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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-16961) FileSystem Quotas
Date Mon, 01 May 2017 18:43:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-16961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15991278#comment-15991278
] 

Josh Elser commented on HBASE-16961:
------------------------------------

bq. Regardless of the usefulness, the extra columns missing on list_quota_violations might
be due to an internal change (RS's used to only see the violation policy or nothing – they
see the full snapshot now).

bq. Suggestion for filtering options:

Actually, thinking about this more, I like this idea. Can also add a {{REGIONSERVER}} option
to differentiate getting the state from the quota table and asking a RS for its view. One
less command, more functionality on the one command. Thanks, Andrew!

> FileSystem Quotas
> -----------------
>
>                 Key: HBASE-16961
>                 URL: https://issues.apache.org/jira/browse/HBASE-16961
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>         Attachments: hbase-quota-test.sh
>
>
> Umbrella issue for tracking the filesystem utilization of HBase data, defining quotas
on that utilization, and enforcement when utilization exceeds the limits of the quota.
> At a high level: we can define quotas on tables and namespaces. Region size is computed
by RegionServers and sent to the Master. The Master inspects the sizes of Regions, rolling
up to table and namespace sizes. Defined quotas in the quota table are evaluated given the
computed sizes, and, for those tables/namespaces violating the quota, RegionServers are informed
to take some action to limit any further filesystem growth by that table/namespace.
> Discuss: https://lists.apache.org/thread.html/66a4b0c3725b5cbdd61dd6111c43847adaeef7b7da5f4cd045df30ef@%3Cdev.hbase.apache.org%3E
> Design Doc: http://home.apache.org/~elserj/hbase/FileSystemQuotasforApacheHBase.pdf or
https://docs.google.com/document/d/1VtLWDkB2tpwc_zgCNPE1ulZOeecF-YA2FYSK3TSs_bw/edit?usp=sharing



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