On Tue, Jul 14, 2009 at 2:30 AM, Charlie Jackson <charlie.jack...@cision.com > wrote:
> The wiki page for merging solr cores > (http://wiki.apache.org/solr/MergingSolrIndexes) mentions that the cores > being merged cannot be indexed to during the merge. What about the core > being merged *to*? In terms of the example on the wiki page, I'm asking > if core0 can add docs while core1 and core2 are being merged into it. > > A merge operation acquires the index writer lock, so any add operations sent during the merge, will wait till the merge completes. So, even though you can send add/delete commands to core0, they'll wait for the merge to finish. -- Regards, Shalin Shekhar Mangar.