In January, we upgraded Solr from version 6 to 8 skipping all versions in
between.

The hardware and Solr configurations were kept the same but we still faced
degradation in response time by 30-50%. We had exceptional Query times
around 25 ms with Solr 6 and now we are hovering around 36 ms.

Since response times under 50 ms are very good even for Auto-Suggest, we
have not tried any changes regarding this. Nevertheless, you can try using
Caffeine Cache. Looking forward to read community inputs as well.



On Thu, 16 Apr 2020 at 01:34, ChienHuaWang <chien-hua.w...@sap.com> wrote:

> Do anyone have experience to upgrade the application with Solr 7.X to 8.X?
> How's the query performance?
> Found out a little slower response time from application with Solr8 based
> on
> current measurement, still looking into more detail it.
> But wondering is any one have similar experience? is that something we
> should expect for Solr 8.X?
>
> Please kindly share, thanks.
>
> Regards,
> ChienHua
>
>
>
> --
> Sent from: https://lucene.472066.n3.nabble.com/Solr-User-f472068.html
>


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Regards,

*Paras Lehana* [65871]
Development Engineer, *Auto-Suggest*,
IndiaMART InterMESH Ltd,

11th Floor, Tower 2, Assotech Business Cresterra,
Plot No. 22, Sector 135, Noida, Uttar Pradesh, India 201305

Mob.: +91-9560911996
Work: 0120-4056700 | Extn:
*1196*

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