Did you re-work your schema at all? There are new primitive types, new lucene versions, DocValue's, etc
On Wed, Sep 16, 2020 at 12:40 PM Keene Chen <kc...@mintel.com> wrote: > > Hi, > > Thanks for pointing that out. I've linked the images below: > > solr5_response_times.png > <https://gcdt-solr-tests-public.s3-eu-west-1.amazonaws.com/solr5_response_times.png> > > solr8_response_times.png > <https://gcdt-solr-tests-public.s3-eu-west-1.amazonaws.com/solr8_response_times.png> > > solr5_throughput.png > <https://gcdt-solr-tests-public.s3-eu-west-1.amazonaws.com/solr5_throughput.png> > > solr8_throughput.png > <https://gcdt-solr-tests-public.s3-eu-west-1.amazonaws.com/solr8_throughput.png> > > Regards, > Keene > > > On Wed, 16 Sep 2020 at 09:09, Colvin Cowie <colvin.cowie....@gmail.com> > wrote: > > > Hello, > > > > Your images won't appear on the mailing list. You'll need to post them > > elsewhere and link to them. > > > > On Tue, 15 Sep 2020 at 09:44, Keene Chen <kc...@mintel.com> wrote: > > > > > Hi Solr users community, > > > > > > > > > We have been doing some performance tests on Solr 5.5.2 and Solr 8.5.2 as > > > part of an upgrading process, and we have noticed some reduced > > performance > > > for certain types of requests, particularly those that requests a large > > > number of rows, eg. 10000. Would anyone have an explanation as to why the > > > performance degrades, and what areas can be looked at in order to improve > > > its performance? > > > > > > The performance test example below was carried out using 18000 of such > > > queries, running at a constant throughput as specified by the label in > > the > > > x-axis. “Rpm” here stands for “requests per minute”. > > > > > > Solr 8.5’s maximum response times are consistently better. However, the > > > 95th and 99th percentile are comparably worse than Solr 5.5’s response > > > times. > > > [image: image.png] > > > [image: image.png] > > > > > > The maximum throughput for solr 8.5 is reached sooner than Solr 5.5 at > > > around 4 requests per second. > > > > > > > > > [image: image.png] > > > [image: image.png] > > > > > > Regards, > > > Keene > > > > > > -- > > > > > > > > > Keene Chen | Senior Software Developer > > > > > > > > > > > > Connect with us > > > > > > LinkedIn <https://www.linkedin.com/company/mintel/> Twitter > > > <https://twitter.com/mintelnews> Instagram > > > <https://www.instagram.com/mintelnews/> Facebook > > > <https://www.facebook.com/MintelGroup/> News > > > <https://www.mintel.com/press-centre> Blog <https://www.mintel.com/blog > > > > > > > > > <https://www.mintel.com/> > > > > > > > > > > > > Mintel Group Ltd | 11 Pilgrim Street | London | EC4V 6RN > > > Registered in England: Number 1475918. | VAT Number: GB 232 9342 72 > > > > > > Contact details for our other offices can be found at > > > http://www.mintel.com/office-locations. > > > > > > This email and any attachments may include content that is confidential, > > > privileged > > > or otherwise protected under applicable law. Unauthorised disclosure, > > > copying, distribution > > > or use of the contents is prohibited and may be unlawful. If you have > > > received this email in error, > > > including without appropriate authorisation, then please reply to the > > > sender about the error > > > and delete this email and any attachments. > > > > > > > > > > > > Mintel Group Ltd | 11 Pilgrim Street | London | EC4V 6RN > > > Registered in England: Number 1475918. | VAT Number: GB 232 9342 72 > > > > > > Contact details for our other offices can be found at > > > http://www.mintel.com/office-locations. > > > > > > This email and any attachments may include content that is confidential, > > > privileged > > > or otherwise protected under applicable law. Unauthorised disclosure, > > > copying, distribution > > > or use of the contents is prohibited and may be unlawful. If you have > > > received this email in error, > > > including without appropriate authorisation, then please reply to the > > > sender about the error > > > and delete this email and any attachments. > > > > > > > > > > -- > > Mintel Group Ltd | 11 Pilgrim Street | London | EC4V 6RN > Registered in > England: Number 1475918. | VAT Number: GB 232 9342 72 > > Contact details for > our other offices can be found at http://www.mintel.com/office-locations > <http://www.mintel.com/office-locations>. > > This email and any attachments > may include content that is confidential, privileged > or otherwise > protected under applicable law. Unauthorised disclosure, copying, > distribution > or use of the contents is prohibited and may be unlawful. If > you have received this email in error, > including without appropriate > authorisation, then please reply to the sender about the error > and delete > this email and any attachments. >