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From Tom Evans <tevans...@googlemail.com>
Subject Moving to SolrCloud, specifying dataDir correctly
Date Mon, 14 Dec 2015 17:49:45 GMT
Hi all

We're currently in the process of migrating our distributed search
running on 5.0 to SolrCloud running on 5.4, and setting up a test
cluster for performance testing etc.

We have several cores/collections, and in each core's solrconfig.xml,
we were specifying an empty <dataDir>, and specifying the same
core.baseDataDir in core.properties.

When I tried this in SolrCloud mode, specifying
"-Dsolr.data.dir=/mnt/solr/" when starting each node, it worked fine
for the first collection, but then the second collection tried to use
the same directory to store its index, which obviously failed. I fixed
this by changing solrconfig.xml in each collection to specify a
specific directory, like so:

  <dataDir>${solr.data.dir:}products</dataDir>

Looking back after the weekend, I'm not a big fan of this. Is there a
way to add a core.properties to ZK, or a way to specify
core.baseDatadir on the command line, or just a better way of handling
this that I'm not aware of?

Cheers

Tom

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