Hyunsik Choi created TAJO-1221:
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Summary: HA TajoClient should not connect TajoMaster at the first.
Key: TAJO-1221
URL: https://issues.apache.org/jira/browse/TAJO-1221
Project: Tajo
Issue Type: Improvement
Components: tajo master
Reporter: Hyunsik Choi
Fix For: 0.9.1
*Problem*
We TajoClient is opened, TajoClient initially tries to connect TajoMaster. This
manner does not guarantee high availability. A known TajoMaster host may be not
work anymore. So, this manner still has some failure point.
Also, this manner prohibits a Tajo cluster to run on some dynamic cluster
environments like Yarn.
*Solution*
Tajo HA client should get directly TajoMaster addresses and others from HA
component without contacting TajoMaster.
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