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From "Hoss Man (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-7099) bin/solr -cloud mode should launch a local ZK in its own process using zkcli's runzk option (instead of embedded in the first Solr process)
Date Wed, 11 Feb 2015 16:43:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-7099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316499#comment-14316499
] 

Hoss Man commented on SOLR-7099:
--------------------------------

i've mentioned this in the past: ideally the _example_ mode of bin/solr will launch a single
node zk server for you as needed, but will do so using a script and echo out what script command
it ran.  (similar to how it echos out collection creation / health check commands)

when you run solr in (non-example) cloud mode, it should expect zk to already be running and
by this point you should either already know what you need to setup a zk quorom, or you will
remember that bin/solr has a command line option to launch solr that you saw when you were
running the examples

> bin/solr -cloud mode should launch a local ZK in its own process using zkcli's runzk
option (instead of embedded in the first Solr process)
> -------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-7099
>                 URL: https://issues.apache.org/jira/browse/SOLR-7099
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrCloud
>            Reporter: Timothy Potter
>
> Embedded ZK is great for unit testing and quick examples, but as soon as someone wants
to restart their cluster, embedded mode causes a lot of issues, esp. if you restart the node
that embeds ZK. Of course we don't want users to have to install ZooKeeper just to get started
with Solr either. 
> Thankfully, ZkCLI already includes a way to launch ZooKeeper in its own process but still
within the Solr directory structure. We can hide the details and complexity of working with
ZK in the bin/solr script. The solution to this should still make it very clear that this
is for getting started / examples and not to be used in production.



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