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Posted to hdfs-dev@hadoop.apache.org by "Stephen Chu (JIRA)" <ji...@apache.org> on 2014/10/23 22:06:35 UTC
[jira] [Created] (HDFS-7283) Bump DataNode OOM log from WARN to
ERROR
Stephen Chu created HDFS-7283:
---------------------------------
Summary: 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
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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