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https://issues.apache.org/jira/browse/SPARK-3149?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Kousuke Saruta updated SPARK-3149:
----------------------------------

    Description: 
When establishing connection, we get following log.

{code}
14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
[spark-slave00/10.37.129.4]
14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
[spark-slave00/10.37.129.4]
14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
[spark-slave00/10.37.129.4:48746]
14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
[spark-slave00/10.37.129.4:49558]
{code}

As you see, when connecting to another host, we have get remote address and 
port, but when accepting from another host, we have only address.

  was:
When establishing connection, we get following log.

{code}
14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
[spark-slave00/10.37.129.4]
14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
[spark-slave00/10.37.129.4]
14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
[spark-slave00/10.37.129.4:48746]
14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
[spark-slave00/10.37.129.4:49558]
{code}

As you see, when accepting connection from another host, we have get remote 
address and port, but when connecting to another host, we have only address.


> Connection establishment information is not enough.
> ---------------------------------------------------
>
>                 Key: SPARK-3149
>                 URL: https://issues.apache.org/jira/browse/SPARK-3149
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.1.0
>            Reporter: Kousuke Saruta
>            Priority: Minor
>
> When establishing connection, we get following log.
> {code}
> 14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
> [spark-slave00/10.37.129.4]
> 14/08/18 19:47:40 INFO network.ConnectionManager: Accepted connection from 
> [spark-slave00/10.37.129.4]
> 14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
> [spark-slave00/10.37.129.4:48746]
> 14/08/18 19:47:40 INFO network.SendingConnection: Initiating connection to 
> [spark-slave00/10.37.129.4:49558]
> {code}
> As you see, when connecting to another host, we have get remote address and 
> port, but when accepting from another host, we have only address.



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