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https://issues.apache.org/jira/browse/HBASE-10994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13970401#comment-13970401
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Matteo Bertozzi commented on HBASE-10994:
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{quote}What happens if there is a quota on a namespace, and quotas on tables
within?{quote}
The quota on the table has the priority, but is part of the namespace.
e.g. let say that you limit the Namespace to 10Gb, you can enforce a limit on
the table between 1 and 10G and the other tables will get what remains
> HBase Multi-Tenancy
> -------------------
>
> Key: HBASE-10994
> URL: https://issues.apache.org/jira/browse/HBASE-10994
> Project: HBase
> Issue Type: Umbrella
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Priority: Minor
> Labels: multitenancy, quota
>
> Currently HBase treats all tables, users, and workloads in the same way.
> This is ok, until multiple users and workloads are applied on the same
> cluster/table. Some workloads/users must be prioritized over others, and some
> other workloads must not impact others.
> We can separate the problem into three components.
> * Isolation/Partitioning (Physically split on different machines)
> * Scheduling (Prioritize small/interactive workloads vs long/batch workloads)
> * Quotas (Limit a user/table requests/sec or size)
> This is the umbrella jira tracking the multi-tenancy related tasks.
> An initial design document is up for comments here:
> https://docs.google.com/document/d/1ygIwZpDWQuMPdfcryckic6ODi5DHQkrzXKjmOJodfs0
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