[jira] [Created] (HBASE-17127) Locate region should fail fast if underlying Connection already closed

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

Yu Li created HBASE-17127:
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             Summary: Locate region should fail fast if underlying Connection already closed
                 Key: HBASE-17127
                 URL: https://issues.apache.org/jira/browse/HBASE-17127
             Project: HBase
          Issue Type: Bug
            Reporter: Yu Li
            Assignee: Yu Li


Currently if try to locate region when underlying connection is closed, we will retry and wait at least 10s for each round until exhausted (refer to the catch clause of {{RpcRetryingCallerImpl#callWithRetries}} and {{RegionServerCallable#sleep}} for more details), which is unnecessary and time-costing.

The issue is caused by incorrect manipulating connection which shows the disadvantage of force user to handle connection life cycle and proves the necessity to support auto-managed connection as we did before, as indicated in HBASE-17009

In this JIRA we will make it fail fast in the above case.



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