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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2016/10/26 08:45:59 UTC

[jira] [Created] (OAK-5006) Persistent cache: improve concurrency

Thomas Mueller created OAK-5006:
-----------------------------------

             Summary: Persistent cache: improve concurrency
                 Key: OAK-5006
                 URL: https://issues.apache.org/jira/browse/OAK-5006
             Project: Jackrabbit Oak
          Issue Type: Improvement
            Reporter: Thomas Mueller
            Assignee: Thomas Mueller
             Fix For: 1.6


In some highly concurrent benchmarks (100 threads or so), the persistent cache is sometimes blocked, mainly in the (in-memory) cache. This should be resolved. One problem seems to be fixed in a newer version of the MVStore (the "file system cache"), and the other cache bottleneck should be solved using a config option for the segmentCount.



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