client region/metadata cache should have a public method for invalidating
entries
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Key: HBASE-729
URL: https://issues.apache.org/jira/browse/HBASE-729
Project: Hadoop HBase
Issue Type: Bug
Components: client
Affects Versions: 0.3.0
Environment: Linux CentOS 5.1 x86_64 / JDK 1.6
Reporter: Andrew Purtell
Assignee: Andrew Purtell
Priority: Minor
While writing a testcase for HBASE-62, I observed that table metadata is cached
as part of the region information cached client side. This cached region
information (and therefore table metadata) is not directly invalidated by
disable/enable table, so to get up to date metadata the client may have to use
a scanner over .META. directly using the meta visitor. Ideally other client
code -- for example the support for HBASE-62 -- should be able to invalidate
entries as necessary, so then the next HTable.getTableDescriptor() would go to
meta to return up to date information instead of incorrectly reusing outdated
information from the cache.
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