Any pointers to this newer more concurrent behavior in lucene? I can try an experiment where I downgrade the iwCommit lock to the iwAccess lock to allow updates to happen during commit.
Would you expect that to work? Thanks for bootstrapping me on this. Jim Yonik Seeley-2 wrote: > > On Thu, May 7, 2009 at 8:37 PM, Jim Murphy <jim.mur...@pobox.com> wrote: >> Interesting. So is there a JIRA ticket open for this already? Any chance >> of >> getting it into 1.4? > > No ticket currently open, but IMO it could make it for 1.4. > >> Its seriously kicking out butts right now. We write >> into our masters with ~50ms response times till we hit the autocommit >> then >> add/update response time is 10-30 seconds. Ouch. > > It's probably been made a little worse lately since Lucene now does > fsync on index files before writing the segments file that points to > those files. A necessary evil to prevent index corruption. > >> I'd be willing to work on submitting a patch given a better understanding >> of >> the issue. > > Great, go for it! > > -Yonik > http://www.lucidimagination.com > > -- View this message in context: http://www.nabble.com/Autocommit-blocking-adds---AutoCommit-Speedup--tp23435224p23452011.html Sent from the Solr - User mailing list archive at Nabble.com.
