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https://issues.apache.org/jira/browse/HAMA-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14364400#comment-14364400
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Edward J. Yoon commented on HAMA-935:
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If user didn't provide zookeeper address (and HAMA_MANAGES_ZK is false), the
startSyncServer() method need to be called and Appmaster and Zookeeper address
should be always the same.
If a zookeeper already exist in YARN cluster (and HAMA_MANAGES_ZK is true),
user should able to use it by setting the configuration. In this case, the
startSyncServer() method can be skipped.
> Doesn't operate if hostname doesn't match between AppMaster and Zookeeper
> quorum
> --------------------------------------------------------------------------------
>
> Key: HAMA-935
> URL: https://issues.apache.org/jira/browse/HAMA-935
> Project: Hama
> Issue Type: Bug
> Components: yarn
> Affects Versions: 0.7.0
> Reporter: Minho Kim
> Assignee: Minho Kim
>
> If hostname doesn't match between ApplicationMaster and Zookeeper, Hama on
> YARN doesn't operate.
> So hostname of the container which runs ApplicationMaster should be modified
> to match Zookeeper quorum.
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