Martin, I found slide quite relevant to what are you asking about.
http://www.slideshare.net/lucenerevolution/potter-timothy-boosting-documents-in-solr On Tue, Oct 9, 2012 at 7:57 AM, Otis Gospodnetic <otis.gospodne...@gmail.com > wrote: > Hi Martin, > > Perhaps you could make a small change in Solr to add "don't reload EFF > if it hasn't been modified since it was last opened". I assume you > commit pretty often, but don't modify EFF files that often, so this > could save you some needless loading. That said, I'd be surprised EFF > doesn't already do this... I didn't check. > > Otis > -- > Search Analytics - http://sematext.com/search-analytics/index.html > Performance Monitoring - http://sematext.com/spm/index.html > > > On Mon, Oct 8, 2012 at 4:55 AM, Martin Koch <m...@issuu.com> wrote: > > Hi List > > > > We're using Solr-4.0.0-Beta with a 7M document index running on a single > > host with 16 shards. We'd like to use an ExternalFileField to hold a > value > > that changes often. However, we've discovered that the file is apparently > > re-read by every shard/core on *every commit*; the index is unresponsive > in > > this period (around 20s on the host we're running on). This is > unacceptable > > for our needs. In the future, we'd like to add other values as > > ExternalFileFields, and this will make the problem worse. > > > > It would be better if the external file were instead read in in the > > background, updating previously read relevant values for each shard as > they > > are read in. > > > > I guess a change in the ExternalFileField code would be required to > achieve > > this, but I have no experience here, so suggestions are very welcome. > > > > Thanks, > > /Martin Koch - Issuu - Senior Systems Architect. > -- Sincerely yours Mikhail Khludnev Tech Lead Grid Dynamics <http://www.griddynamics.com> <mkhlud...@griddynamics.com>