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Chengwei Wang edited comment on MAPREDUCE-7274 at 4/16/20, 8:03 AM: -------------------------------------------------------------------- I would upload a patch for hadoop 2.x or 3.2.0 if needed. was (Author: smarthan): I would upload a patch based on hadoop 2.x if needed. > Enable to set running task limit when mapreduce job is running > -------------------------------------------------------------- > > Key: MAPREDUCE-7274 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-7274 > Project: Hadoop Map/Reduce > Issue Type: New Feature > Reporter: Chengwei Wang > Priority: Major > Attachments: MAPREDUCE-7274-branch-3.2.0.patch > > > MRv2 enabled users to control the number of map or reduce tasks running > simultaneously by configuration _mapreduce.job.running.map.limit_ or > _mapreduce.job.running.reduce.limit._ But users can only set limit number > before submitting the job to rm. So, it's meaningful to enable users to set > the limit of running map or reduce tasks when job is running, which can help > users to restrict resource usage of job and give resources to high-priority > job. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: mapreduce-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: mapreduce-issues-h...@hadoop.apache.org