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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17991) Add more details about compation queue on /dump
Date Thu, 04 May 2017 08:30:05 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15996345#comment-15996345
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Ted Yu commented on HBASE-17991:
--------------------------------


435	      this.timeInNanos = System.nanoTime();

nanoTime() is normally used for obtaining time interval. Suggest using System.currentTimeMillis()

> Add more details about compation queue on /dump
> -----------------------------------------------
>
>                 Key: HBASE-17991
>                 URL: https://issues.apache.org/jira/browse/HBASE-17991
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: Guangxu Cheng
>            Assignee: Guangxu Cheng
>            Priority: Minor
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-17991-master-v1.patch
>
>
> RS dump information as follows
> {code}
> RS Queue:
> ===========================================================
> Compaction/Split Queue summary: compaction_queue=(20:0), split_queue=0, merge_queue=0
> Compaction/Split Queue dump:
>   LargeCompation Queue:
>     Request = regionName=usertable,user4180497275766179957,1491904095205.1d4085e4438752f3611f66e7b043fe44.,
storeName=0, fileCount=1, fileSize=1.9 G (1.9 G), priority=1, time=21697920409804647
>     Request = regionName=usertable,user4568009753557153251,1491904099262.95bf004e3c9b35a58c60ca5d5b11d190.,
storeName=0, fileCount=1, fileSize=1.9 G (1.9 G), priority=1, time=21697920413223800
>   SmallCompation Queue:
>     Store = b, pri = 108
>     Store = b, pri = 108
>     Store = b, pri = 108
>     Store = b, pri = 108
>     Store = b, pri = 108
>     Store = b, pri = 109
> {code}
> Compaction queue information will be displayed on page /dump.
> If compation has selected the file, it will print the details information of the compation,
otherwise only print storename and priority(Store = b, pri = 108) which is useless for us.
> So, we should also print more detailed information, such as regionName, starttime etc.



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