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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. > >
