Re: Massively unbalanced CPU by different SOLR Nodes

2020-10-24 Thread Jonathan Tan
Hi Shalin, Yes we are as a matter of fact! We're preferring local replicas, but given the description of the bug, is it possible that that's forcing some other behaviour where - given equal shards - it will always route to the same shard? Not 100% sure if I understand it. That said, thank you, we'

Re: Massively unbalanced CPU by different SOLR Nodes

2020-10-24 Thread Shalin Shekhar Mangar
Hi Jonathan, Are you using the "shards.preference" parameter by any chance? There is a bug that causes uneven request distribution during fan-out. Can you check the number of requests using the /admin/metrics API? Look for the /select handler's distrib and local request times for each core in the

Difference in scoring for Solr 4.8.x vs 8.6.2 (BoostQuery vs FunctionScoreQuery)

2020-10-24 Thread Amrit Sarkar
Hi, We are upgrading a Solr setup from Solr 4.8.x to 8.6.0 and for the following query, the parsed strings are different. We read through improvements and I understand Solr 4.8.x had FunctionQuery (BoostQuery) for default scoring, while Solr 8.x have FunctionScoreQuery. *Raw Query* select?df=dum