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From "Elek, Marton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12611) Ozone: SCM Cli: Use the hostname of SCM server instead of the bind address
Date Sun, 08 Oct 2017 16:48:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16196218#comment-16196218
] 

Elek, Marton commented on HDFS-12611:
-------------------------------------

Test failures are not related. There are unit test for SCMCli but it's turned off. I tried
to turn it on locally and the connectivity (which is fixed by the patch) is worked. (there
was an error with the container delete but it's not related to this patch) 

> Ozone: SCM Cli: Use the hostname of SCM server instead of the bind address
> --------------------------------------------------------------------------
>
>                 Key: HDFS-12611
>                 URL: https://issues.apache.org/jira/browse/HDFS-12611
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7240
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>         Attachments: HDFS-12611-HDFS-7240.0001.patch
>
>
> During tests I found that I can't use SCM CLI in multi-node environment:
> {code}
> 2017-10-06 21:00:25 INFO  Client:939 - Retrying connect to server: 0.0.0.0/0.0.0.0:9860.
Already tried 0 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1000 MILLISECONDS)
> 2017-10-06 21:00:26 INFO  Client:939 - Retrying connect to server: 0.0.0.0/0.0.0.0:9860.
Already tried 1 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10,
sleepTime=1000 MILLISECONDS)
> {code}
> The reason is that we should use the OZONE_SCM_CLIENT_ADDRESS_KEY instead of OZONE_SCM_BIND_HOST_KEY
as the bind host could be 0.0.0.0 and the SCM_CLIENT_ADDRESS contains the external address
of the SCM server (in my case scm was on a different host)



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