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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-5120) Avoid using MappedByteBuffers for server side sorting.
Date Tue, 05 Feb 2019 07:53:00 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-5120?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16760543#comment-16760543
] 

Hudson commented on PHOENIX-5120:
---------------------------------

FAILURE: Integrated in Jenkins build Phoenix-4.x-HBase-1.3 #317 (See [https://builds.apache.org/job/Phoenix-4.x-HBase-1.3/317/])
PHOENIX-5120 Avoid using MappedByteBuffers for server side sorting. (larsh: rev 6db6f81f53cc952ee71fe858baac8a4154c00c45)
* (edit) phoenix-core/src/main/java/org/apache/phoenix/iterate/OrderedResultIterator.java
* (add) phoenix-core/src/main/java/org/apache/phoenix/iterate/BufferedSortedQueue.java
* (add) phoenix-core/src/it/java/org/apache/phoenix/end2end/OrderByWithSpillingIT.java
* (delete) phoenix-core/src/main/java/org/apache/phoenix/iterate/MappedByteBufferSortedQueue.java
* (delete) phoenix-core/src/main/java/org/apache/phoenix/iterate/MappedByteBufferQueue.java
* (add) phoenix-core/src/main/java/org/apache/phoenix/iterate/BufferedQueue.java
* (edit) phoenix-core/src/main/java/org/apache/phoenix/execute/SortMergeJoinPlan.java


> Avoid using MappedByteBuffers for server side sorting.
> ------------------------------------------------------
>
>                 Key: PHOENIX-5120
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5120
>             Project: Phoenix
>          Issue Type: Task
>    Affects Versions: 4.14.1
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Critical
>             Fix For: 4.15.0, 5.1.0
>
>         Attachments: 5120-1.4-v2.txt, 5120-1.4-v3.txt, 5120-1.4-wip.txt, 5120-1.4.txt,
5120-master-v3.txt, 5120-master-v5.txt, 5120-master-v6.txt, 5120-master.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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