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https://issues.apache.org/jira/browse/WHIRR-177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12975182#action_12975182
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Lars George commented on WHIRR-177:
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I am actually planning to add an implicit single embedded zookeeper node when
nothing is specified bit also adding a "hbase-zookeeper" role that you can use
in the template definition to explicitly specify which HBase node is to spin up
a ZooKeeper node as well. That covers all scenarios. Does that make sense?
> [HBase] Support embedded ZooKeeper
> ----------------------------------
>
> Key: WHIRR-177
> URL: https://issues.apache.org/jira/browse/WHIRR-177
> Project: Whirr
> Issue Type: Improvement
> Affects Versions: 0.3.0
> Reporter: Lars George
> Assignee: Lars George
> Fix For: 0.3.0
>
>
> This can be achieved like so:
> * Check if there is no "zk" role in the template -> set HBaseManagesZK = true
> * Emit a zoo.cfg from the HBase post-configure script next to the
> hbase-site.xml
> * Set the option in hbase-env.sh to indicate that HBase manages ZK:
> {code}HBASE_MANAGES_ZK=true{code}
> Question is how many nodes run ZK? All slaves? A subset?
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