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fix(runtime): make run creation persistence atomic (#3152)

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* fix runtime run creation persistence atomicity

* fix run creation cancellation rollback

* fix run manager test cleanup await

* clarify run creation rollback on cancellation

* document new run persistence rollback boundary

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
This commit is contained in:
rayhpeng
2026-05-23 22:43:34 +08:00
committed by GitHub
parent d0fa37e71d
commit 0fb05825a2
2 changed files with 172 additions and 11 deletions
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backend/packages/harness/deerflow/runtime/runs/manager.py
+50 -11
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@@ -181,6 +181,23 @@ class RunManager:
logger.warning("Failed to persist run %s to store", run_id, exc_info=True)
return False
async def _persist_new_run_to_store(self, record: RunRecord) -> None:
"""Persist a newly created run record to the backing store.
Initial run creation is part of the run visibility boundary: callers
should not observe a run in memory unless its backing store row exists.
Unlike follow-up status/model updates, failures are propagated so the
caller can treat creation as failed. Rollback is the caller's
responsibility after inserting the record into ``_runs``.
"""
if self._store is None:
return
await self._call_store_with_retry(
"put",
record.run_id,
lambda: self._store.put(record.run_id, **self._store_put_payload(record)),
)
async def _persist_to_store(self, record: RunRecord, *, error: str | None = None) -> bool:
"""Best-effort persist run record to backing store."""
return await self._persist_snapshot_to_store(
@@ -321,7 +338,17 @@ class RunManager:
)
async with self._lock:
self._runs[run_id] = record
await self._persist_to_store(record)
persisted = False
try:
await self._persist_new_run_to_store(record)
persisted = True
except Exception:
logger.warning("Failed to persist run %s; rolled back in-memory record", run_id, exc_info=True)
raise
finally:
# Also covers cancellation, which bypasses ``except Exception``.
if not persisted:
self._runs.pop(run_id, None)
logger.info("Run created: run_id=%s thread_id=%s", run_id, thread_id)
return record
@@ -503,16 +530,8 @@ class RunManager:
raise ConflictError(f"Thread {thread_id} already has an active run")
if multitask_strategy in ("interrupt", "rollback") and inflight:
for r in inflight:
r.abort_action = multitask_strategy
r.abort_event.set()
if r.task is not None and not r.task.done():
r.task.cancel()
r.status = RunStatus.interrupted
r.updated_at = now
interrupted_records.append(r)
logger.info(
"Cancelled %d inflight run(s) on thread %s (strategy=%s)",
"Preparing to cancel %d inflight run(s) on thread %s (strategy=%s)",
len(inflight),
thread_id,
multitask_strategy,
@@ -532,10 +551,30 @@ class RunManager:
model_name=model_name,
)
self._runs[run_id] = record
persisted = False
try:
await self._persist_new_run_to_store(record)
persisted = True
except Exception:
logger.warning("Failed to persist run %s; rolled back in-memory record", run_id, exc_info=True)
raise
finally:
# Also covers cancellation, which bypasses ``except Exception``.
if not persisted:
self._runs.pop(run_id, None)
if multitask_strategy in ("interrupt", "rollback") and inflight:
for r in inflight:
r.abort_action = multitask_strategy
r.abort_event.set()
if r.task is not None and not r.task.done():
r.task.cancel()
r.status = RunStatus.interrupted
r.updated_at = now
interrupted_records.append(r)
for interrupted_record in interrupted_records:
await self._persist_status(interrupted_record, RunStatus.interrupted)
await self._persist_to_store(record)
logger.info("Run created: run_id=%s thread_id=%s", run_id, thread_id)
return record