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https://issues.apache.org/jira/browse/SOLR-5295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13791247#comment-13791247
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ASF subversion and git services commented on SOLR-5295:
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Commit 1530861 from [email protected] in branch 'dev/branches/lucene_solr_4_5'
[ https://svn.apache.org/r1530861 ]
SOLR-4590, SOLR-5295, SOLR-5296, SOLR-5263, SOLR-5297, SOLR-5301, SOLR-5255,
SOLR-5305, SOLR-5314: Merging r1526616, r1528433, r1528441, r1528461, r1528488,
r1529341, r1529434, r1529503, r1530268 from branch_4x
> The createshard collection API creates maxShardsPerNode number of replicas if
> replicationFactor is not specified
> ----------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-5295
> URL: https://issues.apache.org/jira/browse/SOLR-5295
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.5
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: 4.5.1, 4.6, 5.0
>
> Attachments: SOLR-5295.patch, SOLR-5295.patch
>
>
> As reported by Brett Hoerner on solr-user:
> http://www.mail-archive.com/[email protected]/msg89545.html
> {quote}
> It seems that changes in 4.5 collection configuration now require users to
> set a maxShardsPerNode (or it defaults to 1).
> Maybe this was the case before, but with the new CREATESHARD API it seems a
> very restrictive. I've just created a very simple test collection on 3
> machines where I set maxShardsPerNode at collection creation time to 1, and
> I made 3 shards. Everything is good.
> Now I want a 4th shard, it seems impossible to create because the cluster
> "knows" I should only have 1 shard per node. Yet my problem doesn't require
> more hardware, I just my new shard to exist on one of the existing servers.
> So I try again -- I create a collection with 3 shards and set
> maxShardsPerNode to 1000 (just as a silly test). Everything is good.
> Now I add shard4 and it immediately tries to add 1000 replicas of shard4...
> {quote}
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