Shalin Shekhar Mangar created SOLR-7130:
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Summary: Make stale state notification work without failing the
requests
Key: SOLR-7130
URL: https://issues.apache.org/jira/browse/SOLR-7130
Project: Solr
Issue Type: Improvement
Components: clients - java, SolrCloud, SolrJ
Reporter: Shalin Shekhar Mangar
Fix For: Trunk, 5.1
I wasn't sure whether to label this a bug or an improvement.
For collections with stateFormat=2, we now fail requests (because of stale
state) which we didn't previously. The client having stale cached cluster state
is not a sufficient reason to fail and retry the entire request because in most
of such cases, the node receiving the request is still perfectly capable of
returning a valid response (either from local replicas or remote ones).
We should find a better way to notify clients that they have stale state.
Perhaps we can modify the response and add a "routing" section instead of
outright exception.
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