Re: search performance

2014-06-02 Thread Tincu Gabriel
wrote: > I was under the impression that NRTCachingDirectory will instantiate an > MMapDirectory if a 64 bit platform is detected? Is this not the case? > > > On 2014/06/02, 2:09 PM, Tincu Gabriel wrote: > >> MMapDirectory will do the job for you. RamDirectory has a big warn

Re: search performance

2014-06-02 Thread Tincu Gabriel
MMapDirectory will do the job for you. RamDirectory has a big warning in the class description stating that the performance will get killed by an index larger than a few hundred MB, and NRTCachingDirectory is a wrapper for RamDirectory and suitable for low update rates. MMap will use the system RAM

Re: search performance

2014-06-02 Thread Tincu Gabriel
What kind of queries are you pushing into the index. Do they match a lot of documents ? Do you do any sorting on the result set? What is the average document size ? Do you have a lot of update traffic ? What kind of schema does your index use ? On Mon, Jun 2, 2014 at 6:51 AM, Jamie wrote: > Gre

Re: What is the proper use of stop words in Lucene?

2014-04-24 Thread Tincu Gabriel
Hi there, The StopFilterFactory can be used to produce StopFilters with the desired stop-words inside of it . As a constructor argument it takes a Map and one of the valid keys you can pass inside of that is "enablePositionIncrements" . If you don't pass that in then it defaults to true. Is this wh