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Posted to oak-issues@jackrabbit.apache.org by "Julian Reschke (JIRA)" <ji...@apache.org> on 2016/11/10 09:34:00 UTC

[jira] [Updated] (OAK-4950) LIRS cache: improve hit rate

     [ https://issues.apache.org/jira/browse/OAK-4950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Reschke updated OAK-4950:
--------------------------------
    Fix Version/s: 1.6

> LIRS cache: improve hit rate
> ----------------------------
>
>                 Key: OAK-4950
>                 URL: https://issues.apache.org/jira/browse/OAK-4950
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: core
>            Reporter: Thomas Mueller
>            Assignee: Thomas Mueller
>             Fix For: 1.6, 1.5.13
>
>
> As seen in OAK-4936, the hit rate of the LIRS cache can be improved a lot if added entries get hot that were in the non-resident part of the cache. 
> I don't currently see a disadvantage in doing that by default, but will leave this setting configurable (feature flag) so that it's easy to test if we suspect the hit rate gets worse in some other use case.



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