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https://issues.apache.org/jira/browse/SOLR-4492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Erick Erickson resolved SOLR-4492.
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Resolution: Fixed
Fix Version/s: Trunk
5.0
Fixed with the checkins under SOLR-6491
Needs two steps:
1> either manually assign the "preferredLeader" property to nodes of your choice
OR
use the BALANCESLICEUNIQUE command on the "preferredLeader" property to
auto-assign the preferredLeader property
2> issue the REBALANCELEADERS call to "make it so".
See the reference guide.
> Please add support for Collection API CREATE method to evenly distribute
> leader roles among instances
> -----------------------------------------------------------------------------------------------------
>
> Key: SOLR-4492
> URL: https://issues.apache.org/jira/browse/SOLR-4492
> Project: Solr
> Issue Type: New Feature
> Components: SolrCloud
> Reporter: Tim Vaillancourt
> Assignee: Erick Erickson
> Priority: Minor
> Fix For: 5.0, Trunk
>
>
> Currently in SolrCloud 4.1, a CREATE call to the Collection API will cause
> the server receiving the CREATE call to become the leader of all shards.
> I would like to ask for the ability for the CREATE call to evenly distribute
> the leader role across all instances, ie: if I create 3 shards over 3 SOLR
> 4.1 instances, each instance/node would only be the leader of 1 shard.
> This would be logically consistent with the way replicas are randomly
> distributed by this same call across instances/nodes.
> Currently, this CREATE call will cause the server receiving the call to
> become the leader of 3 shards.
> curl -v
> 'http://<HOST>:8983/solr/admin/collections?action=CREATE&name=test&numShards=3&replicationFactor=2&maxShardsPerNode=2'
> PS: Thank you SOLR developers for your contributions!
> Tim Vaillancourt
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