Thank you Shawn. Neither using ip address nor maxShardsPerNode=1 has any
effect. Let me try few other things today and I'll get back to you.

-Shankar



On Thu, Feb 21, 2013 at 9:05 PM, Shawn Heisey <s...@elyograg.org> wrote:

> On 2/21/2013 9:50 PM, Shankar Sundararaju wrote:
>
>> I am using Solr 4.1.
>>
>> I created collection1 consisting of 2 leaders and 2 replicas (2 shards) at
>> boot time.
>>
>> After the cluster is up, I am trying to create collection2 with 2 leaders
>> and 2 replicas just like collection1. I am using following collections API
>> for that:
>>
>> http://localhost:7575/solr/**admin/collections?action=**
>> CREATE&name=collection2&**numShards=2&replicationFactor=**
>> 2&collection.configName=**myconf&createNodeSet=**
>> localhost:8983_solr,localhost:**7574_solr,localhost:7575_solr,**
>> localhost:7576_solr<http://localhost:7575/solr/admin/collections?action=CREATE&name=collection2&numShards=2&replicationFactor=2&collection.configName=myconf&createNodeSet=localhost:8983_solr,localhost:7574_solr,localhost:7575_solr,localhost:7576_solr>
>>
>> Yes, collection2 does get created. But I see a problem - createNodeSet
>> parameter is not being honored. All 4 nodes are not being used to create
>> collection2, only 3 are being used. Is this a bug or I don't understand
>> how
>> this parameter should be used?
>>
>> What is the best way to create collection2? Can I specify both collections
>> in solr.xml in the solr home dir in all nodes and launch them? Do I have
>> to
>> get the configs for collection2 uploaded to zookeeper before I launch the
>> nodes?
>>
>
> Is your cluster comprised of only those four Solr nodes, or do you have
> others?  If it's just those four, you should not need to tell it which ones
> to use, it should use all of them.  You could try adding maxShardsPerNode=1
> just to be sure that it won't try to put more than one shard on any one
> node.
>
> I did find an email thread saying that hostnames won't work in
> createNodeSet with Solr 4.1, because 4.1 defaults to IP addresses when each
> node registers with Zookeeper.  Check your SolrCloud graph in the admin UI.
>  If you see IP addresses there, you will probably have to use IP addresses
> in the createNodeSet parameter.  You can force hostnames by including
> host="myhostname" in the cores parameter of solr.xml and restarting Solr on
> that node.
>
> I'm relatively new to SolrCloud, but I'm learning.
>
> Thanks,
> Shawn
>
>


-- 
Regards,
*Shankar Sundararaju
*Sr. Software Architect
ebrary, a ProQuest company
410 Cambridge Avenue, Palo Alto, CA 94306 USA
shan...@ebrary.com | www.ebrary.com | 650-475-8776 (w) | 408-426-3057 (c)

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