Re: How to determine cache setting in Solr Search Instance

2015-07-09 Thread Erick Erickson
I'd examine the filter queries used to see whether they make sense as well. You really have to re-tune after you start getting real user queries though as anything you generate won't reflect reality. I'd start _much_ smaller, 512 or 1024 and work _up_ with real data. Raising the document cache lim

Re: How to determine cache setting in Solr Search Instance

2015-07-09 Thread wwang525
Hi, The real production requests will not be randomly generated, and a lot of requests will be repeated. I think the performance will be better due to the repeated requests. In addition, I am sure the configuration will need to be adjusted once the application is in production. For the time being

Re: How to determine cache setting in Solr Search Instance

2015-07-09 Thread Erick Erickson
It's actually unlikely that increasing the documentCache will help materially. It's primarily so various components won't have to fetch the documents off disk for a _single_ request. I've heard some anecdotal evidence that it helps in some situations, but that's been rare in my experience. Your fi

Re: How to determine cache setting in Solr Search Instance

2015-07-09 Thread Shawn Heisey
On 7/9/2015 9:48 AM, wwang525 wrote: > I did a load test with a total of 800 requests (at 40 concurrent requests > per second) to be executed against Solr index with 14 M records. Performance > was good (< 1 second) especially after a short period of time of the test. > BTW, the second round of loa