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Posted to issues@sentry.apache.org by "Colin P. McCabe (JIRA)" <ji...@apache.org> on 2016/07/21 19:42:20 UTC

[jira] [Commented] (SENTRY-1414) Evict datanucleus second-level cache during activation

    [ https://issues.apache.org/jira/browse/SENTRY-1414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15388287#comment-15388287 ] 

Colin P. McCabe commented on SENTRY-1414:
-----------------------------------------

Note that if we enable the datanucleus level 2 cache, we should disable standby reads.  Otherwise, the standby may return cache data which is no longer valid.

> Evict datanucleus second-level cache during activation
> ------------------------------------------------------
>
>                 Key: SENTRY-1414
>                 URL: https://issues.apache.org/jira/browse/SENTRY-1414
>             Project: Sentry
>          Issue Type: Sub-task
>          Components: Hdfs Plugin
>            Reporter: Colin P. McCabe
>             Fix For: sentry-ha-redesign
>
>
> Evict datanucleus second-level cache during activation.  Also we don't need to disable second-level cache
> http://www.datanucleus.org/javadocs/api.jdo/3.2/org/datanucleus/api/jdo/JDODataStoreCache.html



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