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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-6216) per-request tagging
Date Fri, 15 Jun 2012 20:22:42 GMT

     [ https://issues.apache.org/jira/browse/HBASE-6216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kannan Muthukkaruppan reassigned HBASE-6216:

    Assignee: Kannan Muthukkaruppan  (was: M. Chen)
> per-request tagging
> -------------------
>                 Key: HBASE-6216
>                 URL: https://issues.apache.org/jira/browse/HBASE-6216
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Kannan Muthukkaruppan
>            Assignee: Kannan Muthukkaruppan
> Allow applications to tag individual RPC requests so that metrics exposed by HBase can
automatically be collected/aggregated by those tags. This'll be useful for problem diagnosis
across various applications-- as it will allow us to correlate HBase metrics (such as data
block misses) back to application level tags.
> For example, in some multi-tenancy type use case where many different applications are
served out of a single Table or CF, it'll be useful to know the break down of metrics (such
as bytes read, data block misses, get/put RPC calls, etc.) by application name (tag).

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