I was certainly asking about lucene!
> From: j...@basetechnology.com > To: java-user@lucene.apache.org > Subject: Re: Multi-thread indexing, should the commit be called from each > thread? > Date: Wed, 21 May 2014 11:53:46 -0400 > > (Was this supposed to be a java-user/Lucene question or a Solr question?!) > > -- Jack Krupansky > > -----Original Message----- > From: Erick Erickson > Sent: Wednesday, May 21, 2014 10:58 AM > To: java-user > Subject: Re: Multi-thread indexing, should the commit be called from each > thread? > > I'll be more emphatic than Shai; you should _definitely_ not commit > from each thread, especially if you are doing a hard commit with > openSearcher=true or a soft commit. > > In either case you open a new searcher which fires all your > autowarming queries which.. IOW they're expensive operations. > > More than you ever wanted to know about hard and soft commits is here: > http://searchhub.org/2013/08/23/understanding-transaction-logs-softcommit-and-commit-in-sorlcloud/ > > FWIW, > Erick > > On Wed, May 21, 2014 at 6:12 AM, Shai Erera <ser...@gmail.com> wrote: > > You don't need to commit from each thread, you can definitely commit when > > all threads are done. In general, you should commit only when you want to > > ensure the data is "safe" on disk. > > > > Shai > > > > > > On Wed, May 21, 2014 at 2:58 PM, andi rexha <a_re...@hotmail.com> wrote: > > > >> Hi! > >> I have a question about multi-thread indexing. When I perform a > >> Multi-thread indexing, should I commit from each thread that I add > >> documents or the commit should be done only when all the threads are done > >> with their indexing task? > >> > >> Thank you! > >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org >
