Monday, 2023-11-13

@dancywmf:matrix.orgHi everyone! I prepared https://review.opendev.org/c/zuul/zuul/+/899425 in Gerrit a while back.  I'm hoping to engage someone here to review it.16:58
@dancywmf:matrix.orgBackground:  Wikimedia Foundation currently uses an old version of Zuul (v2) for CI with Gerrit and Jenkins.   We're in the process of moving to GitLab and upgrading to the latest version of Zuul.  16:59
@jim:acmegating.comdancywmf: hi there! i left some comments on that change.17:16
@dancywmf:matrix.orgThanks! I'll check it out17:21
-@gerrit:opendev.org- James E. Blair https://matrix.to/#/@jim:acmegating.com proposed:22:00
- [zuul/zuul] 900828: Fix flaky deduplication test https://review.opendev.org/c/zuul/zuul/+/900828
- [zuul/zuul] 900829: Restore lingering deduplicated builds https://review.opendev.org/c/zuul/zuul/+/900829
@dancywmf:matrix.orgcorvus: Today I attempted to run the Zuul test suite just to make sure I can get a clean run before making modifications to it.  I set up a fresh Debian 12 VM for it.  It took a while but I eventually got the test suite running (by running 'nox' and/or stestr directly).  After running for quite a long time it hung.  The most recent notable error prior to the hang was "OSError: [Errno 24] Too many open files: '/tmp/tmpahhywq1o/zuul-test/builds/124ce4c890394846bec6376c605a3b6a/trusted/project_0/review.example.com/common-config/.git/logs/refs/remotes'".  I ran `lsof` on the system and found a python proces with all 1024 file descriptors used.  679/1024 of the open fds were pipes (FIFO). 302/1024 were UDP sockets.    Looking around in Gerrit I see that this is appears to be semi-known problem?  23:20

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