Re: solr qtime suddenly increased in production env

2013-08-05 Thread Shawn Heisey
On 8/5/2013 11:27 AM, adfel70 wrote: Thanks for your detailed answer. Some followup questions: 1. Are there any tests I can make to determine 100% that this is a "not enough RAM" scenario"? For heap size problems, turn on GC logging. Look at the log or run it through an analysis tool like G

Re: solr qtime suddenly increased in production env

2013-08-05 Thread adfel70
Thanks for your detailed answer. Some followup questions: 1. Are there any tests I can make to determine 100% that this is a "not enough RAM" scenario"? 2. Sounds like I always need to have as much RAM as the size of the index I this really a MUST for getting good search performance? Shawn Hei

Re: solr qtime suddenly increased in production env

2013-08-05 Thread Shawn Heisey
On 8/5/2013 10:17 AM, adfel70 wrote: I have a solr cluster of 7 shards, replicationFactor 2, running on 7 physical machines. Machine spec: cpu: 16 memory: 32gb storage is on local disks Each machine runs 2 solr processes, each process with 6gb memory to jvm. The cluster currently has 330 millio