Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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N/A
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None
Description
Sporadic test failures were reported where the aio-nr-max limit was exceeded on some buildbot hosts while multiple MTR runs were present.
Example of a failed build (intel-bbw1):
https://buildbot.mariadb.org/#/builders/873/builds/2542
2025-07-20 17:36:57 0 [Warning] InnoDB: native AIO failed: falling back to innodb_use_native_aio=OFF
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^ Found warnings in /home/buildbot/amd64-centos-stream10/build/mysql-test/var/6/log/mysqld.3.err |
Looking at the limit for the autogen/amd64 worker hosts, I've identified two potential machines where we should definitely increase the limit.
intel-bbw1 + ro-apexis-bbw3.
cat /proc/sys/fs/aio-max-nr |
------------------------------
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amd-bbw2: 1474560
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us-intel-bbw1: 131072
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hz-bbw2: 2211840
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apexis-bbw3: 131072
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