[jira] [Commented] (SOLR-9320) A REPLACENODE command to decommission an existing node with another new node

["Nitin Sharma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-9320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15385323#comment-15385323 ] 

Nitin Sharma commented on SOLR-9320:
------------------------------------

Clarification on this. When you mean recreate, does the naming matter? Lets say x_shard1_replica1 is on source node, if you want to move it to destination node, we can
a)  either create a new replica (x_shard1_replica2) and delete the source. That will leave uneven naming conventions in the cluster. (there will not be a replica1 but a replica2). 
b) Preserve the exact same name as the replica in source node. We can achieve this by creating a temp replica on destination first, deleting the  replica on source,  recreating the replica (with same name) on destination and then cleaning up the temp. 


Option (b) can be thought of as a migrate core. 

Let me know which sounds more usable. 

> A REPLACENODE command to decommission an existing node with another new node
> ----------------------------------------------------------------------------
>
>                 Key: SOLR-9320
>                 URL: https://issues.apache.org/jira/browse/SOLR-9320
>             Project: Solr
>          Issue Type: Sub-task
>          Components: SolrCloud
>            Reporter: Noble Paul
>             Fix For: 6.1
>
>
> The command should accept a source node and target node. recreate the replicas in source node in the target and do a DLETENODE of source node



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