Hello FF, Something like SPM for Solr will help you understand what's making Solr slow - CPU maxed? Disk IO? Swapping? Caches too small? ...
There are no general rules/recipes, but once you see what is going on we can provide guidance. Yes, you can have 1 or more replicas of a shard. Otis -- Solr & ElasticSearch Support http://sematext.com/ On Mon, Jan 7, 2013 at 12:14 PM, f.fourna...@gibmedia.fr < f.fourna...@gibmedia.fr> wrote: > Hello, > I'm new in SOLR and I've a collection with 25 millions of records. > I want to run this collection on SOLR Cloud (sorl 4.0) under Amazon EC2 > instances. > Currently I've configured 2 shards and 2 replica per shard with Medium > instances (4Go, 1 CPU core) and response times are very long. > How to size the cloud (sharding, replica, memory, CPU,...) to have > acceptable response times in my situation? more memory ? more cpu ? more > shards ? Does rules to size a solr cloud exists ? > Is it possible to have more than 2 replicas on one shard ? is it relevant ? > Best regards > FF >
