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https://issues.apache.org/jira/browse/SOLR-5296?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar updated SOLR-5296:
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Attachment: SOLR-5296.patch
The Overseer.createCollection was looking up the router from the message using
"router" instead of "router.name". This defaults to CompositeIdRouter and hence
the slices are configured with a non-null range.
Fix + test attached.
> Creating a collection with implicit router adds shard ranges to each shard
> --------------------------------------------------------------------------
>
> Key: SOLR-5296
> URL: https://issues.apache.org/jira/browse/SOLR-5296
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Affects Versions: 4.5
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: 5.0, 4.6
>
> Attachments: SOLR-5296.patch
>
>
> Creating a collection with implicit router adds shard ranges to each shard.
> Using the Example A from SolrCloud wiki:
> bq.
> http://localhost:8983/solr/admin/collections?action=CREATE&name=myimplicitcollection3&numShards=2&maxShardsPerNode=5&router.name=implicit&shards=s1,s2&replicationFactor=2
> The following clusterstate is created:
> {quote}
> "myimplicitcollection3":{
> "shards":{
> "s1":{
> "range":"80000000-ffffffff",
> "state":"active",
> "replicas":{
> "core_node1":{
> "state":"active",
> "base_url":"http://192.168.1.5:8983/solr";,
> "core":"myimplicitcollection3_s1_replica2",
> "node_name":"192.168.1.5:8983_solr"},
> "core_node3":{
> "state":"active",
> "base_url":"http://192.168.1.5:7574/solr";,
> "core":"myimplicitcollection3_s1_replica1",
> "node_name":"192.168.1.5:7574_solr",
> "leader":"true"}}},
> "s2":{
> "range":"0-7fffffff",
> "state":"active",
> "replicas":{
> "core_node2":{
> "state":"active",
> "base_url":"http://192.168.1.5:8983/solr";,
> "core":"myimplicitcollection3_s2_replica2",
> "node_name":"192.168.1.5:8983_solr"},
> "core_node4":{
> "state":"active",
> "base_url":"http://192.168.1.5:7574/solr";,
> "core":"myimplicitcollection3_s2_replica1",
> "node_name":"192.168.1.5:7574_solr",
> "leader":"true"}}}},
> "maxShardsPerNode":"5",
> "router":{"name":"implicit"},
> "replicationFactor":"2"}
> {quote}
> Collections with implicit router should not have shard ranges at all. Note
> that the createshard API does the right thing.
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