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Posted to issues@solr.apache.org by "Noble Paul (Jira)" <ji...@apache.org> on 2022/02/16 00:24:00 UTC
[jira] [Assigned] (SOLR-6027) Replica assignments should try to take the host name into account so all replicas don't end up on the same host
[ https://issues.apache.org/jira/browse/SOLR-6027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Noble Paul reassigned SOLR-6027:
--------------------------------
Assignee: (was: Noble Paul)
> Replica assignments should try to take the host name into account so all replicas don't end up on the same host
> ---------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-6027
> URL: https://issues.apache.org/jira/browse/SOLR-6027
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Reporter: Timothy Potter
> Priority: Minor
> Attachments: SOLR-6027.patch
>
>
> I have 18 SolrCloud nodes distributed across 3 Ec2 instances, so 6 per instance. One of my collections was created with all replicas landing on different SolrCloud nodes on the same instance. Ideally, SolrCloud would be a little smarter and ensure that at least one of the replicas was on one of the other hosts.
> shard4: {
> http://ec2-??-??-??-239.compute-1.amazonaws.com:8988/solr/med_collection_shard4_replica1/ LEADER
> http://ec2-??-??-??-239.compute-1.amazonaws.com:8984/solr/med_collection_shard4_replica3/
> http://ec2-??-??-??-239.compute-1.amazonaws.com:8985/solr/med_collection_shard4_replica2/
> }
> I marked this as minor for now as it could be argued that I shouldn't be running that many Solr nodes per instance, but I'm seeing plenty of installs that are using higher-end instance types / server hardware and then running multiple Solr nodes per host.
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