[jira] [Assigned] (GEODE-8278) Gateway sender queues using up a lot of heap space after server restart

["Alberto Gomez (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-8278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alberto Gomez reassigned GEODE-8278:
------------------------------------

    Assignee: Alberto Gomez

> Gateway sender queues using up a lot of heap space after server restart
> -----------------------------------------------------------------------
>
>                 Key: GEODE-8278
>                 URL: https://issues.apache.org/jira/browse/GEODE-8278
>             Project: Geode
>          Issue Type: Bug
>          Components: eviction
>            Reporter: Alberto Gomez
>            Assignee: Alberto Gomez
>            Priority: Major
>
> In a Geode system with the following characteristics:
>  * WAN replication
>  * partition redundant regions
>  * overflow configured for the gateway senders queues by means of persistence and maximum queue memory set.
>  * gateway receivers stopped in one site (B)
>  * Operations sent to the site that does not have the gateway receivers stopped (A)
> When operations are sent to site A, the gateway sender queues start to grow as expected and the heap memory consumed by the queues does not grow indefinitely given that there is overflow to disk when the limit is reached.
> But, if a server is restarted, the restarted server will show a much higher heap memory used than the memory used by this server before it was restarted or by the other servers.
> This can even provoke that the server cannot be restarted if the heap memory it requires is above the limit configured.
> According to the memory analyzer the entries taking up the memory are subclasses of VMThinDiskLRURegionEntryHeap.
> The number of instances of this type are the same in the restarted server than in the not restarted servers but on the restarted server they take much more memory. The reason seems to be that they hold references to previousEvictionNode and nextEvictionNode.
>  



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