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Posted to dev@lucene.apache.org by "Yonik Seeley (Commented) (JIRA)" <ji...@apache.org> on 2011/12/09 18:48:40 UTC
[jira] [Commented] (SOLR-2957) collection URLs in a cluster
[ https://issues.apache.org/jira/browse/SOLR-2957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166361#comment-13166361 ]
Yonik Seeley commented on SOLR-2957:
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Lookup core name directy as is done now.
If it's not found, and we are in ZK mode, then
return the core for a shard leader in the collection one exists, or
return the core for any shard in the collection.
What about the case where there isn't even a shard for the collection being requested?
It would seem desirable for a client to be able to hit any node in a cluster w/o worrying about layout, movement, and rebalancing making requests suddenly fail.
One solution: if there's not a local core for the collection, convert the URL to add the collection name as a parameter and then return the default core, which can then do the appropriate forwarding logic.
> collection URLs in a cluster
> ----------------------------
>
> Key: SOLR-2957
> URL: https://issues.apache.org/jira/browse/SOLR-2957
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud, update
> Reporter: Yonik Seeley
> Fix For: 4.0
>
>
> In solrcloud, one can hit a URL of /collection1/select and get a distributed search over collection1.
> If we wish to maintain this, we'll need some more flexible URL to core mapping since there may be more than one core for the collection on a node, and the "collection1" core on that node could go away altogether.
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