hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6169) MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
Date Fri, 21 Nov 2014 14:05:36 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14220941#comment-14220941
] 

Hudson commented on MAPREDUCE-6169:
-----------------------------------

FAILURE: Integrated in Hadoop-Hdfs-trunk-Java8 #12 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/12/])
MAPREDUCE-6169. MergeQueue should release reference to the current item from key and value
at the end of the iteration to save memory. (Zhihai Xu via kasha) (kasha: rev 90194ca1cbd695d48c3705121c2ac9a8554578a2)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Merger.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/task/reduce/TestMerger.java


> MergeQueue should release reference to the current item from key and value at the end
of the iteration to save memory.
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6169
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6169
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv2
>            Reporter: zhihai xu
>            Assignee: zhihai xu
>             Fix For: 2.7.0
>
>         Attachments: MAPREDUCE-6169.000.patch
>
>
> MergeQueue should release reference to the current item from key and value at the end
of the iteration to save memory.
> these buffers referenced by key and value can be large, which may cause an OOM error.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message