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https://issues.apache.org/jira/browse/SOLR-15087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17287358#comment-17287358
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ASF subversion and git services commented on SOLR-15087:
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Commit 645e68ea061317d910e3de61537d219a4d29a62c in lucene-solr's branch
refs/heads/branch_8x from Jason Gerlowski
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=645e68e ]
SOLR-15087: Allow restoration to existing collections (#2380)
The recent addition of support for a "readonly" mode for collections
opens the door to restoring to already-existing collections.
This commit adds a codepath to allow this. Any compatible existing
collection may be used for restoration, including the collection that
was the original source of the backup.
> Allow backup restoration to existing collections
> ------------------------------------------------
>
> Key: SOLR-15087
> URL: https://issues.apache.org/jira/browse/SOLR-15087
> Project: Solr
> Issue Type: Sub-task
> Reporter: Jason Gerlowski
> Assignee: Jason Gerlowski
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> The "read-only" mode introduced by SOLR-13721 opens the door to our restoring
> backup snapshots to already-existing collections.
> # Set read-only mode for the collection in question.
> # Restore a backup to each shard
> # Unset read-only mode for the collection.
> See
> [SIP-12|https://cwiki.apache.org/confluence/display/SOLR/SIP-12%3A+Incremental+Backup+and+Restore]
> and the corresponding [discussion
> thread|http://mail-archives.apache.org/mod_mbox/lucene-dev/202012.mbox/%3cCAPCX2-LRxHMs55Mx249sSYLPWT-vb-fi=hifroa12wiwlis...@mail.gmail.com%3e]
> for more details.
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