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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (HBASE-5609) Add the ability to pass additional information for slow query logging
Date Fri, 12 Oct 2012 05:38:25 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Lars Hofhansl closed HBASE-5609.

> Add the ability to pass additional information for slow query logging
> ---------------------------------------------------------------------
>                 Key: HBASE-5609
>                 URL: https://issues.apache.org/jira/browse/HBASE-5609
>             Project: HBase
>          Issue Type: New Feature
>          Components: Client, IPC/RPC
>            Reporter: Michael Drzal
>            Assignee: Michael Drzal
>            Priority: Minor
>             Fix For: 0.94.1
>         Attachments: HBASE-5609.patch, HBASE-5609-v2.patch, HBASE-5609-v3.patch, HBASE-5609-v4-094.txt,
> HBase-4117 added the ability to log information about queries that returned too much
data or ran for too long.  There is some information written as a fingerprint that can be
used to tell what table/column families/... are affected.  I would like to extend this functionality
to allow the client to insert an identifier into the operation that gets output in the log.
 The idea behind this would be that if there were N places in the client application that
touched a given table in a certain way, you could quickly narrow things down by inserting
a className:functionName or similar identifier.  I'm fully willing to go back on this if people
think that it isn't a problem in real life and it would just add complexity to the code.

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