RE: SolrCloud performance issues regarding hardware configuration

2014-07-21 Thread Toke Eskildsen
search engn dev [sachinyadav0...@gmail.com] wrote: > Yes, You are right my facet queries are for text analytic purpose. Does this mean that facet calls are rare (at most one at a time)? > Users will send boolean and spatial queries. current performance for spatial > queries is 100qps with 150 con

Re: SolrCloud performance issues regarding hardware configuration

2014-07-20 Thread Himanshu Mehrotra
Hi, Increasing the number of replicas per shard will help you take more concurrent users/queries resulting in increased throughput. Thanks, Himanshu On Mon, Jul 21, 2014 at 9:25 AM, search engn dev wrote: > Thanks Erick, > > /"So your choices are either to increase memory (a lot) or not do th

Re: SolrCloud performance issues regarding hardware configuration

2014-07-20 Thread search engn dev
Thanks Erick, /"So your choices are either to increase memory (a lot) or not do this. It's a valid question whether this is useful information to present to a user (or are you doing some kind of analytics here?). "/ Yes, You are right my facet queries are for text analytic purpose. Users will

RE: SolrCloud performance issues regarding hardware configuration

2014-07-18 Thread Toke Eskildsen
search engn dev [sachinyadav0...@gmail.com] wrote: > out of 700 million documents 95-97% values are unique approx. That's quite a lot. If you are not already using DocValues for that, you should do so. So, each shard handles ~175M documents. Even with DocValues, there is an overhead of just hav

Re: SolrCloud performance issues regarding hardware configuration

2014-07-18 Thread Erick Erickson
Right, this is the worst kind of use-case for faceting. You have 150M docs/shard and are asking up to 125M buckets to count into, plus control structures. Performance of this (even without OOMs) will be a problem. Having multiple queries execute this simultaneously will increase memory usage. So y

RE: SolrCloud performance issues regarding hardware configuration

2014-07-18 Thread search engn dev
out of 700 million documents 95-97% values are unique approx. My facet query is : http://localhost:8983/solr/select?q=*:*&rows=0&facet=true&facet.limit=1&facet.field=user_digest Above query throws OOM exception as soon as fire it to solr. -- View this message in context: http://lucene.

RE: SolrCloud performance issues regarding hardware configuration

2014-07-18 Thread Toke Eskildsen
From: search engn dev [sachinyadav0...@gmail.com]: > 1 collection : 4 shards : each shard has one master and one replica > total documents : 700 million Are you using DocValues for your facet fields? What is the approximate number of unique values in your facets and what is their type (string, nu