[jira] [Created] (HBASE-9917) Fix it so Default Connection Pool does not spin up max threads even when not needed

["stack (JIRA)" <ji...@apache.org>]

stack created HBASE-9917:
----------------------------

             Summary: Fix it so Default Connection Pool does not spin up max threads even when not needed
                 Key: HBASE-9917
                 URL: https://issues.apache.org/jira/browse/HBASE-9917
             Project: HBase
          Issue Type: Sub-task
            Reporter: stack
            Assignee: stack
             Fix For: 0.98.0, 0.96.1


Testing, I noticed that if we use the HConnection executor service as opposed to the executor service that is created when you create an HTable without passing in a connection: i.e

HConnectionManager.createConnection(config).getTable(tableName)

vs

HTable(config, tableName)

... then we will spin up the max 256 threads and they will just hang out though not being used.

We are encouraging HConnection#getTable over new HTable so worth fixing.




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