David Smiley created SOLR-17616:
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Summary: CloudSolrClient admin routing should consider node roles
and randomization
Key: SOLR-17616
URL: https://issues.apache.org/jira/browse/SOLR-17616
Project: Solr
Issue Type: Improvement
Components: SolrCloud, SolrJ
Reporter: David Smiley
CloudSolrClient delivers an admin request to the same node given a list of
liveNodes (no ordering). If it's a V2 request, it'll be randomly chosen, which
is a little better. If the non-Overseer so-called "distributed" cluster
processing booleans are set, it's preferable to more thoughtfully distribute
this work instead of consistently picking the same node. Node roles are an
existing way of designating nodes for certain purposes.
Instead, CloudSolrClient should pick randomly amongst the OVERSEER node roles,
then amongst the COORDINATOR node roles, then amongst remaining.
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