[ https://issues.apache.org/jira/browse/HDFS-47?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J resolved HDFS-47. ------------------------- Resolution: Not A Problem This has gone stale. FWIW, haven't seen DNs go OOM on its own in recent years. Probably a leak that was fixed? Resolving as Not a Problem (anymore). > dead datanodes because of OutOfMemoryError > ------------------------------------------ > > Key: HDFS-47 > URL: https://issues.apache.org/jira/browse/HDFS-47 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Christian Kunz > > We see more dead datanodes than in previous releases. The common exception is > found in the out file: > Exception in thread "org.apache.hadoop.dfs.DataBlockScanner@18166e5" > java.lang.OutOfMemoryError: Java heap space > Exception in thread "DataNode: [dfs.data.dir-value]" > java.lang.OutOfMemoryError: Java heap space -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira