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https://issues.apache.org/jira/browse/SOLR-4998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699693#comment-13699693
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Jan Høydahl commented on SOLR-4998:
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We should fit "core" in this dictionary as well. In Admin UI all you see is
"core". Core is the lowest level, the physical index of a shard is represented
as a core, however I guess we can simplify and say shard==core?
I'm all for cleaning up this terminology. When I teach courses, people are
always confused by shard, replica, slice, replication factor, leader, master,
slave....
So perhaps we should formally say "Shard replica" when we talk about
replicas/slaves. And kill the term "slice" if it does not give extra value over
"shard".
> Make the use of Slice and Shard consistent across the code and document base
> ----------------------------------------------------------------------------
>
> Key: SOLR-4998
> URL: https://issues.apache.org/jira/browse/SOLR-4998
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Affects Versions: 4.3, 4.3.1
> Reporter: Anshum Gupta
>
> The interchangeable use of Slice and Shard is pretty confusing at times. We
> should define each separately and use the apt term whenever we do so.
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