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Philip Zeyliger commented on HDFS-7283: --------------------------------------- Do we know how this behaves when you use an {code} -XX:OnOutOfMemoryError=/some/kill/command {code} Java option? > 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 > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)