[jira] [Assigned] (SOLR-7130) Make stale state notification work without failing the requests

["Noble Paul (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-7130?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Noble Paul reassigned SOLR-7130:
--------------------------------

    Assignee: Noble Paul

> 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
>            Assignee: Noble Paul
>             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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