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From "Kannan Muthukkaruppan (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4542) add filter info to slow query logging
Date Wed, 05 Oct 2011 18:32:29 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kannan Muthukkaruppan updated HBASE-4542:
-----------------------------------------

    Description: 
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.



  was:
Slow query log doesn't report filter 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.



    
> add filter info to slow query logging
> -------------------------------------
>
>                 Key: HBASE-4542
>                 URL: https://issues.apache.org/jira/browse/HBASE-4542
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Kannan Muthukkaruppan
>            Assignee: Madhuwanti Vaidya
>
> 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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