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From "Jesse Yates (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7999) Add 'system' tables
Date Thu, 07 Mar 2013 05:12:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13595552#comment-13595552

Jesse Yates commented on HBASE-7999:

I'd argue that we should still reserve a system namespace (the same is already discussed in
HBASE-8015), so keeping these special system labels around isn't all that far fetched. The
actual list table rpc would change, but other than that much of the higher-level things would
remain very similar (e.g. ui, shell, etc) to support the system tooling separate from the
regular namespace (to help avoid accidental changes to internal tables)
> Add 'system' tables
> -------------------
>                 Key: HBASE-7999
>                 URL: https://issues.apache.org/jira/browse/HBASE-7999
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, master, Protobufs
>            Reporter: Jesse Yates
>            Assignee: Jesse Yates
>             Fix For: 0.96.0
>         Attachments: hbase-7999-v0.patch, hbase-7999-v2.patch
> System tables are necessary as we start moving towards other internally scoped uses for
tables (already we have a similar paradigm with the ACL table in the security stuff). This
allows things like an statistics table, a secondary index table, moving replication queues
out of ZK - just to name a couple of things that have come up.
> The first use-case would be HBASE-7958 where we would want to support a system level
statistics table.

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