lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Grant Ingersoll <gsing...@apache.org>
Subject Re: Huge performance drop in distributed search w/ shards on the same server/container
Date Fri, 13 May 2011 10:57:50 GMT
Is that 10 different Tomcat instances or are you using multicore?  How are you testing?

On May 13, 2011, at 6:08 AM, Frederik Kraus wrote:

> Hi, 
> 
> I'm having some serious problems scaling the following setup:
> 
> 48 CPU / Tomcat / ...
> 
> localhost/shard1
> ...
> localhost/shard10
> 
> When using all 10 shards in the query the req/s drop down to about 300 without fully
utilizing cpu (60% idle) or ram (disk i/o is zero - everything fits into the ram)
> 
> When only quering one shard I get about 5k-6k req/s 
> 
> Are there any known limits and/or work-arounds?
> 
> Thanks,
> 
> Fred.

--------------------------------------------
Grant Ingersoll
Join the LUCENE REVOLUTION
Lucene & Solr User Conference
May 25-26, San Francisco
www.lucenerevolution.org


Mime
View raw message