 | # tip. A `want` set spanning multiple branch tips — which every real |
| 662 | # clone/fetch request does, since the client always requests every known |
| 663 | # branch tip regardless of `--branch` — needs the UNION of every |
| 664 | # requested tip's own manifest, not just one. A tie at the same |
| 665 | # generation (two sibling branches cut from the same base) picks one |
| 666 | # arbitrarily; a genuine depth difference picks the deeper one |
| 667 | # deterministically — either way every other tip's unique blobs were |
| 668 | # silently absent from the response. Resolve each want-tip's own |
| 669 | # snapshot from its authoritative `MusehubCommit` row (`commit_rows`, |
| 670 | # never from the generation-ranked pick above) so ties and depth |
| 671 | # differences can no longer drop content. |
| 672 | _pre_union_oids = len(all_oids) |
| 673 | for _want_cid in want: |
| 674 | _want_commit_row = commit_rows.get(_want_cid) |
| 675 | if _want_commit_row is None or not _want_commit_row.snapshot_id: |
| 676 | continue |
| 677 | _want_snap_entry = snap_map.get(_want_commit_row.snapshot_id) |
| 678 | if _want_snap_entry: |
| 679 | all_oids.update(v for v in (_want_snap_entry.get("manifest") or {}).values() if v) |
| 680 | logger.info( |
| 681 | "[wire_fetch_mpack] step=2b multi-tip manifest union: want=%d all_oids %d -> %d t=%.1fms", |
| 682 | len(want), _pre_union_oids, len(all_oids), _ms(), |
| 683 | ) |
| 684 | |
| 685 | # musehub#113 fix (mirror of the all_oids union above): the old |
| 686 | # implementation picked a single have-tip's manifest via the same |
| 687 | # generation-ranked query used for all_oids, and read it from the raw |
| 688 | # `manifest_blob` column rather than the safe snap_map reconstruction |
| 689 | # (`_snap_row_to_wire_s3` — the same class of gap the BLOB-DEBUG comment |
| 690 | # above already documented for all_oids: "manifest_blob may have null |
| 691 | # OIDs for files pushed after the snapshot was indexed"). A `have` set |
| 692 | # spanning multiple tips (any client tracking more than one branch) had |
| 693 | # everything but the single winning tip's content silently excluded |
| 694 | # from `have_oids`. Unlike the all_oids bug this cannot drop content — |
| 695 | # `new_oids = all_oids - have_oids` only grows when have_oids is |
| 696 | # undercounted — but it does mean the server redundantly re-sends |
| 697 | # objects the client explicitly reported already having, for every |
| 698 | # push/branch beyond whichever one wins the generation pick. |
| 699 | have_oids: set[str] = set() |
| 700 | if have_set: |
| 701 | have_commit_rows_q = await session.execute( |
| 702 | select(MusehubCommit).where(MusehubCommit.commit_id.in_(list(have_set))) |
| 703 | ) |
| 704 | have_commit_rows = {r.commit_id: r for r in have_commit_rows_q.scalars().all()} |
| 705 | have_snap_ids = {r.snapshot_id for r in have_commit_rows.values() if r.snapshot_id} |
| 706 | if have_snap_ids: |
| 707 | have_snaps_q = await session.execute( |
| 708 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(list(have_snap_ids))) |
| 709 | ) |
| 710 | for _have_snap in have_snaps_q.scalars().all(): |
| 711 | _have_snap_entry = await _snap_row_to_wire_s3(_have_snap, backend, session=session) |
| 712 | have_oids.update(v for v in (_have_snap_entry.get("manifest") or {}).values() if v) |
| 713 | |
| 714 | new_oids = all_oids - have_oids |
| 715 | logger.info( |
| 716 | "[wire_fetch_mpack] step=2 done snap_map=%d all_oids=%d have_oids=%d new_oids=%d t=%.1fms", |
| 717 | len(snap_map), len(all_oids), len(have_oids), len(new_oids), _ms(), |
| 718 | ) |
| 719 | |
| 720 | if new_oids: |
| 721 | indexed_q = await session.execute( |
| 722 | select(MusehubMPackIndex.entity_id) |
| 723 | .where(MusehubMPackIndex.entity_id.in_(list(new_oids))) |
| 724 | .where(MusehubMPackIndex.entity_type == "object") |
| 725 | ) |
| 726 | indexed_oids = {row[0] for row in indexed_q} |
| 727 | missing = new_oids - indexed_oids |
| 728 | if missing: |
| 729 | logger.warning( |
| 730 | "[wire_fetch_mpack] step=3 NOT INDEXED %d/%d objects — raising FetchNotIndexedError t=%.1fms", |
| 731 | len(missing), len(new_oids), _ms(), |
| 732 | ) |
| 733 | raise FetchNotIndexedError(len(missing)) |
| 734 | logger.info("[wire_fetch_mpack] step=3 index coverage OK oids=%d t=%.1fms", len(new_oids), _ms()) |
| 735 | |
| 736 | cache_hits: dict[str, bytes] = {} |
| 737 | if new_oids: |
| 738 | _CACHE_CHUNK = 10000 |
| 739 | _new_oid_list = list(new_oids) |
| 740 | for _ci in range(0, len(_new_oid_list), _CACHE_CHUNK): |
| 741 | _chunk = _new_oid_list[_ci : _ci + _CACHE_CHUNK] |
| 742 | _cache_q = await session.execute( |
| 743 | select(MusehubObject.object_id, MusehubObject.content_cache) |
| 744 | .where(MusehubObject.object_id.in_(_chunk)) |
| 745 | .where(MusehubObject.content_cache.isnot(None)) |
| 746 | ) |
| 747 | for _oid, _cached in _cache_q: |
| 748 | if _cached: |
| 749 | cache_hits[_oid] = bytes(_cached) |
| 750 | |
| 751 | cache_miss_oids = [oid for oid in new_oids if oid not in cache_hits] |
| 752 | |
| 753 | oid_to_mpack: dict[str, str] = {} |
| 754 | if cache_miss_oids: |
| 755 | _MIDX_CHUNK = 10000 |
| 756 | for _ci in range(0, len(cache_miss_oids), _MIDX_CHUNK): |
| 757 | _chunk = cache_miss_oids[_ci : _ci + _MIDX_CHUNK] |
| 758 | _midx_q = await session.execute( |
| 759 | select(MusehubMPackIndex.entity_id, MusehubMPackIndex.mpack_id) |
| 760 | .where(MusehubMPackIndex.entity_id.in_(_chunk)) |
| 761 | .where(MusehubMPackIndex.entity_type == "object") |
| 762 | ) |
| 763 | for _oid, _mid in _midx_q: |
| 764 | oid_to_mpack[_oid] = _mid |
| 765 | |
| 766 | mpack_to_oids: dict[str, list[str]] = {} |
| 767 | no_mpack_oids: list[str] = [] |
| 768 | for oid in cache_miss_oids: |
| 769 | mid = oid_to_mpack.get(oid) |
| 770 | if mid: |
| 771 | mpack_to_oids.setdefault(mid, []).append(oid) |
| 772 | else: |
| 773 | no_mpack_oids.append(oid) |
| 774 | |
| 775 | mpack_hits: dict[str, bytes] = {} |
| 776 | mpack_miss_oids: list[str] = [] |
| 777 | _sem_mpack = asyncio.Semaphore(8) |
| 778 | |
| 779 | async def _extract_from_mpack(mpack_id: str, oids: list[str]) -> None: |
| 780 | async with _sem_mpack: |
| 781 | raw = await backend.get_mpack(mpack_id) |
| 782 | if raw is None: |
| 783 | mpack_miss_oids.extend(oids) |
| 784 | return |
| 785 | import zstandard as _zstd_phase1 |
| 786 | _dctx_phase1 = _zstd_phase1.ZstdDecompressor() |
| 787 | try: |
| 788 | if raw[:4] == b"MUSE": |
| 789 | from muse.core.mpack import parse_wire_mpack as _parse_wire_fetch |
| 790 | payload = _parse_wire_fetch(raw) |
| 791 | else: |
| 792 | payload = _msgpack_local.unpackb(raw, raw=False) |
| 793 | except Exception as _parse_err: |
| 794 | logger.warning( |
| 795 | "[_extract_from_mpack] failed to parse mpack=%s: %s", |
| 796 | mpack_id[:20], _parse_err, |
| 797 | ) |
| 798 | mpack_miss_oids.extend(oids) |
| 799 | return |
| 800 | obj_index: dict[str, bytes] = {} |
| 801 | for o in payload.get("blobs", []): |
| 802 | oid_entry = o.get("object_id", "") |
| 803 | content = o.get("content") or b"" |
| 804 | if not isinstance(content, bytes): |
| 805 | content = bytes(content) |
| 806 | _ZSTD_MAGIC = b"\x28\xb5\x2f\xfd" |
| 807 | if (o.get("encoding") == "zstd" or content[:4] == _ZSTD_MAGIC) and content: |
| 808 | try: |
| 809 | content = _dctx_phase1.decompress(content) |
| 810 | except Exception as _decomp_err: |
| 811 | logger.warning( |
| 812 | "[_extract_from_mpack] zstd decompress failed oid=%s: %s", |
| 813 | oid_entry[:20], _decomp_err, |
| 814 | ) |
| 815 | continue |
| 816 | obj_index[oid_entry] = content |
| 817 | for oid in oids: |
| 818 | content = obj_index.get(oid) |
| 819 | if content is not None: |
| 820 | mpack_hits[oid] = content |
| 821 | else: |
| 822 | mpack_miss_oids.append(oid) |
| 823 | |
| 824 | if mpack_to_oids: |
| 825 | await asyncio.gather( |
| 826 | *(_extract_from_mpack(mid, oids) for mid, oids in mpack_to_oids.items()) |
| 827 | ) |
| 828 | |
| 829 | legacy_hits: dict[str, bytes] = {} |
| 830 | _fallback_oids = no_mpack_oids + mpack_miss_oids |
| 831 | if _fallback_oids: |
| 832 | _sem_legacy = asyncio.Semaphore(50) |
| 833 | |
| 834 | async def _get_legacy(oid: str) -> None: |
| 835 | async with _sem_legacy: |
| 836 | data = await backend.get(oid) |
| 837 | if data: |
| 838 | legacy_hits[oid] = data |
| 839 | |
| 840 | await asyncio.gather(*(_get_legacy(oid) for oid in _fallback_oids)) |
| 841 | |
| 842 | _all_blob_bytes: dict[str, bytes] = {**legacy_hits, **mpack_hits, **cache_hits} |
| 843 | blob_pairs = [(oid, _all_blob_bytes[oid]) for oid in new_oids if oid in _all_blob_bytes] |
| 844 | logger.info( |
| 845 | "[wire_fetch_mpack] step=4 fetched %d blobs (cache=%d mpack=%d legacy=%d) t=%.1fms", |
| 846 | len(blob_pairs), len(cache_hits), len(mpack_hits), len(legacy_hits), _ms(), |
| 847 | ) |
| 848 | |
| 849 | wire_commits = [ |
| 850 | (await _commit_to_wire_s3(commit_rows[cid], backend)).model_dump() |
| 851 | for cid in needed_rows.keys() |
| 852 | if cid in commit_rows |
| 853 | ] |
| 854 | wire_snaps = [snap_map[sid] for sid in snap_ids if sid in snap_map] |
| 855 | wire_blobs = [ |
| 856 | {"object_id": oid, "content": data} |
| 857 | for oid, data in blob_pairs |
| 858 | if data |
| 859 | ] |
| 860 | logger.info( |
| 861 | "[wire_fetch_mpack] step=5 assembly: wire_commits=%d wire_snaps=%d wire_blobs=%d " |
| 862 | "snap_ids_total=%d snap_ids_in_map=%d commit_rows=%d t=%.1fms", |
| 863 | len(wire_commits), len(wire_snaps), len(wire_blobs), |
| 864 | len(snap_ids), sum(1 for sid in snap_ids if sid in snap_map), |
| 865 | len(commit_rows), _ms(), |
| 866 | ) |
| 867 | |
| 868 | from muse.core.mpack import build_wire_mpack as _build_wire_mpack |
| 869 | _head_commit_id = want[0] if want else "" |
| 870 | mpack_bytes = _build_wire_mpack( |
| 871 | { |
| 872 | "commits": wire_commits, |
| 873 | "snapshots": wire_snaps, |
| 874 | "blobs": wire_blobs, |
| 875 | "tags": [], |
| 876 | }, |
| 877 | meta={"repo_id": repo_id, "head_commit_id": _head_commit_id}, |
| 878 | ) |
| 879 | mpack_id = blob_id(mpack_bytes) |
| 880 | |
| 881 | n_commits = len(wire_commits) |
| 882 | n_blobs = len(wire_blobs) |
| 883 | logger.info( |
| 884 | "[wire_fetch_mpack] step=5 assembled commits=%d snapshots=%d blobs=%d bytes=%d t=%.1fms", |
| 885 | n_commits, len(wire_snaps), n_blobs, len(mpack_bytes), _ms(), |
| 886 | ) |
| 887 | |
| 888 | await backend.put_mpack(mpack_id, mpack_bytes) |
| 889 | mpack_url = await backend.presign_mpack_get(mpack_id, ttl_seconds) |
| 890 | logger.info( |
| 891 | "[wire_fetch_mpack] step=6 mpack_id=%s mpack_url=%s t=%.1fms", |
| 892 | mpack_id[:20], mpack_url[:80] if mpack_url else None, _ms(), |
| 893 | ) |
| 894 | logger.info("[wire_fetch_mpack] RETURN commits=%d blobs=%d TOTAL=%.1fms", n_commits, n_blobs, _ms()) |
| 895 | |
| 896 | # FMC_11 — on a fresh-clone miss, write a cache row per tip so the next clone is a hit. |
| 897 | # For multi-tip requests all tips get the same mpack_id so the multi-tip cache |
| 898 | # check (len(cached_tips)==len(want) and single mpack_id) will fire on the next request. |
| 899 | if not have: |
| 900 | from datetime import timedelta as _timedelta |
| 901 | _miss_expires = _utc_now() + _timedelta(days=7) |
| 902 | for _tip in want: |
| 903 | _miss_cache_id = blob_id((repo_id + _tip).encode()).replace("sha256:", "") |
| 904 | await session.execute( |
| 905 | _pg_insert(MusehubFetchMPackCache) |
| 906 | .values( |
| 907 | cache_id=_miss_cache_id, |
| 908 | repo_id=repo_id, |
| 909 | tip_commit_id=_tip, |
| 910 | mpack_id=mpack_id, |
| 911 | created_at=_utc_now(), |
| 912 | expires_at=_miss_expires, |
| 913 | ) |
| 914 | .on_conflict_do_update( |
| 915 | index_elements=["repo_id", "tip_commit_id"], |
| 916 | set_={"mpack_id": mpack_id, "expires_at": _miss_expires}, |
| 917 | ) |
| 918 | ) |
| 919 | |
| 920 | return { |
| 921 | "mpack_url": mpack_url, |
| 922 | "mpack_id": mpack_id, |
| 923 | "commit_count": n_commits, |
| 924 | "blob_count": n_blobs, |
| 925 | } |
| 926 | |
| 927 | async def _check_missing_objects( |
| 928 | session: AsyncSession, |
| 929 | needs_check: set[str], |
| 930 | ) -> set[str]: |
| 931 | if not needs_check: |
| 932 | return set() |
| 933 | from musehub.db.musehub_repo_models import MusehubObject |
| 934 | registered: set[str] = set( |
| 935 | (await session.execute( |
| 936 | select(MusehubObject.object_id).where( |
| 937 | MusehubObject.object_id.in_(list(needs_check)), |
| 938 | MusehubObject.deleted_at.is_(None), |
| 939 | ) |
| 940 | )).scalars().all() |
| 941 | ) |
| 942 | return needs_check - registered |
| 943 | |
| 944 | |
| 945 | class MPackGCResult(TypedDict): |
| 946 | skipped: bool |
| 947 | packs_before: int |
| 948 | packs_after: int |
| 949 | consolidated_key: str |
| 950 | |
| 951 | |
| 952 | async def process_mpack_gc_job(session: AsyncSession, repo_id: str) -> MPackGCResult: |
| 953 | import msgpack as _mp |
| 954 | |
| 955 | _skipped: MPackGCResult = { |
| 956 | "skipped": True, |
| 957 | "packs_before": 0, |
| 958 | "packs_after": 0, |
| 959 | "consolidated_key": "", |
| 960 | } |
| 961 | |
| 962 | repo_oids_q = await session.execute( |
| 963 | select(MusehubObjectRef.object_id) |
| 964 | .where(MusehubObjectRef.repo_id == repo_id) |
| 965 | ) |
| 966 | repo_oid_set = {row[0] for row in repo_oids_q} |
| 967 | mpack_q = await session.execute( |
| 968 | select(MusehubMPackIndex.mpack_id) |
| 969 | .where(MusehubMPackIndex.entity_id.in_(list(repo_oid_set))) |
| 970 | .where(MusehubMPackIndex.entity_type == "object") |
| 971 | .distinct() |
| 972 | ) |
| 973 | mpack_ids = [row[0] for row in mpack_q] |
| 974 | packs_before = len(mpack_ids) |
| 975 | |
| 976 | if packs_before <= 1: |
| 977 | _skipped["packs_before"] = packs_before |
| 978 | if mpack_ids: |
| 979 | _skipped["consolidated_key"] = mpack_ids[0] |
| 980 | return _skipped |
| 981 | |
| 982 | import musehub.storage.backends as _backends_mod |
| 983 | backend = _backends_mod.get_backend() |
| 984 | |
| 985 | merged_objects: dict[str, bytes] = {} |
| 986 | |
| 987 | async def _download(pid: str) -> None: |
| 988 | raw = await backend.get_mpack(pid) |
| 989 | if not raw: |
| 990 | logger.warning("[mpack_gc] mpack not found in storage: %s", pid) |
| 991 | return |
| 992 | if raw[:4] == b"MUSE": |
| 993 | from muse.core.mpack import parse_wire_mpack as _parse_gc |
| 994 | _parsed = _parse_gc(raw) |
| 995 | else: |
| 996 | _parsed = _mp.unpackb(raw, raw=False) |
| 997 | for obj in _parsed.get("blobs", []): |
| 998 | oid = obj.get("object_id", "") |
| 999 | content = obj.get("content", b"") |
| 1000 | if oid and oid not in merged_objects: |
| 1001 | merged_objects[oid] = content |
| 1002 | |
| 1003 | await asyncio.gather(*(_download(pid) for pid in mpack_ids)) |
| 1004 | |
| 1005 | from muse.core.mpack import build_wire_mpack as _build_gc_mpack |
| 1006 | consolidated_bytes = _build_gc_mpack({ |
| 1007 | "commits": [], |
| 1008 | "snapshots": [], |
| 1009 | "blobs": [ |
| 1010 | {"object_id": oid, "content": merged_objects[oid]} |
| 1011 | for oid in sorted(merged_objects) |
| 1012 | ], |
| 1013 | "tags": [], |
| 1014 | }) |
| 1015 | consolidated_key = "sha256:" + hashlib.sha256(consolidated_bytes).hexdigest() |
| 1016 | |
| 1017 | await backend.put_mpack(consolidated_key, consolidated_bytes) |
| 1018 | |
| 1019 | old_mpack_ids = [p for p in mpack_ids if p != consolidated_key] |
| 1020 | if old_mpack_ids: |
| 1021 | from sqlalchemy import delete as sa_delete |
| 1022 | await session.execute( |
| 1023 | sa_delete(MusehubMPackIndex) |
| 1024 | .where(MusehubMPackIndex.mpack_id.in_(old_mpack_ids)) |
| 1025 | .where(MusehubMPackIndex.entity_type == "object") |
| 1026 | ) |
| 1027 | _gc_now = datetime.now(timezone.utc) |
| 1028 | new_rows = [ |
| 1029 | { |
| 1030 | "entity_id": oid, |
| 1031 | "mpack_id": consolidated_key, |
| 1032 | "entity_type": "object", |
| 1033 | "created_at": _gc_now, |
| 1034 | } |
| 1035 | for oid in merged_objects |
| 1036 | ] |
| 1037 | if new_rows: |
| 1038 | _GC_MIDX_CHUNK = 5000 |
| 1039 | for _gmi in range(0, len(new_rows), _GC_MIDX_CHUNK): |
| 1040 | await session.execute( |
| 1041 | _pg_insert(MusehubMPackIndex) |
| 1042 | .values(new_rows[_gmi : _gmi + _GC_MIDX_CHUNK]) |
| 1043 | .on_conflict_do_nothing(index_elements=["entity_id", "mpack_id"]) |
| 1044 | ) |
| 1045 | |
| 1046 | logger.info( |
| 1047 | "[mpack_gc] repo=%s consolidated %d mpacks → 1 (objects=%d key=%s)", |
| 1048 | repo_id, packs_before, len(merged_objects), consolidated_key, |
| 1049 | ) |
| 1050 | |
| 1051 | return { |
| 1052 | "skipped": False, |
| 1053 | "packs_before": packs_before, |
| 1054 | "packs_after": 1, |
| 1055 | "consolidated_key": consolidated_key, |
| 1056 | } |
| 1057 | |
| 1058 | |
| 1059 | class FetchResult(TypedDict): |
| 1060 | mpack_id: str |
| 1061 | mpack_url: str | None |
| 1062 | commit_count: int |
| 1063 | blob_count: int |
| 1064 | |
| 1065 | |
| 1066 | class FetchMPackPrebuildResult(TypedDict): |
| 1067 | tips_requested: int |
| 1068 | tips_built: int |
| 1069 | tips_skipped: int |
| 1070 | elapsed_ms: float |
| 1071 | |
| 1072 | |
| 1073 | async def process_fetch_mpack_prebuild_job( |
| 1074 | session: AsyncSession, |
| 1075 | job_id: str, |
| 1076 | ) -> FetchMPackPrebuildResult: |
| 1077 | """Build and cache a fetch mpack for every current branch tip. |
| 1078 | |
| 1079 | Called by the background worker after every push. Reads branch tips from |
| 1080 | ``MusehubBranch`` at run time (authoritative — not from the payload) so the |
| 1081 | job is self-coalescing: any number of pushes deduped into one pending job are |
| 1082 | all covered because we read live state here. ``payload["tip_commit_ids"]`` |
| 1083 | is retained only for observability and is never used as the source of truth. |
| 1084 | |
| 1085 | For each live tip, checks whether a fresh cache entry already exists in |
| 1086 | ``musehub_fetch_mpack_cache``; skips tips that are cached and builds the |
| 1087 | rest in one combined call to ``wire_fetch_mpack``. The returned mpack_id is |
| 1088 | written (or upserted) for every live tip so the multi-tip clone cache-hit |
| 1089 | check (``len(mpack_ids)==1``) fires on the next clone. |
| 1090 | """ |
| 1091 | from datetime import timedelta |
| 1092 | |
| 1093 | from musehub.db.musehub_jobs_models import MusehubBackgroundJob |
| 1094 | from sqlalchemy.dialects.postgresql import insert as _upsert |
| 1095 | |
| 1096 | _t0 = _time_module.monotonic() |
| 1097 | |
| 1098 | def _ms() -> float: |
| 1099 | return (_time_module.monotonic() - _t0) * 1000 |
| 1100 | |
| 1101 | job_row = (await session.execute( |
| 1102 | select(MusehubBackgroundJob).where(MusehubBackgroundJob.job_id == job_id) |
| 1103 | )).scalar_one_or_none() |
| 1104 | if job_row is None: |
| 1105 | raise ValueError(f"fetch.mpack.prebuild job not found: {job_id}") |
| 1106 | |
| 1107 | repo_id: str = job_row.repo_id |
| 1108 | payload = job_row.payload or {} |
| 1109 | |
| 1110 | # Re-read branch tips from the DB at run time — authoritative, not the |
| 1111 | # captured payload. This makes the job self-coalescing: any number of |
| 1112 | # pushes deduped into one pending job are all covered because we read |
| 1113 | # live state here rather than whatever was current at enqueue time. |
| 1114 | branch_tips_q = await session.execute( |
| 1115 | select(MusehubBranch.head_commit_id) |
| 1116 | .where(MusehubBranch.repo_id == repo_id) |
| 1117 | .where(MusehubBranch.head_commit_id.isnot(None)) |
| 1118 | ) |
| 1119 | tip_commit_ids: list[str] = [str(row[0]) for row in branch_tips_q] |
| 1120 | |
| 1121 | # payload["tip_commit_ids"] is retained for observability only — log if stale. |
| 1122 | _payload_tips = [str(t) for t in (payload.get("tip_commit_ids") or [])] |
| 1123 | if set(_payload_tips) != set(tip_commit_ids): |
| 1124 | logger.info( |
| 1125 | "[fetch.mpack.prebuild] job=%s payload tips=%d differ from live tips=%d " |
| 1126 | "(coalesced pushes) — using live tips", |
| 1127 | job_id[:16], len(_payload_tips), len(tip_commit_ids), |
| 1128 | ) |
| 1129 | |
| 1130 | if not tip_commit_ids: |
| 1131 | logger.warning("[fetch.mpack.prebuild] job=%s repo=%s no branch tips in DB", job_id[:16], repo_id) |
| 1132 | return {"tips_requested": 0, "tips_built": 0, "tips_skipped": 0, "elapsed_ms": 0.0} |
| 1133 | |
| 1134 | # Find which tips already have a fresh (non-expired) cache entry. |
| 1135 | now = _utc_now() |
| 1136 | cached_q = await session.execute( |
| 1137 | select(MusehubFetchMPackCache.tip_commit_id, MusehubFetchMPackCache.mpack_id) |
| 1138 | .where(MusehubFetchMPackCache.repo_id == repo_id) |
| 1139 | .where(MusehubFetchMPackCache.tip_commit_id.in_(tip_commit_ids)) |
| 1140 | .where(MusehubFetchMPackCache.expires_at > now) |
| 1141 | ) |
| 1142 | cached_tip_to_mpack: dict[str, str] = {row[0]: row[1] for row in cached_q} |
| 1143 | cached_mpack_ids = set(cached_tip_to_mpack.values()) |
| 1144 | |
| 1145 | # Skip the build only when ALL tips are cached AND they all share one mpack_id. |
| 1146 | # If mpack_ids differ (e.g. main cached from an older build, dev just pushed), |
| 1147 | # we must rebuild with ALL tips so every tip points to the same combined mpack — |
| 1148 | # the clone cache-hit check requires len(mpack_ids) == 1 across all want tips. |
| 1149 | all_tips_same_mpack = ( |
| 1150 | len(cached_tip_to_mpack) == len(tip_commit_ids) and len(cached_mpack_ids) == 1 |
| 1151 | ) |
| 1152 | tips_skipped = len(cached_tip_to_mpack) if all_tips_same_mpack else 0 |
| 1153 | tips_to_build = [] if all_tips_same_mpack else tip_commit_ids |
| 1154 | |
| 1155 | logger.warning( |
| 1156 | "[fetch.mpack.prebuild] job=%s repo=%s tips=%d cached=%d mpack_ids=%d to_build=%d t=%.1fms", |
| 1157 | job_id[:16], repo_id, len(tip_commit_ids), len(cached_tip_to_mpack), |
| 1158 | len(cached_mpack_ids), len(tips_to_build), _ms(), |
| 1159 | ) |
| 1160 | |
| 1161 | tips_built = 0 |
| 1162 | if tips_to_build: |
| 1163 | _build_t0 = _time_module.monotonic() |
| 1164 | try: |
| 1165 | # Build ONE combined mpack covering all uncached tips together. |
| 1166 | # wire_fetch_mpack writes a cache row per tip (all pointing to the same |
| 1167 | # mpack_id) so the multi-tip cache check fires on the next clone. |
| 1168 | result = await wire_fetch_mpack(session, repo_id, want=tips_to_build, have=[], force_build=True) |
| 1169 | mpack_id = result.get("mpack_id") or "" |
| 1170 | if not mpack_id: |
| 1171 | logger.warning( |
| 1172 | "[fetch.mpack.prebuild] combined build produced no mpack_id — skipping cache write", |
| 1173 | ) |
| 1174 | else: |
| 1175 | tips_built = len(tips_to_build) |
| 1176 | _build_ms = (_time_module.monotonic() - _build_t0) * 1000 |
| 1177 | logger.warning( |
| 1178 | "[fetch.mpack.prebuild] built tips=%d mpack_id=%s t=%.1fms", |
| 1179 | tips_built, mpack_id[:20], _build_ms, |
| 1180 | ) |
| 1181 | # Explicitly upsert ALL tip cache entries to the new combined mpack_id. |
| 1182 | # wire_fetch_mpack (FMC_11) already upserts the tips it was given, but |
| 1183 | # any tips that were previously cached with a different mpack_id need to |
| 1184 | # be updated here so the clone cache-hit check (len(mpack_ids)==1) passes. |
| 1185 | _expires = _utc_now() + timedelta(days=7) |
| 1186 | for _tip in tip_commit_ids: |
| 1187 | _cache_id = blob_id((repo_id + _tip).encode()).replace("sha256:", "") |
| 1188 | await session.execute( |
| 1189 | _pg_insert(MusehubFetchMPackCache) |
| 1190 | .values( |
| 1191 | cache_id=_cache_id, |
| 1192 | repo_id=repo_id, |
| 1193 | tip_commit_id=_tip, |
| 1194 | mpack_id=mpack_id, |
| 1195 | created_at=_utc_now(), |
| 1196 | expires_at=_expires, |
| 1197 | ) |
| 1198 | .on_conflict_do_update( |
| 1199 | index_elements=["repo_id", "tip_commit_id"], |
| 1200 | set_={"mpack_id": mpack_id, "expires_at": _expires}, |
| 1201 | ) |
| 1202 | ) |
| 1203 | except FetchNotIndexedError: |
| 1204 | logger.warning( |
| 1205 | "[fetch.mpack.prebuild] index gap detected — re-raising for fail_job retry", |
| 1206 | ) |
| 1207 | raise |
| 1208 | except Exception as exc: |
| 1209 | logger.error( |
| 1210 | "[fetch.mpack.prebuild] FAILED: %s", exc, exc_info=True, |
| 1211 | ) |
| 1212 | |
| 1213 | total_ms = _ms() |
| 1214 | logger.warning( |
| 1215 | "[fetch.mpack.prebuild] DONE job=%s repo=%s tips=%d built=%d skipped=%d TOTAL=%.1fms", |
| 1216 | job_id[:16], repo_id, len(tip_commit_ids), tips_built, tips_skipped, total_ms, |
| 1217 | ) |
| 1218 | return { |
| 1219 | "tips_requested": len(tip_commit_ids), |
| 1220 | "tips_built": tips_built, |
| 1221 | "tips_skipped": tips_skipped, |
| 1222 | "elapsed_ms": total_ms, |
| 1223 | } |
| 1224 | |
| 1225 | |
| 1226 | class FetchCommitNotFound(Exception): |
| 1227 | """A want commit_id does not exist in musehub_commits.""" |
| 1228 | |
| 1229 | |
| 1230 | class FetchNotReady(Exception): |
| 1231 | """Needed objects are absent from musehub_mpack_index — client must retry.""" |
| 1232 | |
| 1233 | |
| 1234 | async def wire_fetch( |
| 1235 | session: AsyncSession, |
| 1236 | repo_id: str, |
| 1237 | want: list[str], |
| 1238 | have: list[str], |
| 1239 | ttl_seconds: int = 3600, |
| 1240 | ) -> FetchResult: |
| 1241 | import msgpack as _mp |
| 1242 | |
| 1243 | _empty: FetchResult = {"mpack_id": "", "mpack_url": None, "commit_count": 0, "blob_count": 0} |
| 1244 | |
| 1245 | for entry in want: |
| 1246 | if not (isinstance(entry, str) and entry.startswith("sha256:")): |
| 1247 | raise MPackValidationError(f"want entry is not a sha256: id: {entry!r}") |
| 1248 | |
| 1249 | for entry in have: |
| 1250 | if not (isinstance(entry, str) and entry.startswith("sha256:")): |
| 1251 | raise MPackValidationError(f"have entry is not a sha256: id: {entry!r}") |
| 1252 | |
| 1253 | if want: |
| 1254 | existing_q = await session.execute( |
| 1255 | select(MusehubCommit.commit_id).where(MusehubCommit.commit_id.in_(want)) |
| 1256 | ) |
| 1257 | found = {row[0] for row in existing_q} |
| 1258 | missing_want = [cid for cid in want if cid not in found] |
| 1259 | if missing_want: |
| 1260 | raise FetchCommitNotFound(missing_want[0]) |
| 1261 | |
| 1262 | have_set = set(have) |
| 1263 | needed = await _walk_commit_delta(session, want, have_set) |
| 1264 | if not needed: |
| 1265 | return _empty |
| 1266 | |
| 1267 | cids = list(needed.keys()) |
| 1268 | commit_rows: dict[str, MusehubCommit] = {} |
| 1269 | for i in range(0, len(cids), 2000): |
| 1270 | q = await session.execute( |
| 1271 | select(MusehubCommit).where(MusehubCommit.commit_id.in_(cids[i:i + 2000])) |
| 1272 | ) |
| 1273 | for row in q.scalars(): |
| 1274 | commit_rows[row.commit_id] = row |
| 1275 | |
| 1276 | want_snap_ids = {r.snapshot_id for r in needed.values() if r.snapshot_id} |
| 1277 | have_snap_ids: set[str] = set() |
| 1278 | if have_set: |
| 1279 | have_commits_q = await session.execute( |
| 1280 | select(MusehubCommit.snapshot_id).where(MusehubCommit.commit_id.in_(list(have_set))) |
| 1281 | ) |
| 1282 | have_snap_ids = {row[0] for row in have_commits_q if row[0]} |
| 1283 | |
| 1284 | new_snap_ids = want_snap_ids - have_snap_ids |
| 1285 | snap_map: dict[str, dict] = {} |
| 1286 | new_oids: set[str] = set() |
| 1287 | backend = get_backend() |
| 1288 | if new_snap_ids: |
| 1289 | snaps_q = await session.execute( |
| 1290 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(list(new_snap_ids))) |
| 1291 | ) |
| 1292 | for snap in snaps_q.scalars(): |
| 1293 | manifest = ( |
| 1294 | _mp.unpackb(snap.manifest_blob, raw=False) |
| 1295 | if snap.manifest_blob |
| 1296 | else await _reconstruct_manifest(session, snap.snapshot_id) |
| 1297 | ) |
| 1298 | new_oids.update(v for v in manifest.values() if v) |
| 1299 | snap_map[snap.snapshot_id] = await _snap_row_to_wire_s3(snap, backend, session=session) |
| 1300 | |
| 1301 | if have_snap_ids: |
| 1302 | have_snaps_q = await session.execute( |
| 1303 | select(MusehubSnapshot).where(MusehubSnapshot.snapshot_id.in_(list(have_snap_ids))) |
| 1304 | ) |
| 1305 | for snap in have_snaps_q.scalars(): |
| 1306 | m = ( |
| 1307 | _mp.unpackb(snap.manifest_blob, raw=False) |
| 1308 | if snap.manifest_blob |
| 1309 | else await _reconstruct_manifest(session, snap.snapshot_id) |
| 1310 | ) |
| 1311 | new_oids -= {v for v in m.values() if v} |
| 1312 | |
| 1313 | if new_oids: |
| 1314 | idx_q = await session.execute( |
| 1315 | select(MusehubMPackIndex.entity_id).where( |
| 1316 | MusehubMPackIndex.entity_id.in_(list(new_oids)), |
| 1317 | MusehubMPackIndex.entity_type == "object", |
| 1318 | ) |
| 1319 | ) |
| 1320 | indexed = {row[0] for row in idx_q} |
| 1321 | unindexed = new_oids - indexed |
| 1322 | if unindexed: |
| 1323 | raise FetchNotReady(f"{len(unindexed)} object(s) not yet in mpack_index") |
| 1324 | |
| 1325 | objects: list[dict] = [] |
| 1326 | if new_oids: |
| 1327 | obj_q = await session.execute( |
| 1328 | select(MusehubObject).where(MusehubObject.object_id.in_(list(new_oids))) |
| 1329 | ) |
| 1330 | for obj_row in obj_q.scalars(): |
| 1331 | if obj_row.content_cache is not None: |
| 1332 | content = obj_row.content_cache |
| 1333 | else: |
| 1334 | content = await backend.get(obj_row.object_id) or b"" |
| 1335 | objects.append({"object_id": obj_row.object_id, "content": content}) |
| 1336 | |
| 1337 | wire_commits = [_to_wire_commit(r).model_dump() for r in commit_rows.values()] |
| 1338 | from muse.core.mpack import build_wire_mpack as _build_fetch_mpack |
| 1339 | wire_bytes = _build_fetch_mpack({ |
| 1340 | "commits": wire_commits, |
| 1341 | "snapshots": list(snap_map.values()), |
| 1342 | "blobs": objects, |
| 1343 | "tags": [], |
| 1344 | }) |
| 1345 | mpack_id = blob_id(wire_bytes) |
| 1346 | |
| 1347 | await backend.put_mpack(mpack_id, wire_bytes) |
| 1348 | mpack_url = await backend.presign_mpack_get(mpack_id, ttl_seconds) |
| 1349 | |
| 1350 | return { |
| 1351 | "mpack_id": mpack_id, |
| 1352 | "mpack_url": mpack_url, |
| 1353 | "commit_count": len(commit_rows), |
| 1354 | "blob_count": len(objects), |
| 1355 | } |
File History
14 commits
sha256:1c5b7a0aba79472f4b10e52326dc010bdab1a498c9e195593d0707860478a034
feat(#92): phase 3 — cache lookup in wire_fetch_mpack (FMC_…
Sonnet 4.6
patch
34 days ago
sha256:0e447fc3f6b7887d5d9e86b557c659ef7d0b05e2e09ddb0cb551ada240e48a51
feat(phase2): fetch.mpack.prebuild job handler + worker dis…
Sonnet 4.6
patch
34 days ago
sha256:f4f731efef3f1cef7eeea99f8d5f49159110ec5c48137d9273b79e60a5aadf35
fix: fetch/presign tip-only blob coverage + timing instrume…
Sonnet 4.6
patch
34 days ago
sha256:9acbc3291c00dc6dbad9685f88df517c29f130ac0238283278c1f2b46e6bc10b
fix: send snapshots in full-manifest format; handle delta-o…
Sonnet 4.6
patch
34 days ago
sha256:3f188050991b4e062a2dc0f2f99ee17cb85b7723dbeaedf5f766180582110d7b
fix: reconstruct manifest for snapshots with null manifest_blob
Sonnet 4.6
patch
38 days ago
sha256:e1171ab8958a8dc1f3a25fce5b7eedda123042373bc977a377c358ea429ef43e
diag: add per-stage FETCH-DIAG logging to blob extraction path
Sonnet 4.6
patch
38 days ago
sha256:9dbd6015bfeb02e1832f9bdbe80ed58ee9138566f0f317c5557bbd571d6946ca
refactor: remove dual fetch paths in _walk_commit_delta and…
Sonnet 4.6
patch
38 days ago
sha256:a68b91a9b1f1705e66730a0c328710192bc5e921c829892f0f9a11678341e148
fix: wire_fetch_mpack falls back to MusehubCommit.snapshot_…
Sonnet 4.6
patch
42 days ago
sha256:ad616c6113d6c00f4efed6b2993734ca46d3e9b5bee25addd4ce8ae6b57136e5
chore: bump version to 0.2.0rc11; typing audit clean + all …
Sonnet 4.6
minor
⚠
47 days ago
sha256:e35be48854f182f7bf02dc6cc0f58d22b3de3a544b570c0e2bc53f9e75a3607d
feat(phase6): remove delta_blob path, dead imports, add fal…
Sonnet 4.6
minor
⚠
48 days ago
sha256:9d0ffea20e344782dc6a969d4a240b3d7c96392b5dc03bbd9421890cb78c6f19
feat(phase4): wire fetch serves commits and snapshots from …
Sonnet 4.6
patch
48 days ago
sha256:39e9c4e6f2134da0732e6983268a218178973936f8d7ca03c91f2b5ad42133c8
fix: use read_object_bytes in blob viewer; add zstd magic d…
Sonnet 4.6
patch
48 days ago
sha256:ab9eda7b6479e1c35cdba9a54f62bacd2825de8faacec3ba67a9a8ef45914b7d
fix: migration and wire protocol alignment
Sonnet 4.6
minor
⚠
49 days ago
sha256:ef10830ce231e0a20efcb0e2586cb879471247e916616e6fdd0d51df459e2595
fix: typing audit — 0 violations, 0 untyped defs across all…
Sonnet 4.6
minor
⚠
49 days ago