RE: Solr dual core performance

2016-07-20 Thread Shweta Udapudi
need some statistics to make an informed decision, hence the test. Thank you Shweta -Original Message- From: Upayavira [mailto:u...@odoko.co.uk] Sent: Wednesday, July 20, 2016 4:25 AM To: solr-user@lucene.apache.org Subject: Re: Solr dual core performance Having the same data as two core

Re: Solr dual core performance

2016-07-20 Thread Upayavira
Having the same data as two cores (even on different disks) on the same instance is, I'd say, pointless. Basically, Solr makes heavy use of memory to cache the data you have on disk - whether as in-heap caches, or the OS disk cache, i.e. memory not allocated to the JVM. By having two cores the sa

Re: Solr dual core performance

2016-07-19 Thread Erick Erickson
I strongly suspect you're not getting "real" searches, but are hitting your query result cache or perhaps some other cache. 1.24ms response times are quite unusual. So check the Solr queryResultCache hit ratio, whether any fronting HTTP caching is being hit and the like would be my first step. Al

RE: Solr dual core performance

2016-07-19 Thread Shweta Udapudi
Most important information solr-spec 5.4.1 solr-impl 5.4.1 1725212 - jpountz - 2016-01-18 11:51:45 lucene-spec 5.4.1 lucene-impl 5.4.1 1725212 - jpountz - 2016-01-18 11:44:59 java version "1.7.0_79" OpenJDK Runtime Environment (IcedTea 2.5.6) (7u79-2.5.6-0ubuntu1.12.04.1) OpenJDK 64-Bit Server V