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https://issues.apache.org/jira/browse/SOLR-9265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355831#comment-15355831
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Keith Laban commented on SOLR-9265:
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I briefly spoke to [~shalinmangar] offline about this idea
> Add configurable node_name aliases instead of host:post_context
> ---------------------------------------------------------------
>
> Key: SOLR-9265
> URL: https://issues.apache.org/jira/browse/SOLR-9265
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Keith Laban
>
> Make it possible to give an alias name to node_name of an instance. As far as
> I can tell you can’t do this, it's always going to be
> <host>:<port>_<context>. The goals of this change are the following:
> 1) Address the node by alias in the core admin/collection apis
> 2) Be able to start a new node with the same alias and have it update
> clusterstate with the new base_url and suck down all the cores that the old
> alias was hosting. This is already (kind of) possible if you create
> core.properties for all the cores that you want the new node to host. However
> I think this bleeds a little too much of the ananotmy of the cloud into the
> directory structure of the solr instance. The other approach is more in the
> paradigm of zookeeper is truth.
> For #2 the desired behavior should be such that.
> 1) If there is already a live node with the same node_name this current node
> should block until that node is gone
> 2) Once there is no node with the same node name and if there are any cores
> assigned to that node alias they should now be hosted on the newly started
> node
> 3) If the old node comes back with the same alias and there is now a node in
> live nodes with this alias go back to #1
> Configuration should be in solr.xml such that:
> {code}
> <solr>
> <solrcloud>
> <str name="nodeName">${solrNodeName:}</str>
> </solrcloud>
> <solr>
> {code}
> where the default would be "<host>:<port>_<context>" style.
> An example for requirement #1:
> {{/admin/collections?action=ADDREPLICA&collection=collection&shard=shard&node=solrNodeNameAlias}}
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