RE: Helpful new JVM parameters

2011-03-17 Thread Dyer, James
Li Li [mailto:fancye...@gmail.com] Sent: Thursday, March 17, 2011 10:38 PM To: solr-user@lucene.apache.org Subject: Re: Helpful new JVM parameters will UseCompressedOops be useful? for application using less than 4GB memory, it will be better that 64bit reference. But for larger memory using applica

Re: Helpful new JVM parameters

2011-03-17 Thread Li Li
will UseCompressedOops be useful? for application using less than 4GB memory, it will be better that 64bit reference. But for larger memory using application, it will not be cache friendly. "JRocket the definite guide" says: "Naturally, 64 GB isn't a theoretical limit but just an example. It was me

Re: Helpful new JVM parameters

2011-03-17 Thread Jonathan Rochkind
Awesome, very helpful. Do you maybe want to add this to the Solr wiki somewhere? Finding some advice for JVM tuning for Solr can be challenging, and you've explained what you did and why very well. On 3/17/2011 2:59 PM, Dyer, James wrote: We're on the final stretch in getting our product data

Helpful new JVM parameters

2011-03-17 Thread Dyer, James
We're on the final stretch in getting our product database in Production with Solr. We have 13m "wide-ish" records with quite a few stored fields in a single index (no shards). We sort on at least a dozen fields and facet on 20-30. One thing that came up in QA testing is we were getting full