We had a PHP script go 504 on us and the session lock was not released. Please review the first warning in the notes section on session handlers: http://php.net/manual/en/function.session-set-save-handler.php#refsect1-function.session-set-save-handler-notes
The Redis session handler needs to register a shutdown callback so it can always release the lock.
- has a non-specific relationship to
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MDL-54606 Sessions: Add support for Redis as a session_class_handler (take 2)
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- Closed
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- Closed
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MDL-58018 Reduce session lock contention with opt-in READ_ONLY_SESSION
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- Closed
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