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Posted to issues@arrow.apache.org by "Wes McKinney (Jira)" <ji...@apache.org> on 2020/03/30 23:21:00 UTC

[jira] [Resolved] (ARROW-8168) [Java][Plasma] Improve Java Plasma client off-heap memory usage

     [ https://issues.apache.org/jira/browse/ARROW-8168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-8168.
---------------------------------
    Fix Version/s:     (was: 1.0.0)
                   0.17.0
       Resolution: Fixed

Issue resolved by pull request 6715
[https://github.com/apache/arrow/pull/6715]

> [Java][Plasma] Improve Java Plasma client off-heap memory usage
> ---------------------------------------------------------------
>
>                 Key: ARROW-8168
>                 URL: https://issues.apache.org/jira/browse/ARROW-8168
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Java
>            Reporter: KunshangJi
>            Assignee: KunshangJi
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.17.0
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> Currently, Plasma Java client API use byte[], which need copy memory from Java on-heap to off-heap(mmap file). we can improve create() and get() method and return a ByteBuffer or DirectByteBuffer to avoid unnecessary memory copy.



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