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Amareshwari Sriramadasu commented on HADOOP-4374: ------------------------------------------------- One minor comment: After removing System.exit call from shutdown hook, I don't think you need 2 catch blocks in shutdown hook. Also log Throwable as String by calling StringUtils.stringifyException(th) > JVM should not be killed but given an opportunity to exit gracefully > -------------------------------------------------------------------- > > Key: HADOOP-4374 > URL: https://issues.apache.org/jira/browse/HADOOP-4374 > Project: Hadoop Core > Issue Type: Bug > Components: mapred > Affects Versions: 0.19.0 > Reporter: Devaraj Das > Assignee: Ravi Gummadi > Fix For: 0.20.0 > > Attachments: HADOOP-4374.patch, HADOOP-4374.v1.patch > > > When the tasktracker picks an idle JVM for purging, it should signal the JVM > to exit gracefully, rather than forcefully killing it. This might have the > unfortunate side effect of logs not fully flushed yet in some cases. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.