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https://issues.apache.org/jira/browse/HDFS-7283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14183128#comment-14183128
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Hudson commented on HDFS-7283:
------------------------------
FAILURE: Integrated in Hadoop-trunk-Commit #6333 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/6333/])
HDFS-7283. Bump DataNode OOM log from WARN to ERROR. Contributed by Stephen
Chu. (wheat9: rev b3d8a642a938da9de680b479585a7c2014b8965c)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiverServer.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> Bump DataNode OOM log from WARN to ERROR
> ----------------------------------------
>
> Key: HDFS-7283
> URL: https://issues.apache.org/jira/browse/HDFS-7283
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.0.0-alpha
> Reporter: Stephen Chu
> Assignee: Stephen Chu
> Priority: Trivial
> Labels: supportability
> Fix For: 2.7.0
>
> Attachments: HDFS-7283.1.patch
>
>
> When the DataNode OOMs, it logs the following WARN message which should be
> bumped up to ERROR because DataNode OOM often leads to DN process abortion.
> {code}
> WARN org.apache.hadoop.hdfs.server.datanode.DataNode: DataNode is out of
> memory. Will retry in 30 seconds.
> 4751 java.lang.OutOfMemoryError: unable to create new native thread"
> {code}
> Thanks to Roland Teague for identifying this.
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