Remove HTable and HConnection close methods
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Key: HBASE-406
URL: https://issues.apache.org/jira/browse/HBASE-406
Project: Hadoop HBase
Issue Type: Improvement
Components: client
Reporter: Bryan Duxbury
Priority: Minor
As a holdover from the old style of full-meta caching, HTable and HConnection
have close methods that are intended to release resources when you are done
using a table. However, with the new lazy cache, it no longer makes sense to
manually manage your connection cache. Instead, we should remove HTable.close
and HConnection.close and allow the cache's resource usage to be managed by
other means.
This will have the effect of making opening and "closing" HTables very cheap
once they've been opened at least once. This is actually sort of critical for
applications like REST, which use a lot of instances of HTable rather than
caching a single HTable. Opening and closing the table in the old style would
be very expensive.
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