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ASF GitHub Bot commented on STORM-2006: --------------------------------------- Github user HeartSaVioR commented on the issue: https://github.com/apache/storm/pull/1595 OK. I break down my doc to two pieces and posted to wiki page. - https://cwiki.apache.org/confluence/display/STORM/Limitations+of+current+metrics+feature - https://cwiki.apache.org/confluence/display/STORM/Wishlist+for+new+metrics+feature Since I'm not working on new metrics feature, I didn't put them into proposal / design doc category. I think we will adopt or address many places including metrics while evaluating JStorm features from Phase 2, so would like to wait for that. > Storm metrics feature improvement: support per-worker level metrics > aggregation > ------------------------------------------------------------------------------- > > Key: STORM-2006 > URL: https://issues.apache.org/jira/browse/STORM-2006 > Project: Apache Storm > Issue Type: Improvement > Components: storm-core > Affects Versions: 1.1.0 > Reporter: Jungtaek Lim > Assignee: Jungtaek Lim > > Storm provides per-task level metrics which could be huge when topology has a > number of tasks. > Task level metric is useful for determining load balance between tasks, but > it doesn't need to be time-series fashion. > Before introducing topology level component like TopologyMaster for JStorm, > we can utilize SystemBolt to aggregate task level metrics to per-worker level > metrics. > We should provide options and this feature should be turned off by default to > keep backward compatibility. -- This message was sent by Atlassian JIRA (v6.3.4#6332)