[jira] [Commented] (SOLR-10733) Rule-based Replica Placement not working correct

["Bernd Fehling (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-10733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16026221#comment-16026221 ] 

Bernd Fehling commented on SOLR-10733:
--------------------------------------

I have added a "testPlacement4()" to RuleEngineTest.java to make more clear where the problem is.
First part in "testPlacement4()" has "rule=shard:shard1,port:49961" and will pass.
Second part in "testPlacement4()" has "rule=shard:shard1,replica:<2,port:49961" and should, from my point of view, also pass.
But it doesn't.


> Rule-based Replica Placement not working correct
> ------------------------------------------------
>
>                 Key: SOLR-10733
>                 URL: https://issues.apache.org/jira/browse/SOLR-10733
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Rules, SolrCloud
>    Affects Versions: 6.5.1
>            Reporter: Bernd Fehling
>         Attachments: SOLR-10733.patch
>
>
> A setup of a SolrCloud with 6 nodes on 3 server e.g.:
> {code}
> server1:8983 , server1:7574
> server2:8983 , server2:7574
> server3:8983 , server3:7574
> {code}
> and a command for creating a new collection with rule:
> {code}
> http://localhost:8983/solr/admin/collections?action=CREATE&name=boss&
> collection.configName=boss_configs&numShards=3&replicationFactor=2&
> maxShardsPerNode=1&rule=shard:shard1,replica:<2,port:8983
> {code}
> should create a collection with 3 shards and least a shard1 with two different nodes running on port 8983.
> {code}
> shard1 --> server_x:8983 ,  server_y:8983
> {code}
> A even more restrictive rule like
> {code}
> rule=shard:shard1,replica:<2,port:8983&rule=shard:shard3,replica:<2,port:7574
> {code}
> should also resolve to a solution because if it really checks all permutations accross shards/replicas/ports and available nodes it should be able to solve this.



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