Lars George created HBASE-6471:
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Summary: Performance regression caused by HBASE-4054
Key: HBASE-6471
URL: https://issues.apache.org/jira/browse/HBASE-6471
Project: HBase
Issue Type: Bug
Components: client
Affects Versions: 0.92.0
Reporter: Lars George
The patch in HBASE-4054 switches the PooledHTable to extend HTable as opposed
to implement HTableInterface.
Since HTable does not have an empty constructor, the patch added a call to the
super() constructor, which though does trigger the ZooKeeper and META scan,
causing a considerable delay.
With multiple threads using the pool in parallel, the first thread is holding
up all the subsequent ones, in effect it negates the whole reason we have a
HTable pool.
We should complete HBASE-5728, or alternatively add a protected, empty
constructor the HTable. I am +1 for the former.
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