[jira] [Closed] (HBASE-8481) Add cost tracking to API calls for resource management

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-8481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-8481.
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> 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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