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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (QPID-6734) [Java Broker] [BDB Store] Correctly set cache mode for BDB store to not needlessly store message data
Date Fri, 11 Sep 2015 16:33:45 GMT

     [ https://issues.apache.org/jira/browse/QPID-6734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Keith Wall resolved QPID-6734.
------------------------------
    Resolution: Fixed

Changes look reasonable to me.

> [Java Broker] [BDB Store] Correctly set cache mode for BDB store to not needlessly store
message data
> -----------------------------------------------------------------------------------------------------
>
>                 Key: QPID-6734
>                 URL: https://issues.apache.org/jira/browse/QPID-6734
>             Project: Qpid
>          Issue Type: Improvement
>          Components: Java Broker
>            Reporter: Rob Godfrey
>            Assignee: Rob Godfrey
>             Fix For: qpid-java-6.0
>
>
> Currently the BDB store uses the default cache mode - however this is not the optimal
value given the use that Qpid puts the BDB store to - i.e. that we look to avoid reading from
the store except in the case where messages have been flowed-to-disk.  It is always iappropriate
for the BDB store to cache message data.  By setting the cache mode to EVICT_LN on the Environment
of the store, we can achieve this objetive



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