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From "Mark Bennett (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SOLR-4433) Developer Curb Appeal: automatically cleanup, or at least offer to cleanup, any docs from template index directory
Date Mon, 11 Feb 2013 19:03:12 GMT
Mark Bennett created SOLR-4433:
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             Summary: Developer Curb Appeal: automatically cleanup, or at least offer to cleanup,
any docs from template index directory
                 Key: SOLR-4433
                 URL: https://issues.apache.org/jira/browse/SOLR-4433
             Project: Solr
          Issue Type: Improvement
          Components: SolrCloud
    Affects Versions: 4.1
            Reporter: Mark Bennett
             Fix For: 4.2


When setting up SolrCloud, we have the admin make a copy of example directory into the shard
template.

But we issue the warning "Make sure there are no documents present"

Doc reference:
http://lucidworks.lucidimagination.com/display/solr/Getting+Started+with+SolrCloud
Red box: "...  On the other hand, make sure also that there are no documents in the example
directory before making copies."

We don't say what happens if the data directory is not empty?  If this is really bad, then
I'm not sure if we should just automatically nuke it, or prompt them, or give a warning and
exit, or maybe a command line switch, OR maybe just move it out of the way, maybe renaming
it to something with a ".NON-CLOUD-INDEX".

There should be an opportunity to do this.  When SolrCloud initializes a new shard node, I
believe it knows that this is the first time (based on whether ZooKeeper has persisted this
node's shard assignment, etc.)

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