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Posted to issues@geode.apache.org by "nabarun (JIRA)" <ji...@apache.org> on 2018/10/03 21:38:30 UTC

[jira] [Closed] (GEODE-5292) Replace with concurrent clear and destroy leaks off heap memory

     [ https://issues.apache.org/jira/browse/GEODE-5292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

nabarun closed GEODE-5292.
--------------------------

> Replace with concurrent clear and destroy leaks off heap memory
> ---------------------------------------------------------------
>
>                 Key: GEODE-5292
>                 URL: https://issues.apache.org/jira/browse/GEODE-5292
>             Project: Geode
>          Issue Type: Bug
>          Components: regions
>            Reporter: Dan Smith
>            Assignee: Dan Smith
>            Priority: Major
>              Labels: pull-request-available, swat
>             Fix For: 1.7.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> For a region that has been configured with off-heap storage and overflow to disk, memory can be leaked if
>  * region clear
>  * region destroy 
>  * region replace
> all happen concurrently. The root cause appears to be region clear modifying entries for values stored on disk without synchronizing the entries. This prevents replace from freeing the off-heap memory for the new value when the replace fails because the region is being destroyed.



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