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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4542) add filter info to slow query logging
Date Tue, 06 Mar 2012 23:19:58 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13223785#comment-13223785
] 

Hadoop QA commented on HBASE-4542:
----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12517322/Add-filter-info-to-slow-query-logging-2012-03-06_14_28_13.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 4 new or modified tests.

    -1 javadoc.  The javadoc tool appears to have generated -129 warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    -1 findbugs.  The patch appears to introduce 154 new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

     -1 core tests.  The patch failed these unit tests:
                       org.apache.hadoop.hbase.mapreduce.TestHFileOutputFormat
                  org.apache.hadoop.hbase.mapred.TestTableMapReduce
                  org.apache.hadoop.hbase.mapreduce.TestImportTsv

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/1121//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/1121//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/1121//console

This message is automatically generated.
                
> add filter info to slow query logging
> -------------------------------------
>
>                 Key: HBASE-4542
>                 URL: https://issues.apache.org/jira/browse/HBASE-4542
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.89.20100924
>            Reporter: Kannan Muthukkaruppan
>            Assignee: Madhuwanti Vaidya
>         Attachments: 0001-jira-HBASE-4542-Add-filter-info-to-slow-query-loggin.patch,
Add-filter-info-to-slow-query-logging-2012-03-06_14_28_13.patch, D1263.2.patch, D1539.1.patch
>
>
> Slow query log doesn't report filters in effect.
> For example:
> {code}
> (operationTooSlow): \
> {"processingtimems":3468,"client":"10.138.43.206:40035","timeRange": [0,9223372036854775807],\
> "starttimems":1317772005821,"responsesize":42411, \
> "class":"HRegionServer","table":"myTable","families":{"CF1":"ALL"]},\
> "row":"6c3b8efa132f0219b7621ed1e5c8c70b","queuetimems":0,\
> "method":"get","totalColumns":1,"maxVersions":1,"storeLimit":-1}
> {code}
> the above would suggest that all columns of myTable:CF1 are being requested for the given
row. But in reality there could be filters in effect (such as ColumnPrefixFilter, ColumnRangeFilter,
TimestampsFilter() etc.). We should enhance the slow query log to capture & report this
information.

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