[jira] [Resolved] (HBASE-26702) Make ageOfLastShip, ageOfLastApplied extend TimeHistogram instead of plain histogram.

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-26702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang resolved HBASE-26702.
-------------------------------
    Fix Version/s: 2.5.0
                   1.7.2
                   3.0.0-alpha-3
                   2.4.10
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Make ageOfLastShip, ageOfLastApplied  extend TimeHistogram instead of plain histogram.
> --------------------------------------------------------------------------------------
>
>                 Key: HBASE-26702
>                 URL: https://issues.apache.org/jira/browse/HBASE-26702
>             Project: HBase
>          Issue Type: Improvement
>          Components: metrics, Replication
>    Affects Versions: 1.7.1, 2.3.7, 3.0.0-alpha-3
>            Reporter: Rushabh Shah
>            Assignee: Rushabh Shah
>            Priority: Minor
>             Fix For: 2.5.0, 1.7.2, 3.0.0-alpha-3, 2.4.10
>
>
> Currently age of last ship metric is an instance of an Histogram type. [Here|https://github.com/apache/hbase/blob/master/hbase-hadoop-compat/src/main/java/org/apache/hadoop/hbase/replication/regionserver/MetricsReplicationGlobalSourceSourceImpl.java#L58]
> {quote}
>    ageOfLastShippedOpHist = rms.getMetricsRegistry().getHistogram(SOURCE_AGE_OF_LAST_SHIPPED_OP);
> {quote}
> We can change it to TimeHistogram so that we get the range information also. 



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