Rohith Sharma K S commented on YARN-4243:

bq. This will affect the HDFS ZKFS, and they do not want the retry on 
Given default ability to retry on initialization do not require by ZKFS, then 
is fine.

bq. If we set the maxRetryNum as 10, and *zk connect itself would do some 
retries (10times)*, the total is 10*10.
Sorry I did not get it. Could you explain bit more.

> Add retry on establishing Zookeeper conenction in 
> EmbeddedElectorService#serviceInit
> ------------------------------------------------------------------------------------
>                 Key: YARN-4243
>                 URL: https://issues.apache.org/jira/browse/YARN-4243
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>            Reporter: Xuan Gong
>            Assignee: Xuan Gong
>         Attachments: YARN-4243.1.patch, YARN-4243.2.1.patch, YARN-4243.2.patch
> Right now, the RM would shut down if the zk connection is down when the RM do 
> the initialization. We need to add retry on this part

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