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https://issues.apache.org/jira/browse/CASSANDRA-3703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13194243#comment-13194243
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Jonathan Ellis commented on CASSANDRA-3703:
-------------------------------------------

bq. it could make some sense to log CM.getActiveCompactions() instead 

Oops, I thought that's what I was doing.  Yes, I think that's what we want -- a 
compaction waiting on the lock isn't really active, IMO.

Committed w/ change to that method.
                
> log Compaction Active tasks in StatusLogger instead of n/a
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-3703
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3703
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Jackson Chung
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: compaction
>             Fix For: 1.0.8
>
>         Attachments: 3703.txt
>
>
> currently StatusLogger log:
> {noformat}
> logger.info(String.format("%-25s%10s%10s",
>                                   "CompactionManager", "n/a", 
> CompactionManager.instance.getPendingTasks()));
> {noformat}
> It'd be great if it could actually log the number of active tasks being 
> processed. Without looking into the code, I thought there was no compaction 
> running when reading the log.
> {code: title=CompactionManager.java}
>     public int getActiveCompactions()
>     {
>         return CompactionExecutor.compactions.size();
>     }
> {code}

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