[jira] [Resolved] (ACCUMULO-875) add list compactions command to shell

["Keith Turner (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ACCUMULO-875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keith Turner resolved ACCUMULO-875.
-----------------------------------

    Resolution: Fixed
    
> add list compactions command to shell
> -------------------------------------
>
>                 Key: ACCUMULO-875
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-875
>             Project: Accumulo
>          Issue Type: New Feature
>            Reporter: Keith Turner
>            Assignee: Keith Turner
>             Fix For: 1.5.0
>
>
> The shell currently has a list scans command which is very useful for debugging.  Another command that would be useful is list compactions.   
> The things that would be useful to know about a running compaction are the following :
>  
>  * Tablet server
>  * Age
>  * State (if showing queued compactions)
>  * Type (User, Chop, System, Idle)
>  * Tablet
>  * Iterator info (iterators could have changed since it started and there are per compaction iterators)
>  * Input files
>  * Output file
>  * Rate
>  * Key/values read so far (could do bytes also)
>  * Key/values written so far (could do bytes also)
>  * Locality group compacting
> Could consider using JMX to collect this info from tablet servers.   List scans currently uses a thrift call to get its info from tablet servers.   Making the info available via JMX would enable other tools to use the information. 

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