On Thu, Dec 4, 2008 at 6:39 PM, ashokc <[EMAIL PROTECTED]> wrote: > > The SOLR wiki says > >>>3. Make sure both indexes you want to merge are closed. > > What exactly does 'closed' mean?
If you do a commit, and then prevent updates, the index should be closed (no open IndexWriter). > 1. Do I need to stop SOLR search on both indexes before running the merge > command? So a brief downtime is required? > Or do I simply prevent any 'updates/deletes' to these indices during the > merge time so they can still serve up results (read only?) while I am > creating a new merged index? Preventing updates/deletes should be sufficient. > 2. Before the new index replaces the old index, do I need to stop SOLR for > that instance? Or can I simply move the old index out and place the new > index in the same place, without having to stop SOLR Yes, simply moving the index should work if you are careful to avoid any updates since the last commit. > 3. If SOLR has to be stopped during the merge operation, can we work with a > redundant/failover instance and stagger the merge so the search service will > not go down? Any guidelines here are welcome. > > Thanks > > - ashok > -- > View this message in context: > http://www.nabble.com/Merging-Indices-tp20845009p20845009.html > Sent from the Solr - User mailing list archive at Nabble.com. > >
