Re: Running solr on small amounts of RAM

2011-09-14 Thread Mike Austin
Just wanted to follow up and say thanks for all the valuable replies. I'm in the process of testing everything. Thanks, Mike On Mon, Sep 12, 2011 at 1:20 PM, Chris Hostetter wrote: > > Beyond the suggestions already made, i would add: > > a) being really aggressive about stop words can help kee

Re: Running solr on small amounts of RAM

2011-09-12 Thread Chris Hostetter
Beyond the suggestions already made, i would add: a) being really aggressive about stop words can help keep the index size down, which can help reduce the amount of memory needed to scan the term lists b) faceting w/o any caching is likelye going to be too slow to be acceptible. c) don't sor

Re: Running solr on small amounts of RAM

2011-09-12 Thread Toke Eskildsen
On Fri, 2011-09-09 at 18:48 +0200, Mike Austin wrote: > Our index is very small with 100k documents and a light load at the moment. > If I wanted to use the smallest possible RAM on the server, how would I do > this and what are the issues? The index size depends just as much on the size of the do

Re: Running solr on small amounts of RAM

2011-09-11 Thread Jan Høydahl
Hi, Beware that Solr4.0 branch has multiple RAM conserving optimizations which may cause your index to take considerably less space, so try it out. Also, of course, prune your schema to turn off everything you don't need, and also your OS to stop services you don't use. Consider disallowing cert

Re: Running solr on small amounts of RAM

2011-09-11 Thread Erick Erickson
Well, this answer isn't much more satisfactory than "get more memory", but about all I can say is "try it and see". Sure, make your caches very small and monitor memory and test it out. You'll get a sense of how fast (or slow) the queries are pretty quickly. Or you can get a ballpark estimate of

Re: Running solr on small amounts of RAM

2011-09-09 Thread Mike Austin
or actually disabling caching as mentioned here: http://wiki.apache.org/solr/SolrCaching#Cache_Sizing On Fri, Sep 9, 2011 at 11:48 AM, Mike Austin wrote: > I'm trying to push to get solr used in our environment. I know I could have > responses saying WHY can't you get more RAM etc.., but lets ju