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ID Category Type Reproducibility Date Submitted Last Update
0001231 [In-Portal CMS] Caching System bug report always 2012-03-24 15:38 2012-07-25 05:31
Reporter alex View Status public  
Assigned To alex
Priority normal Resolution fixed  
Status closed      
Summary 0001231: Bug in parallel cache rebuild protection
Description 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However I've found a bug in that system too, when multiple visitors, who encountered a missing/outdated cache would set lock in parallel and start rebuild process.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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