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From "Shen Yinjie (Jira)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-16541) Make zkCuratorManager connectionTimeoutMs configurabale
Date Tue, 03 Sep 2019 01:40:00 GMT
Shen Yinjie created HADOOP-16541:
------------------------------------

             Summary: Make zkCuratorManager connectionTimeoutMs configurabale
                 Key: HADOOP-16541
                 URL: https://issues.apache.org/jira/browse/HADOOP-16541
             Project: Hadoop Common
          Issue Type: Improvement
    Affects Versions: 3.1.0
            Reporter: Shen Yinjie


Namenode and resourcemanager do the leader election via curator. Currently curator's session
timeout is defined in CommonConfigurationKeys, but connection timeout couldn't be changed
in hadoop (just use curator's default timeout hard-coded). 
In some scearios, RM can't start since connect to zk timeout. We propose to add a hadoop configuration
for curator's  zk connection timeout, so that we can  deal with this situation better.



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