Jobtracker history should be done written aysnchronously to the filesystem --------------------------------------------------------------------------
Key: MAPREDUCE-786 URL: https://issues.apache.org/jira/browse/MAPREDUCE-786 Project: Hadoop Map/Reduce Issue Type: Improvement Reporter: Sharad Agarwal Jobtracker lock is held while writing the history events. This makes the jobtracker slow on flushes, especially when history is written to HDFS. History events should be written asynchronously to avoid this problem. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.