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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4427) It would help to run a standalone HBase's ZK on a different port
Date Thu, 22 Sep 2011 22:41:26 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13112977#comment-13112977
] 

Jean-Daniel Cryans commented on HBASE-4427:
-------------------------------------------

For a moment I liked the embeddedClientPort idea, but then if you have an external client
it means you have to change its default config in order to talk to a cluster that has a managed
ZK, and that port wouldn't be easy to find. There's also the problem of those already running
that kind of setup that all of a sudden would need to change their configs.

I'm -1.

Something to consider would be refusing to start HBase if while starting it's own ZK it gets
a port binding exception. I'm not sure what the current behavior is.

> It would help to run a standalone HBase's ZK on a different port
> ----------------------------------------------------------------
>
>                 Key: HBASE-4427
>                 URL: https://issues.apache.org/jira/browse/HBASE-4427
>             Project: HBase
>          Issue Type: Improvement
>          Components: zookeeper
>    Affects Versions: 0.90.4
>            Reporter: Roman Shaposhnik
>            Assignee: Roman Shaposhnik
>            Priority: Minor
>
> It would be extremely helpful to have standalone HBase default to a non-standard port
for running its embedded ZK. This would help to run HBase on the same host where a legitimate
fully distributed ZK server, etc.
> It seems that the following addition to hbase-default.xml would be enough to make it
happen:
> {noformat}
> +  <property>
> +    <name>hbase.zookeeper.property.clientPort</name>
> +    <value>4181</value>
> +  </property>
> {noformat}
> This will take care of the master/client for HBase and can be overridden in hbase-site
if needed.
> Thoughts?

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