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https://issues.apache.org/jira/browse/SOLR-3866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13565664#comment-13565664
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David Smiley commented on SOLR-3866:
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I wanted to use the RENAME feature so that the core could match a predictable
name for its shard no matter which machine is hosting the shard. This is to
work-around the fact that pivot faceting isn't distributed and so I query each
shard and merge, as a work-around. Boy was using the RENAME a mistake as my
collection was hosed, especially after I tried to rename the leader's core. My
attempts to delete the collection via the API failed (or at least didn't
succeed within the few minutes I gave it). So I wound up reconfiguring all my
collections and related config from scratch :-( (on Solr 4.1)
> CoreAdmin SWAP and RENAME need fixed/defined when using SolrCloud
> -----------------------------------------------------------------
>
> Key: SOLR-3866
> URL: https://issues.apache.org/jira/browse/SOLR-3866
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.0-ALPHA, 4.0-BETA, 4.0
> Reporter: Hoss Man
>
> We need to define what the expected behavior of using the CoreAdminHandler's
> SWAP and RENAME commands is if you are running in SolrCloud mode.
> At the moment, it seems to introduce a disconnect between which "collection"
> the SolrCore thinks it's a part of (and what appears in the persisted
> solr.xml) vs what collection ZooKeeper thinks the SolrCore(s) that were
> swaped/renamed are a part of. We should either "fix" this, or document it if
> it as actually consistent and intentional for low level controls, or disable
> commands like SWAP/RENAME in SolrCloud mode
> https://mail-archives.apache.org/mod_mbox/lucene-solr-user/201209.mbox/%3CCALB4QrP2GZAwLeAiy%3DfcmOLYbc5r0i9Tp1DquyPS8mMJPwCgnw%40mail.gmail.com%3E
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