[ https://issues.apache.org/jira/browse/YARN-6738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltan Haindrich updated YARN-6738: ----------------------------------- Attachment: Screen Shot 2017-06-23 at 2.43.06 PM.png > LevelDBCacheTimelineStore should reuse ObjectMapper instances > ------------------------------------------------------------- > > Key: YARN-6738 > URL: https://issues.apache.org/jira/browse/YARN-6738 > Project: Hadoop YARN > Issue Type: Improvement > Components: timelineserver > Reporter: Zoltan Haindrich > Attachments: Screen Shot 2017-06-23 at 2.43.06 PM.png > > > Using TezUI sometimes times out...and the cause of it was that the query was > quite large; and the leveldb handler seems like recreates the > {{ObjectMapper}} for every read - this is unfortunate; since the ObjectMapper > have to rescan the class annotations which may take some time. > Keeping the objectmapper reduces the ATS call time from 17 seconds to 3 > seconds for me...which was enough to get my tez-ui working again :) -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org