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https://issues.apache.org/jira/browse/SOLR-12715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16602934#comment-16602934
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ASF subversion and git services commented on SOLR-12715:
--------------------------------------------------------
Commit 34a85014d5a09e07ddd48d735a8a96a57e92a44d in lucene-solr's branch
refs/heads/master from [~shalinmangar]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=34a8501 ]
SOLR-12715: NodeAddedTrigger should support adding replicas to new nodes by
setting preferredOperation=addreplica
This commit adds support for preferredOperation configuration parameter which
defaults to movereplica. Changes ComputePlanAction to add all
(collection,shard) pair as hints to AddReplicaSuggester when addreplica is
selected as the preferred operation.
> NodeAddedTrigger should support adding replicas to new nodes
> ------------------------------------------------------------
>
> Key: SOLR-12715
> URL: https://issues.apache.org/jira/browse/SOLR-12715
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Reporter: Shalin Shekhar Mangar
> Priority: Major
> Fix For: master (8.0), 7.5
>
> Attachments: SOLR-12715.patch, SOLR-12715.patch, SOLR-12715.patch
>
>
> NodeAddedTrigger only moves replicas from other nodes to the newly added
> node(s). We should add support for addreplica operations via
> preferredOperation flag as is done in other triggers like MetricsTrigger and
> ScheduledTrigger.
> The use-case is to add replica(s) of one or more collections to a new node
> automatically.
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