Kind of regrettable, I think we can look at changing this in Lucene. On Tue, Jul 14, 2009 at 12:08 AM, Shalin Shekhar Mangar < shalinman...@gmail.com> wrote:
> 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. >
