Re: Trying to understand SOLR memory requirements

2012-01-16 Thread qiu chi
I remembered there is another implementation using lucene index file as the look up table not the in memory FST FST has its advantage in speed but if you writes documents during runtime, reconstructing FST may cause performance issue On Tue, Jan 17, 2012 at 11:08 AM, Robert Muir wrote: > looks l

Re: Trying to understand SOLR memory requirements

2012-01-16 Thread qiu chi
you may disable FST look up and use lucene index as the suggest method FST look up loads all documents into the memory, you can use the lucene spell checker instead On Tue, Jan 17, 2012 at 10:31 AM, Dave wrote: > I've tried up to -Xmx5g > > On Mon, Jan 16, 2012 at 9:15 PM,

Re: Trying to understand SOLR memory requirements

2012-01-16 Thread qiu chi
What is the largest -Xmx value you have tried? Your index size seems not very big Try -Xmx2048m , it should work On Tue, Jan 17, 2012 at 9:31 AM, Dave wrote: > I'm trying to figure out what my memory needs are for a rather large > dataset. I'm trying to build an auto-complete system for every >

Re: CCU of Solr?

2009-12-18 Thread qiu chi
ab is not the best testing tool to test website performance try loadrunner or apache httpclient instead, they act more like an browser On Sat, Dec 19, 2009 at 11:20 AM, Olala wrote: > > I used ab(apache bench) to test with handle 1000 requests, with a maximum > of > 300 requests running concurr