Noble Paul created SOLR-5609:
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Summary: Don't let cores create slices/named replicas
Key: SOLR-5609
URL: https://issues.apache.org/jira/browse/SOLR-5609
Project: Solr
Issue Type: Sub-task
Reporter: Noble Paul
In SolrCloud, it is possible for a core to come up in any node , and register
itself with an arbitrary slice/coreNodeName. This is a legacy requirement and
we would like to make it only possible for Overseer to initiate creation of
slice/replicas
We plan to introduce cluster level properties at the top level
/cluster-props.json
{code:javascript}
{
"noSliceOrReplicaByCores":true"
}
{code}
If this property is set to true, cores won't be able to send STATE commands
with unknown slice/coreNodeName . Those commands will fail at Overseer. This is
useful for SOLR-5310 / SOLR-5311 where a core/replica is deleted by a command
and it comes up automatically later an dtries to create a replica/slice
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