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Bikas Saha commented on YARN-3942: ---------------------------------- In Option 1 the latency would be the time to read the entire session file for a session that has run many DAGs, right? Since we know the file size to be read, could we return a message saying something like "scanning file size FOO. Expect BAR latency"? > Timeline store to read events from HDFS > --------------------------------------- > > Key: YARN-3942 > URL: https://issues.apache.org/jira/browse/YARN-3942 > Project: Hadoop YARN > Issue Type: Improvement > Components: timelineserver > Reporter: Jason Lowe > Assignee: Jason Lowe > Attachments: YARN-3942.001.patch > > > This adds a new timeline store plugin that is intended as a stop-gap measure > to mitigate some of the issues we've seen with ATS v1 while waiting for ATS > v2. The intent of this plugin is to provide a workable solution for running > the Tez UI against the timeline server on a large-scale clusters running many > thousands of jobs per day. -- This message was sent by Atlassian JIRA (v6.3.4#6332)