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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2016/11/01 13:27:59 UTC

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

    [ https://issues.apache.org/jira/browse/OAK-5006?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15625434#comment-15625434 ] 

Thomas Mueller commented on OAK-5006:
-------------------------------------

http://svn.apache.org/r1767495 (trunk) upgrade to H2 version 1.4.193

> Persistent cache: improve concurrency
> -------------------------------------
>
>                 Key: OAK-5006
>                 URL: https://issues.apache.org/jira/browse/OAK-5006
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: documentmk
>            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 One problem seems to be fixed in a newer version of the MVStore (the "file system cache"), and the other cache bottleneck should be solved using a config option for the segmentCount.



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