[ https://issues.apache.org/jira/browse/HADOOP-2837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J resolved HADOOP-2837. ----------------------------- Resolution: Fixed This has gone stale. FWIW, I've never seen an OOM hang on the clusters in the last one and half year. Crashes most of the time there's a leak or an overload in JIP retention (tweakable). > JobTracker got stuck > --------------------- > > Key: HADOOP-2837 > URL: https://issues.apache.org/jira/browse/HADOOP-2837 > Project: Hadoop Common > Issue Type: Bug > Affects Versions: 0.15.3 > Reporter: Runping Qi > > When a job tracker ran a job with a lot of map tasks, > the commit thread complained out of memory: > 2008-02-14 02:52:13,809 ERROR org.apache.hadoop.mapred.JobTracker: Task > Commit Thread got an exception: java.lang.OutOfMemoryError: Java heap space > 2008-02-14 02:53:18,543 ERROR org.apache.hadoop.mapred.JobTracker: Task > Commit Thread got an exception: java.lang.OutOfMemoryError: Java heap space > 2008-02-14 02:53:26,965 ERROR org.apache.hadoop.mapred.JobTracker: Task > Commit Thread got an exception: java.lang.OutOfMemoryError: Java heap space > 2008-02-14 02:54:27,009 ERROR org.apache.hadoop.mapred.JobTracker: Task > Commit Thread got an exception: java.lang.OutOfMemoryError: Java heap space > then later, the job tracker stopped making any progress, and stopped > responding web GUI. -- 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