sam marshall 679e8d8b66 MDL-68729 Search: Allow query on one server while indexing another
To support transitions from one search engine to a different one, or
to a different installation of the same kind, this feature allows for
queries to use a different search engine from indexing. So you can
reindex (and do all other search operation) on one server, while
user queries are unaffected on a different server.

This feature supports changing between search engine types, and also
between two Solr installations.
2020-08-06 12:12:01 +01:00
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