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https://issues.apache.org/jira/browse/HDFS-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-13641:
-----------------------------
    Affects Version/s: 3.0.3

> Add metrics for edit log tailing 
> ---------------------------------
>
>                 Key: HDFS-13641
>                 URL: https://issues.apache.org/jira/browse/HDFS-13641
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: metrics
>    Affects Versions: 3.0.3
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>            Priority: Major
>             Fix For: 3.2.0, 3.1.1, 3.0.4
>
>         Attachments: HDFS-13641-HDFS-12943.000.patch, HDFS-13641.000.patch, 
> HDFS-13641.001.patch, HDFS-13641.002.patch, HDFS-13641.003.patch
>
>
> We should add metrics for each iteration of edit log tailing, including 1) # 
> of edits loaded, 2) time spent in select input edit stream, 3) time spent in 
> loading the edits, 4) interval between the iterations.



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