[jira] [Updated] (SOLR-9090) solrj CloudSolrClient: add directUpdatesToLeadersOnly support

["Christine Poerschke (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-9090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Christine Poerschke updated SOLR-9090:
--------------------------------------
    Attachment: SOLR-9090.patch

Attaching proposed patch against master.

> solrj CloudSolrClient: add directUpdatesToLeadersOnly support
> -------------------------------------------------------------
>
>                 Key: SOLR-9090
>                 URL: https://issues.apache.org/jira/browse/SOLR-9090
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrJ
>            Reporter: Christine Poerschke
>            Assignee: Christine Poerschke
>            Priority: Minor
>         Attachments: SOLR-9090.patch
>
>
> solrj CloudSolrClient: add directUpdatesToLeadersOnly support
> (Marvin Justice, Christine Poerschke)
> Proposed change:
> * Addition of a {{directUpdatesToLeadersOnly}} flag to allow clients to request that direct updates be sent to the shard leaders and only to the shard leaders.
> Motivation:
> * In a scenario where there is temporarily no shard leader the update request will 'fail fast' allowing the client to handle retry logic.
> Related tickets:
> * SOLR-6312 concerns the ((currently) no longer used) {{updatesToLeaders}} flag. The updatesToLeaders logic however appears to be slightly different from the proposed directUpdatesToLeadersOnly logic: {{updatesToLeaders}} indicates that sending to leaders is preferred but not mandatory whereas {{directUpdatesToLeadersOnly}} mandates sending to leaders only.



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