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https://issues.apache.org/jira/browse/GEODE-9331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen Nichols updated GEODE-9331:
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Fix Version/s: 1.14.0
1.13.3
1.12.3
> ConnectionTable maintains WeakReference to thread local map for no reason
> -------------------------------------------------------------------------
>
> Key: GEODE-9331
> URL: https://issues.apache.org/jira/browse/GEODE-9331
> Project: Geode
> Issue Type: Improvement
> Components: membership
> Reporter: Darrel Schneider
> Assignee: Darrel Schneider
> Priority: Major
> Labels: GeodeOperationAPI, pull-request-available
> Fix For: 1.12.3, 1.13.3, 1.14.0, 1.15.0
>
>
> Every time a p2p thread owned connection is created it is added to a HashMap
> kept by the thread in a ThreadLocal. A WeakReference referencing that HashMap
> is also added to an ArrayList. But this ArrayList is not actually used for
> anything. It is iterated over in ConnectionTable.close to close any of the
> thread local connections but all of these connections are also in the
> "threadConnectionMap" which is iterated over during close.
> So the ArrayList "threadConnMaps" can be removed with no loss of
> functionality. Getting rid of it will improve performance the first time a
> thread creates a thread owned connection and will reduce the amount of memory
> consumed (the ArrayList will have at least one entry for every thread using
> thread owned connections but it may have more since the WeakReference can be
> slow to be garbage collected).
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