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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7999) Add 'system' tables
Date Tue, 05 Mar 2013 18:10:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13593693#comment-13593693

Ted Yu commented on HBASE-7999:

I get the test failure locally:

Failed tests:   testBlockCacheSummary(org.apache.hadoop.hbase.regionserver.TestStoreFileBlockCacheSummary):
blockCache summary has entries expected:<3> but was:<2>
> 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
> 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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