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https://issues.apache.org/jira/browse/HBASE-8481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Kyle Purtell resolved HBASE-8481.
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Resolution: Won't Fix
> Add cost tracking to API calls for resource management
> ------------------------------------------------------
>
> Key: HBASE-8481
> URL: https://issues.apache.org/jira/browse/HBASE-8481
> Project: HBase
> Issue Type: New Feature
> Reporter: Lars George
> Priority: Major
>
> All calls that require resource should be tracked internally using a
> lightweight mechanism, such as a simple counter record. The idea is to be
> able to tell from calls how many resources they did require, for example a
> Get or Scan, how much true I/O was used. This should then be exposed to the
> Coprocessor context so that a plugin can make cost based decisions going
> forward with other calls. The record should include custom tags that in the
> preXYZ() calls can be used to for example tag a record with a user group and
> therefore be able to aggregate the statistics and accounting for groups of
> users.
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