Offer the ability to delete a stale connection by using a configuration instead
of HConnection
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Key: HBASE-5789
URL: https://issues.apache.org/jira/browse/HBASE-5789
Project: HBase
Issue Type: Improvement
Affects Versions: 0.92.1
Reporter: Gilad Wolff
The HConnectionManager offers a few methods to manage deletion of connections.
The public deleteConnection method does not allow the caller to specify that
the connection is stale. The deleteStaleConnection takes an HConnection
instance. In order to get the HConnection instance a caller need to call
getConnection with the connection's Configuration instance to retrieve the
connection. But, getConnection will attempt to connect if the connection has
already been deleted, which sort of defeat the purpose of deleting the
connection. It also complicates caller as they need to handle
ZooKeeperConnectionException.
To simplify clients it would be nice to be able to specify "staleConnection" on
the deleteConnection method or offer a deleteStaleConnection method that takes
a Configuration parameter. Or something completely different?
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