Re: Solr 8.3.1 longer query latency over 6.4.2

2020-08-21 Thread Michael Gibney
Hmm... if you're manually constructing phrase queries during pre-parsing, and those are set sow=true, autogeneratePhraseQueries=true, then despite lack of pf, phrase queries could still be a key to this. Would any of the phrase queries explicitly introduced by your pre-parsing hactually trigger au

Re: Solr 8.3.1 longer query latency over 6.4.2

2020-08-20 Thread Elaine Cario
Thanks Michael, I took a look, but we don't have any pf or pf1,2,3 phrase params set at all. Also, we don't add synonyms through Solr filters, rather we parse the user's query in our own application and add synonyms there, before it gets to Solr. Some additional info: we have sow=true (to be com

Re: Solr 8.3.1 longer query latency over 6.4.2

2020-08-19 Thread Michael Gibney
Hi Elaine, I'm curious what happens if you remove "pf" (phrase field) setting from your edismax config? This question brought to mind https://issues.apache.org/jira/browse/SOLR-12243?focusedCommentId=16836448#comment-16836448 and https://issues.apache.org/jira/browse/LUCENE-8531. This *could* have

Solr 8.3.1 longer query latency over 6.4.2

2020-08-19 Thread Elaine Cario
Hi Solr experts, We're in the process of upgrading SolrCloud from 6.4.2 to 8.3.1, and our performance testing is consistently showing search latencies are measurably higher in 8.3.1, for certain kinds of queries it may be as much as 200 ms higher on average. We've seen this now in 2 different env