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WORKER.md: keep a heartbeat on stdout in build-server jobs - #1414
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Two worker jobs today went silent for over 15 minutes because their output went only to a job-local file; nobody, including the build-server owner, can see inside a running job, so silence couldn't be told apart from a hang. Co-authored-by: alfonso-aft <[email protected]>
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Workers write long job output to a file, which made two jobs today look hung after 15+ minutes of silence. Nobody can see inside a running build-server job, so this asks for a progress line at least once a minute and a time limit per long step that names the step it stopped in. Docs only.
Summary by cubic
Adds a documentation rule requiring build-server jobs to print a heartbeat on stdout at least once a minute. Two jobs today looked hung after 15+ minutes of silence because their output went only to a job-local file, so the new guidance asks for progress lines and per-step time limits that name the step they stopped in. Docs only.
Written for commit d3a344f. Summary will update on new commits.