[jira] [Resolved] (SOLR-15286) A brand new replica in the legacy setup reports healthy before replicating index from its leader

["Anshum Gupta (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anshum Gupta resolved SOLR-15286.
---------------------------------
    Resolution: Fixed

> A brand new replica in the legacy setup reports healthy before replicating index from its leader
> ------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-15286
>                 URL: https://issues.apache.org/jira/browse/SOLR-15286
>             Project: Solr
>          Issue Type: Bug
>          Components: replication (java)
>    Affects Versions: 8.8.1
>            Reporter: Pushkar Raste
>            Assignee: Anshum Gupta
>            Priority: Major
>             Fix For: main (9.0)
>
>         Attachments: SOLR-15286.patch
>
>          Time Spent: 2h 50m
>  Remaining Estimate: 0h
>
> In the legacy mode when you add a brand new replica it immediately starts reporting healthy even if it hasn't fully replicated index from its leader. This issue is also exhibited when you shut down a replica and start it after a lot of data is indexed on the leader.
> If the replica reports healthy LB would continue to forward incoming requests to it and this would result in inconsistent data being retuned to the caller. 



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