Hi Vishal, Knowing exactly where the time is spent will be helpful. Is your data set (umber of documents) same in both versions? can your share snippet with debug=true for both versions.
refer this for more details on debug param: https://solr.apache.org/guide/6_6/common-query-parameters.html#CommonQueryParameters-ThedebugParameter On Fri, Nov 12, 2021 at 5:08 PM Dominic Humphries <domi...@adzuna.com.invalid> wrote: > It's not exactly an answer, but we've also experienced slowness when trying > to upgrade. Our testing showed we started seeing degraded performance from > v8.6 - if 8.5.2 would be "new enough" for you, it may be worth testing > performance with that version to see if it's any better. > > On Fri, 12 Nov 2021 at 10:58, VIshal Patel <vishalpatel202...@outlook.com> > wrote: > > > Hello, > > > > > > We have upgraded Solr from 6.1.0 to 8.9.0. After upgrade we are facing > > slowness when returning field with *. > > > > > > Solr 8.9.0 [300 milliseconds] > > http://XX.XX.XX.XX:XXXX > > /solr/forms/select?q=id%3AFORM27248682964899&fl=*ORI_FORMTITLE> > > > > Solr 6.1.0 [15 milliseconds] > > http://XX.XX.XX.XX:XXXX > > /solr/forms/select?q=id:FORM1011547110139542&&fl=*ORI_FORMTITLE > > > > Can someone check and suggest possible root cause/changes to solve this > > issue. > > > > Regards, > > Vishal. > > > -- Best Regards, Dinesh Naik
