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Posted to dev@phoenix.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2019/02/02 22:01:00 UTC

[jira] [Updated] (PHOENIX-5120) Avoid using MappedByteBuffers for server side sorting.

     [ https://issues.apache.org/jira/browse/PHOENIX-5120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lars Hofhansl updated PHOENIX-5120:
-----------------------------------
    Attachment: 5120-1.4-wip.txt

> Avoid using MappedByteBuffers for server side sorting.
> ------------------------------------------------------
>
>                 Key: PHOENIX-5120
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5120
>             Project: Phoenix
>          Issue Type: Task
>            Reporter: Lars Hofhansl
>            Priority: Major
>         Attachments: 5120-1.4-wip.txt
>
>
> We should had a production outage due to this.
> MappedByteBuffer may leave files around, on top they use direct memory, which is not cleared until the JVM executes a full GC.
> See last comment on PHOENIX-2405.



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