David Smiley created SOLR-16153:
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Summary: Clone Collection
Key: SOLR-16153
URL: https://issues.apache.org/jira/browse/SOLR-16153
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Components: SolrCloud
Reporter: David Smiley
It should be possible to "clone" a collection, and to do so cheaply. This
might be its own command or be an option of collection creation; either way,
it'd be great to support the vast majority of the same options of collection
creation. A cloned collection should be the same in every way (shard ranges,
collection properties, replicas types and counts, etc.) unless configured to be
different (e.g. specify a different configSet). Most importantly, a cloned
collection should have the same data, and this can be accomplished via UNIX
hard links (when supported) to the underlying files. This would make clones
cheap! A no-data option should be supported as well, useful when the intended
action is to re-index subsequently.
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