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From "Elek, Marton (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12611) Ozone: SCM Cli: Use the hostname of SCM server instead of the bind address
Date Fri, 06 Oct 2017 21:47:02 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Elek, Marton updated HDFS-12611:
--------------------------------
    Attachment: HDFS-12611-HDFS-7240.0001.patch

To test:

Do a full build and startup a cluster:
dev-support/compose/ozone/
docker-compose up -d

the scmcli should work from different host (for example from the ksm server):

docker exec -it ozone_ksm_1 bash
hdfs scm -container -list -count 10

Without the patch it works only from the scm server.

> 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 should contain the external address
(in my case scm was on a different host)



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