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Hadoop QA commented on YARN-6042: --------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 0s{color} | {color:blue} Docker mode activated. {color} | | {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 11s{color} | {color:red} YARN-6042 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} | \\ \\ || Subsystem || Report/Notes || | JIRA Issue | YARN-6042 | | GITHUB PR | https://github.com/apache/hadoop/pull/193 | | Console output | https://builds.apache.org/job/PreCommit-YARN-Build/14944/console | | Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Fairscheduler: Dump scheduler state in log > ------------------------------------------ > > Key: YARN-6042 > URL: https://issues.apache.org/jira/browse/YARN-6042 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler > Reporter: Yufei Gu > Assignee: Yufei Gu > Attachments: YARN-6042.001.patch, YARN-6042.002.patch, > YARN-6042.003.patch, YARN-6042.004.patch > > > To improve the debugging of scheduler issues it would be a big improvement to > be able to dump the scheduler state into a log on request. > The Dump the scheduler state at a point in time would allow debugging of a > scheduler that is not hung (deadlocked) but also not assigning containers. > Currently we do not have a proper overview of what state the scheduler and > the queues are in and we have to make assumptions or guess > The scheduler and queue state needed would include (not exhaustive): > - instantaneous and steady fair share (app / queue) > - AM share and resources > - weight > - app demand > - application run state (runnable/non runnable) > - last time at fair/min share -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org