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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3112) Enable and disable of table needs a bit of loving in new master
Date Thu, 14 Oct 2010 17:18:33 GMT
Enable and disable of table needs a bit of loving in new master

                 Key: HBASE-3112
                 URL: https://issues.apache.org/jira/browse/HBASE-3112
             Project: HBase
          Issue Type: Bug
            Reporter: stack
            Priority: Critical
             Fix For: 0.90.0

The tools are in place to do a more reliable enable/disable of tables.  Some work has been
done to hack in a basic enable/disable but its not enough -- see the test avro/thrift tests
where a disable/enable/disable switchback can confuse the table state (and has been disabled
until this issue addressed).

This issue is about finishing off enable/disable in the new master.   I think we need to add
to the table znode an enabling/disabling state rather than have them binary with a watcher
that will stop an enable (or disable) starting until the previous completes (Currently we
atomically switch the state though the region close/open lags -- some work in enable/disable
handlers helps in that they won't complete till all regions have transitioned.. but its not

Need to add tests too.

Marking issue critical bug because loads of the questions we get on lists are about enable/disable

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