Minimize scope of expensive lock #30679
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scwhittle
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Co-authored-by: tvalentyn <tvalentyn@users.noreply.github.com>
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* Minimize scope of expensive lock * Build list in lock * Update sdks/python/apache_beam/runners/worker/sdk_worker.py Co-authored-by: tvalentyn <tvalentyn@users.noreply.github.com> * Move comment * Simplify * fmt --------- Co-authored-by: tvalentyn <tvalentyn@users.noreply.github.com>
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We've seen this section hang, eating up the lock when shutdown takes a long time. This should minimize the size of the critical section to a single copy of
self.last_access_times.items()so that it still avoids #27501 (which the lock was introduced for) without hanging too long.Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily:
addresses #123), if applicable. This will automatically add a link to the pull request in the issue. If you would like the issue to automatically close on merging the pull request, commentfixes #<ISSUE NUMBER>instead.CHANGES.mdwith noteworthy changes.See the Contributor Guide for more tips on how to make review process smoother.
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