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From "Lars Hofhansl (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5164) Better HTable resource consumption in CoprocessorHost
Date Tue, 10 Jan 2012 01:29:39 GMT
Better HTable resource consumption in CoprocessorHost
-----------------------------------------------------

                 Key: HBASE-5164
                 URL: https://issues.apache.org/jira/browse/HBASE-5164
             Project: HBase
          Issue Type: Sub-task
          Components: coprocessors
            Reporter: Lars Hofhansl
            Priority: Minor
             Fix For: 0.94.0


HBASE-4805 allows for more control over HTable's resource consumption.
This is currently not used by CoprocessorHost (even though it would even be more critical
to control this inside the RegionServer).

It's not immediate obvious how to do that.
Maybe CoprocessorHost should maintain a lazy ExecutorService and HConnection and reuse both
for all HTables retrieved via CoprocessorEnvironment.getTable(...).

Not sure how critical this is, but I feel without this it is dangerous to use getTable, as
it would lead to all resource consumption problems we find in the client, but inside a crucial
part of the HBase servers.

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