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https://issues.apache.org/jira/browse/SOLR-14702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17170564#comment-17170564
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Tomas Eduardo Fernandez Lobbe commented on SOLR-14702:
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bq. I guess you are in effect arguing in favor of Pager Duty alerts that read
I think this is really off? Definitely alerts will be different. As we both 
agreed, the architectures are different and so are the things to monitor/alert 
on. This is no different than having Solr in SolrCloud mode running in 
completely different infrastructure (say, Kubernetes vs bare metal), the alerts 
and actions to take are different. If you have enough clusters to need a 
"reminder" of the mode they are in running on you most likely have a tool to 
track it.

bq. particularly because SolrCloud actually does utilize replication
One the things that may be making this confusing is the fact that the 
ReplicationHandler/IndexFetcher code continuously log including "master" and 
"slave" that, in the context of both recoveries and replication for TLOG/PULL 
replicas, actually refer to leaders and followers. 


> Remove Master and Slave from Code Base and Docs
> -----------------------------------------------
>
>                 Key: SOLR-14702
>                 URL: https://issues.apache.org/jira/browse/SOLR-14702
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>    Affects Versions: master (9.0)
>            Reporter: Marcus Eagan
>            Priority: Critical
>         Attachments: SOLR-14742-testfix.patch
>
>          Time Spent: 7h 50m
>  Remaining Estimate: 0h
>
> Every time I read _master_ and _slave_, I get pissed.
> I think about the last and only time I remember visiting my maternal great 
> grandpa in Alabama at four years old. He was a sharecropper before WWI, where 
> he lost his legs, and then he was back to being a sharecropper somehow after 
> the war. Crazy, I know. I don't know if the world still called his job 
> sharecropping in 1993, but he was basically a slave—in America. He lived in 
> the same shack that his father, and his grandfather (born a slave) lived in 
> down in Alabama. Believe it or not, my dad's (born in 1926) grandfather was 
> actually born a slave, freed shortly after birth by his owner father. I never 
> met him, though. He died in the 40s.
> Anyway, I cannot police all terms in the repo and do not wish to. This 
> master/slave shit is archaic and misleading on technical grounds. Thankfully, 
> there's only a handful of files in code and documentation that still talk 
> about masters and slaves. We should replace all of them.
> There are so many ways to reword it. In fact, unless anyone else objects or 
> wants to do the grunt work to help my stress levels, I will open the pull 
> request myself in effort to make this project and community more inviting to 
> people of all backgrounds and histories. We can have leader/follower, or 
> primary/secondary, but none of this Master/Slave nonsense. I'm sick of the 
> garbage. 
>  



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