[ https://issues.apache.org/jira/browse/MAPREDUCE-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Scott Chen updated MAPREDUCE-1974: ---------------------------------- Fix Version/s: 0.23.0 0.21.1 Affects Version/s: 0.23.0 0.21.1 Status: Patch Available (was: Open) > FairScheduler can preempt the same task many times > -------------------------------------------------- > > Key: MAPREDUCE-1974 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-1974 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: contrib/fair-share > Affects Versions: 0.21.0, 0.21.1, 0.22.0, 0.23.0 > Reporter: Scott Chen > Assignee: Scott Chen > Fix For: 0.21.1, 0.22.0, 0.23.0 > > Attachments: MAPREDUCE-1974.txt > > > In FairScheduler.preemptTasks(), tasks are collected from > JobInProgress.runningMapCache. > But tasks repeat multiple times in JobInProgress.runningMapCache (on rack, > node and cluster). > This makes FairScheduler preempt the same task many times. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.