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https://issues.apache.org/jira/browse/HBASE-16961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623060#comment-15623060
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stack commented on HBASE-16961:
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[~toffer] FYI.
> 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
>
> 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.
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