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https://issues.apache.org/jira/browse/SOLR-12845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16643693#comment-16643693
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Varun Thacker commented on SOLR-12845:
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Thanks Shalin! This will be a great improvement in terms of how people use the
system - Users don't have to think of making rules to distribute load unless
they are doing something very specific.
{quote}However, autoAddReplicas implementation does not use this flag but maybe
it should? Either that or all the default rules should be made strict=fal
...
# Each shard cannot have more than one replica on the same node if
possible{quote}
Maybe this policy shoud not be strict=false but the other two policies could be
?
> Add a default cluster policy
> ----------------------------
>
> Key: SOLR-12845
> URL: https://issues.apache.org/jira/browse/SOLR-12845
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Shalin Shekhar Mangar
> Priority: Major
>
> [~varunthacker] commented on SOLR-12739:
> bq. We should also ship with some default policies - "Don't allow more than
> one replica of a shard on the same JVM" , "Distribute cores across the
> cluster evenly" , "Distribute replicas per collection across the nodes"
> This issue is about adding these defaults. I propose the following as default
> cluster policy:
> {code}
> # Each shard cannot have more than one replica on the same node if possible
> {"replica": "<2", "shard": "#EACH", "node": "#ANY", "strict":false}
> # Each collections replicas should be equally distributed amongst nodes
> {"replica": "#EQUAL", "node": "#ANY", "strict":false}
> # All cores should be equally distributed amongst nodes
> {"cores": "#EQUAL", "node": "#ANY", "strict":false}
> {code}
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