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Posted to issues@ozone.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2020/09/02 08:25:00 UTC

[jira] [Updated] (HDDS-4187) Fix recon OOM

     [ https://issues.apache.org/jira/browse/HDDS-4187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

runzhiwang updated HDDS-4187:
-----------------------------
    Summary: Fix recon OOM  (was: Fix memory leak of recon)

> Fix recon OOM
> -------------
>
>                 Key: HDDS-4187
>                 URL: https://issues.apache.org/jira/browse/HDDS-4187
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>            Reporter: runzhiwang
>            Assignee: runzhiwang
>            Priority: Major
>         Attachments: screenshot-1.png, screenshot-2.png
>
>
> 40 datanodes with 400, 000 containers, start recon with xmx:10G. After several hours, recon's memory increase to 12G and OOM. Memory leak happens on heap, and the reason is recon is slow to process ContainerReport, so the queue of thread OOM.
>   !screenshot-1.png! 
>  !screenshot-2.png! 



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