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Posted to commits@cassandra.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/02/09 19:01:57 UTC

[jira] Commented: (CASSANDRA-2123) nodetool cfhistograms write/read latency columns are reversed

    [ https://issues.apache.org/jira/browse/CASSANDRA-2123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12992624#comment-12992624 ] 

Hudson commented on CASSANDRA-2123:
-----------------------------------

Integrated in Cassandra-0.7 #267 (See [https://hudson.apache.org/hudson/job/Cassandra-0.7/267/])
    put read/write latencies in the right columns for nodetool cfhistograms
patch by jbellis for CASSANDRA-2123


> nodetool cfhistograms write/read latency columns are reversed
> -------------------------------------------------------------
>
>                 Key: CASSANDRA-2123
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2123
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tools
>    Affects Versions: 0.7.1
>            Reporter: Chris Burroughs
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.7.1
>
>
> As first reported by Oleg Proudnikov in the thread http://www.mail-archive.com/user@cassandra.apache.org/msg09607.html the columns for read and write latency are reversed in the output of cfhistograms.  The Mbean values are correct.
> Example output during stress.java insert test.
> {noformat}
> Keyspace1/Standard1 histograms
> Offset      SSTables     Write Latency      Read Latency          Row Size      Column Count
> 1                  0                 0                 0                 0                 0
> 2                  0                 0                 1                 0                 0
> 3                  0                 0               998                 0                 0
> 4                  0                 0              7729                 0                 0
> 5                  0                 0             22844                 0                 0
> 6                  0                 0             44439                 0           6524792
> 7                  0                 0             64576                 0                 0
> 8                  0                 0             79000                 0                 0
> 10                 0                 0            139338                 0                 0
> 12                 0                 0             84675                 0                 0
> 14                 0                 0             36928                 0                 0
> 17                 0                 0             16547                 0                 0
> 20                 0                 0              3926                 0                 0
> 24                 0                 0              1681                 0                 0
> 29                 0                 0               776                 0                 0
> 35                 0                 0               357                 0                 0
> 42                 0                 0               172                 0                 0
> 50                 0                 0                51                 0                 0
> 60                 0                 0                15                 0                 0
> 72                 0                 0                10                 0                 0
> 86                 0                 0                 4                 0                 0
> 103                0                 0                 6                 0                 0
> 124                0                 0                 3                 0                 0
> 149                0                 0                 1                 0                 0
> 179                0                 0                 0                 0                 0
> 215                0                 0                 1                 0                 0
> 258                0                 0                 1                 0                 0
> 310                0                 0                 0                 0                 0
> 372                0                 0                 1           6524792                 0
> 446                0                 0                 2                 0                 0
> 535                0                 0                 0                 0                 0
> 642                0                 0                 0                 0                 0
> 770                0                 0                 0                 0                 0
> 924                0                 0                 0                 0                 0
> 1109               0                 0                 1                 0                 0
> 1331               0                 0                 0                 0                 0
> {noformat}

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