[jira] [Commented] (SOLR-9555) Leader incorrectly publishes state for replica when it puts replica into LIR.

["Mark Miller (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-9555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830288#comment-15830288 ] 

Mark Miller commented on SOLR-9555:
-----------------------------------

bq. A replica should only ever publish its own state.

To be more precise, in normal mode of operation, this is true. You can imagine a further improvement in line with another JIRA we have that enables a replica to try and publish itself as DOWN if sees local resource issues. You can imagine a case where the replica might maintain it's ZK connection but not be operational. In this case a leader might recognize that and take hard core action like publishing DOWN for that replica. It should only do this as an emergency action though, after it's clear the replica still appears up but is useless or detrimental. In this common path for LIR, we should only be trying to communicate directly and through ZooKeeper and do no false publishing.

> Leader incorrectly publishes state for replica when it puts replica into LIR.
> -----------------------------------------------------------------------------
>
>                 Key: SOLR-9555
>                 URL: https://issues.apache.org/jira/browse/SOLR-9555
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Alan Woodward
>
> See https://jenkins.thetaphi.de/job/Lucene-Solr-master-Linux/17888/consoleFull for an example



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