[jira] [Commented] (SOLR-5303) numShards property is not properly taken into account

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[jira] [Commented] (SOLR-5303) numShards property is not properly taken into account

Nick Burch (Jira)

    [ https://issues.apache.org/jira/browse/SOLR-5303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13789089#comment-13789089 ]

Federico Piai commented on SOLR-5303:
-------------------------------------

OK I'm sorry for the false positive. What actually confused me is that numShards must be passed as system property (with -D option) while for instance solr.home can be passed this way or as an environment variable (eg in Tomcat's context.xml). I tried to put numShards in context.xml of SolR but it did not work.
Thank you for your answer.

> numShards property is not properly taken into account
> -----------------------------------------------------
>
>                 Key: SOLR-5303
>                 URL: https://issues.apache.org/jira/browse/SOLR-5303
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 4.2, 4.3.1
>         Environment: SolR on 3 VMs each with an external Zookeeper, multi-core startups
>            Reporter: Federico Piai
>              Labels: shard, solrcloud, zookeeper
>
> It looks like the 'numShards' argument is ignored by SolR. The number of shards is always defaulted to 1 unless cores are dynamically created with Collection API.
> I had this log :
> INFO: numShards not found on descriptor - reading it from system property, I looked for the piece of code where the log was located ((https://svn.apache.org/repos/asf/lucene/dev/trunk/solr/core/src/java/org/apache/solr/cloud/ZkController.java)) and I found a possible error :
> log.info("numShards not found on descriptor - reading it from system property");
> numShards = Integer.getInteger(ZkStateReader.NUM_SHARDS_PROP);



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