HTable unnecessarily coupled with HMaster
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Key: HBASE-2828
URL: https://issues.apache.org/jira/browse/HBASE-2828
Project: HBase
Issue Type: Bug
Components: client
Affects Versions: 0.21.0
Reporter: Nicolas Spiegelberg
Fix For: 0.21.0
HTable constructor calls "getCurrentNrHRS()" to get the region server count for
thread pool creation. This code calls HBaseAdmin.getClusterStatus() [aka: the
HMaster] to get the server count. This information can be scraped from
counting the ZooKeeper /hbase/rs/--- ZNodes. Need to remove unnecessary master
queries when ZooKeeper can do the same job.
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