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Bug in parallel cache rebuild protection

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We've implemented parallel cache rebuild protection in 5.2.0-B1 by setting lock before creating new cache. This ensured that all other requests were receiving old cache version or just waiting for a lock to be released.

However I've found a bug in that system too, when multiple visitors, who encountered a missing/outdated cache would set lock in parallel and start rebuild process. This of course would be slightly smaller number of parallel rebuild requests then without protection added in 5.2.0-B1, but still needs to be fixed.

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  • 24 Mar 2012, 08:38 PM

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Alex July 25, 2012 at 10:31 AM

Since 5.2.0 version was released.

Alex March 24, 2012 at 8:41 PM

Fix committed to [b]5.2.x branch/b. Commit Message:

Fixes #0001231: Bug in parallel cache rebuild protection

Alex March 24, 2012 at 8:41 PM

Will test all together later.

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Patches must be submitted through Phabricator.

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http://tracker.in-portal.org/view.php?id=1231

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Created March 24, 2012 at 8:38 PM
Updated December 29, 2024 at 9:06 PM
Resolved July 25, 2012 at 10:31 AM

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