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https://issues.apache.org/jira/browse/HADOOP-9106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13544535#comment-13544535
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Suresh Srinivas commented on HADOOP-9106:
-----------------------------------------

bq.  think making setConnectionTimeout static will not allow configuring 
'per-client' which is desired
When a Client is created conf is passed to it in constructor. Given that the 
connection timeout in this patch is reading the timeout off of this conf, the 
timeout should be set in the conf object before it is used in the Client 
constructor and it can be done using a static method.
 
bq. Maybe we can change the default 20s to a smaller value as well, 
I think 20s should be fine. With this configurability you can change it. Lets 
do it in another jira.
                
> Allow configuration of IPC connect timeout
> ------------------------------------------
>
>                 Key: HADOOP-9106
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9106
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 3.0.0
>            Reporter: Todd Lipcon
>            Assignee: Robert Parker
>         Attachments: HADOOP-9106v1.patch, HADOOP-9106v2.patch
>
>
> Currently the connection timeout in Client.setupConnection() is hard coded to 
> 20seconds. This is unreasonable in some scenarios, such as HA failover, if we 
> want a faster failover time. We should allow this to be configured per-client.

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