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stack commented on HBASE-16549: ------------------------------- Now I understand which 'description' you were referring to... Yeah, that is oversight in our new metrics API. I like this comment: {code} 63 * NOTE: Please refer to HBASE-9774 and HBASE-14282. Based on these two issues, HBase is 64 * moving away from using Hadoop's metric2 to having independent HBase specific Metrics. Use 65 * {@link BaseSourceImpl#registry} to register the new metrics. 66 * 67 * TODO: As of now, Metrics description cannot be added/ registered with 68 * {@link BaseSourceImpl#registry}. As metric names are unambiguous but concise, descriptions of 69 * metrics need to be made available to the user somewhere. {code} I skimmed this. I think this is a good start. Lets get it in. Waiting on [~appy] comments.... > Procedure v2 - Add new AM metrics > --------------------------------- > > Key: HBASE-16549 > URL: https://issues.apache.org/jira/browse/HBASE-16549 > Project: HBase > Issue Type: Sub-task > Components: proc-v2, Region Assignment > Affects Versions: 2.0.0 > Reporter: Matteo Bertozzi > Assignee: Umesh Agashe > Fix For: 2.0.0 > > Attachments: HBASE-16549-hbase-14614.v1.patch, > HBASE-16549-hbase-14614.v2.patch > > > With the new AM we can add a bunch of metrics > - assign/unassign time > - server crash time > - grouping related metrics? (how many batch we do, and similar?) -- This message was sent by Atlassian JIRA (v6.3.15#6346)