Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-31 Thread Sidharth Negi
Update: Solr 6 and Solr 8 both parsed the same input query differently. Is this an expected difference given that the config and schema are the same. I suspect this difference could also be a reason for the difference in CPU performance. How can I tweak Solr 8 to parse the given query as *BoostQue

Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-26 Thread Shawn Heisey
On 8/26/22 14:18, Sidharth Negi wrote: The disk space taken by the index of both Solr versions was about ~35 GB and the number of docs ~30 million in both. Unless that system is handling insanely complex queries that chew up lots of memory, I would not expect it to need more than about 8GB of

Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-26 Thread Sidharth Negi
Errata: I meant 80k requests per minute and NOT 80k per second. On Sat, Aug 27, 2022 at 1:48 AM Sidharth Negi wrote: > Interesting to note that when I ran the experiment with Solr 9, the CPU > usage was about the same as Solr 6. > > On Fri, Aug 26, 2022 at 7:02 PM Shawn Heisey > wrote: > >> On

Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-26 Thread Sidharth Negi
Interesting to note that when I ran the experiment with Solr 9, the CPU usage was about the same as Solr 6. On Fri, Aug 26, 2022 at 7:02 PM Shawn Heisey wrote: > On 8/26/22 02:55, Sidharth Negi wrote: > > We set up Solr 6 and Solr 8 on two identical AWS instances (16 cores, > > 128 GB of which S

Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-26 Thread Deepak Goel
Are the response times the same for the 2 machines? Or is Solr8 faster than Solr6? Deepak "The greatness of a nation can be judged by the way its animals are treated - Mahatma Gandhi" +91 73500 12833 deic...@gmail.com Facebook: https://www.facebook.com/deicool LinkedIn: www.linkedin.com/in/deic

Re: Solr 6 vs Solr 8 considerable performance gap

2022-08-26 Thread Shawn Heisey
On 8/26/22 02:55, Sidharth Negi wrote: We set up Solr 6 and Solr 8 on two identical AWS instances (16 cores, 128 GB of which Solr was given Xmx=50GB) and indexed the same data on them and tested under the same load of traffic. The schema and solrconfig.xml are exactly identical - the schema fil