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ambari-metrics/ambari-metrics-timelineservice/conf/unix/ambari-metrics-collector (line 224) <https://reviews.apache.org/r/40723/#comment167460> Will this command run list * # of tables time? Or will check the output of list run once in a single try against the list of defined tables ? - Sid Wagle On Nov. 25, 2015, 11:12 p.m., Aravindan Vijayan wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/40723/ > ----------------------------------------------------------- > > (Updated Nov. 25, 2015, 11:12 p.m.) > > > Review request for Ambari, Dmytro Sen, Sumit Mohanty, and Sid Wagle. > > > Bugs: AMBARI-14078 > https://issues.apache.org/jira/browse/AMBARI-14078 > > > Repository: ambari > > > Description > ------- > > PROBLEM > Collector startup takes greater than 6mins even though the > ApplicationHistoryServer is up in 2mins in secure cluster. > > Bug > The collector startup script uses HBase shell to poll and check if the > metrics schema is created. HBase shell takes a long time to respond in a > secure environment without kinit. > > Fix > Doing a "kinit" before starting up the metrics collector solves the > performance issue > > > ----------------- > > NOTE : Some metrics collector startup script STDOUT echo statements (4-5) > have also been piped to the ambari-metrics-collector.out file to facilitate > debugging. Hence, the .out file will be appended to, across collector START > requests. > > > Diffs > ----- > > > ambari-metrics/ambari-metrics-timelineservice/conf/unix/ambari-metrics-collector > 25305cf > > ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/scripts/ams_service.py > 2b475dd > > Diff: https://reviews.apache.org/r/40723/diff/ > > > Testing > ------- > > Manual testing on Kerberized and normal environment. > > Python unit tests pass. > > > Thanks, > > Aravindan Vijayan > >
