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From "Jonathan Ellis (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-3693) strange values of pending tasks with compactionstats (below 0)
Date Tue, 10 Jan 2012 23:58:39 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-3693?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-3693:
--------------------------------------

    Attachment: 3693.txt

Patch to keep compaction task count arithmetic as a long until after the division by sstable
size has been done.
                
> strange values of pending tasks with compactionstats (below 0)
> --------------------------------------------------------------
>
>                 Key: CASSANDRA-3693
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3693
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core, Tools
>    Affects Versions: 1.0.0
>         Environment: linux, oracle java 1.6.26
>            Reporter: Zenek Kraweznik
>            Priority: Minor
>              Labels: compaction
>             Fix For: 1.0.7
>
>         Attachments: 3693.txt
>
>
> during scrub:
> Every 2.0s: for i in 1 2 3; do nodetool -h 192.168.2.$i compactionstats; done       
                                                                                         
                                   Wed Jan  4 13:48:13 2012
> pending tasks: 2147483646
>           compaction type        keyspace   column family bytes compacted     bytes total
 progress
>                Compaction         Archive        Messages     28034971475     72393139120
   38.73%
> pending tasks: -2147483647
>           compaction type        keyspace   column family bytes compacted     bytes total
 progress
>                Compaction         Archive        Messages     24575687282     72385305067
   33.95%
> pending tasks: 0

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