[ https://issues.apache.org/jira/browse/MAPREDUCE-825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tom White updated MAPREDUCE-825: -------------------------------- Resolution: Fixed Fix Version/s: 0.21.0 Hadoop Flags: [Reviewed] Status: Resolved (was: Patch Available) I've just committed this. Thanks Aaron! > JobClient completion poll interval of 5s causes slow tests in local mode > ------------------------------------------------------------------------ > > Key: MAPREDUCE-825 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-825 > Project: Hadoop Map/Reduce > Issue Type: Bug > Reporter: Aaron Kimball > Assignee: Aaron Kimball > Priority: Minor > Fix For: 0.21.0 > > Attachments: completion-poll-interval.patch, MAPREDUCE-825.2.patch > > > The JobClient.NetworkedJob.waitForCompletion() method polls for job > completion every 5 seconds. When running a set of short tests in > pseudo-distributed mode, this is unnecessarily slow and causes lots of wasted > time. When bandwidth is not scarce, setting the poll interval to 100 ms > results in a 4x speedup in some tests. This interval should be parametrized > to allow users to control the interval for testing purposes. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.