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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12454) Ozone : the sample ozone-site.xml in OzoneGettingStarted does not work
Date Wed, 20 Sep 2017 01:44:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12454?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16172597#comment-16172597
] 

Weiwei Yang commented on HDFS-12454:
------------------------------------

+1 on v4 patch, pending on jenkins.

> Ozone : the sample ozone-site.xml in OzoneGettingStarted does not work
> ----------------------------------------------------------------------
>
>                 Key: HDFS-12454
>                 URL: https://issues.apache.org/jira/browse/HDFS-12454
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>            Priority: Blocker
>              Labels: ozoneMerge
>         Attachments: HDFS-12454-HDFS-7240.001.patch, HDFS-12454-HDFS-7240.002.patch,
HDFS-12454-HDFS-7240.003.patch, HDFS-12454-HDFS-7240.004.patch
>
>
> In OzoneGettingStarted.md there is a sample ozone-site.xml file. But there are a few
issues with it.
> 1.
> {code}
>         <property>
>           <name>ozone.scm.block.client.address</name>
>           <value>scm.hadoop.apache.org</value>
>         </property>
>          <property>
>             <name>ozone.ksm.address</name>
>             <value>ksm.hadoop.apache.org</value>
>           </property>
> {code}
> The value should be an address instead.
> 2.
> {{datanode.ObjectStoreHandler.<init>(ObjectStoreHandler.java:103)}} requires {{ozone.scm.client.address}}
to be set, which is missing from this sample file. Missing this config will seem to cause
failure on starting datanode.
> 3.
> {code}
>         <property>
>           <name>ozone.scm.names</name>
>           <value>scm.hadoop.apache.org</value>
>         </property>
> {code}
> This value did not make much sense to, I found the comment in {{ScmConfigKeys}} that
says
> {code}
> // ozone.scm.names key is a set of DNS | DNS:PORT | IP Address | IP:PORT.
> // Written as a comma separated string. e.g. scm1, scm2:8020, 7.7.7.7:7777
> {code}
> So maybe we should write something like scm1 as value here.
> 4. I'm not entirely sure about this, but [here|https://wiki.apache.org/hadoop/Ozone#Configuration]
it says 
> {code}
> <property>
>     <name>ozone.handler.type</name>
>     <value>local</value>
>   </property>
> {code}
> is also part of minimum setting, do we need to add this [~anu]?



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