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https://issues.apache.org/jira/browse/SOLR-8368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15049106#comment-15049106
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Mark Miller commented on SOLR-8368:
-----------------------------------

Okay, I guess one thing that should be noted: this is not like when we replay 
buffered documents, which also has to deal with documents coming in. Replay 
being slow has a large impact there because it's very hard for it to be faster 
than a decent amount of doc/s coming in.

With realistic hard auto commit and a lack of bugs, you should not end up 
having to replay a very large tlog file on startup though.

So really, this should be an exceptional case and even when it happens, the 
tlog file should be relatively manageable and relatively quick to replay.

> A SolrCore needs to replay it's tlog before the leader election process.
> ------------------------------------------------------------------------
>
>                 Key: SOLR-8368
>                 URL: https://issues.apache.org/jira/browse/SOLR-8368
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Mark Miller
>
> If we do it after like now, the correct leader may not be able to become 
> leader.



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