[ https://issues.apache.org/jira/browse/MAPREDUCE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sreekanth Ramakrishnan updated MAPREDUCE-1219: ---------------------------------------------- Attachment: MR-1219-1.patch Attaching patch removing the unused code in {{JobInProgress}} > JobTracker Metrics causes undue load on JobTracker > -------------------------------------------------- > > Key: MAPREDUCE-1219 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-1219 > Project: Hadoop Map/Reduce > Issue Type: Bug > Affects Versions: 0.21.0 > Reporter: Jothi Padmanabhan > Assignee: Amareshwari Sriramadasu > Attachments: MAPREDUCE-1219.patch, MR-1219-1.patch, > patch-1219-ydist.txt > > > JobTrackerMetricsInst.doUpdates updates job-level counters of all running > jobs into JobTracker's metrics causing very bad performance and hampers > heartbeats. Since Job level metrics are better served by JobHistory, it may > be a good idea to remove these from the metrics framework. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.