[ https://issues.apache.org/jira/browse/MAPREDUCE-5176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Douglas updated MAPREDUCE-5176: ------------------------------------- Status: Open (was: Patch Available) > Preemptable annotations (to support preemption in MR) > ----------------------------------------------------- > > Key: MAPREDUCE-5176 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5176 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mrv2 > Reporter: Carlo Curino > Assignee: Carlo Curino > Fix For: 2.0.5-beta > > Attachments: MAPREDUCE-5176.1.patch, MAPREDUCE-5176.2.patch, > MAPREDUCE-5176.3.patch, MAPREDUCE-5176.patch > > > Proposing a patch that introduces a new annotation @Preemptable that > represents to the framework property of user-supplied classes (e.g., Reducer, > OutputCommiter). The intended semantics is that a tagged class is safe to be > preempted between invocations. > (this is in spirit similar to the Output Contracts of [Nephele/PACT | > https://stratosphere.eu/sites/default/files/papers/ComparingMapReduceAndPACTs_11.pdf]) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira