Cron no-agent workdir jobs serialization issue
Cluster 73804 · cron. Data as of
Nothing open on GitHub. Fix merged in #99534 on 31 Aug 2026. Check it covers your case.
The short answer
- Known?
- Yes. 4 related items grouped here, 1 issue already closed.
- Fix event
- A fix was merged to main in PR #99534. Check it covers your case. No release data is tracked.
- Tracker
- The maintainers' tracker marks this
resolved, deciding PR #99534. That is separate from the fix event. - Still open
- Nothing open on GitHub.
These members concern a problem where cron jobs without an agent that use a working directory are run on a single-thread sequential pool, causing unnecessary serialization and potential starvation of other workdir jobs. A fix to run such jobs on a parallel pool instead is proposed or in progress.
Open issues0
Open PRs0
Fixes on record
-
#99534 fix(cron): isolate per-execution working directories (salvage #96573)
files:
cron/scheduler.py,tests/cron/test_cron_failure_summarizer_inactivity.py,tests/cron/test_cron_workdir.py,tests/cron/test_execution_ledger.py,tests/cron/test_oneshot_dispatch_failure_run_claim.py,tests/cron/test_parallel_pool.py,tests/cron/test_scheduler.py,tests/cron/test_scheduler_cron_session_isolation.py,tests/cron/test_script_claim_heartbeat.py,tests/cron/test_terminal_cwd_lock.py,tests/tools/test_terminal_task_cwd.py,tools/environments/base.py,tools/environments/local.py,tools/terminal_tool.py,website/docs/user-guide/features/cron.md,website/i18n/zh-Hans/docusaurus-plugin-content-docs/current/reference/environment-variables.md,website/i18n/zh-Hans/docusaurus-plugin-content-docs/current/user-guide/features/cron.md
2 PRs closed without merging
From the close comments: done elsewhere 1 · partial fix 1
Closed issues · 1
- Closed#73804Cron: no-agent script jobs with a workdir are needlessly serialized on the single-thread sequential pool (silent starvation of other workdir jobs)
How this cluster was grouped
-
Link evidence (
structural links throughout): every member is connected by structural evidence: shared changed files, or a closing/superseded reference. -
Pairwise link density
0.50: the share of item pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36.1.00means every pair is linked.
Pick up a Lab task
Check whether a fix covers the open issues here, with your own agent. Bring back evidence for maintainers.
Open the LabAt a glance
- Subsystem
- cron
- Merged PRs
- #99534
- Closed issues
- 1
- Attempts
- 2 PRs closed without merging
- Fix link checked
- 31 Aug 2026