Hi Andy,

Have you run performance benchmarking for sometime and made sure that the
Solr Caching and GC doesn't impact the performance? I recommend that you
should rebuild the performance matrix after few warmups and requests. Have
you invalidated this?

On Fri, 18 Oct 2019 at 12:35, Jan Høydahl <jan....@cominvent.com> wrote:

> Hi,
>
> Did you find a solution to your performance problem?
>
> --
> Jan Høydahl, search solution architect
> Cominvent AS - www.cominvent.com
>
> > 17. jun. 2019 kl. 17:17 skrev Andy Reek <andy.r...@diva-e.com>:
> >
> > Hi Solr team,
> >
> > we are using Solr in version 7.1 as search engine in our online shop
> (SAP Hybris). And as a task I needed to migrate to the most recent Solr in
> version 7 (7.7). Doing this I faced extreme performance issues. After
> debugging and testing different setups I found out, that they were caused
> by the parameter wt=javabin. These issues begin to raise since version 7.7,
> in 7.6 it is still working as fast as in 7.1.
> >
> > Just an example: Doing a simple query for *.* and wt=javabin in 7.6: 0.2
> seconds and in 7.7: 34 seconds!
> >
> > The configuration of the schema.xml and solrconfig.xml are equal in both
> versions. Version 8.1 has the same effect as 7.7. Using something other
> than wt=javabin (e.g. wt=xml) will work fast in every version - which is
> our current workaround.
> >
> >
> > To reproduce this issue I have attached my used configsets folder plus
> some test data. This all can be tested with docker and wget:
> >
> > Solr 7.6:
> > docker run -d --name solr7.6 -p 8983:8983 --rm -v
> $PWD/configsets/default:/opt/solr/server/solr/configsets/myconfig:ro
> solr:7.6-slim solr-create -c mycore -d
> /opt/solr/server/solr/configsets/myconfig
> > docker cp $PWD/data.json solr7.6:/opt/solr/data.json
> > docker exec -it --user solr solr7.6 bin/post -c mycore data.json
> > wget "
> http://localhost:8983/solr/mycore/select?q=*:*&wt=javabin&rows=9999 <
> http://localhost:8983/solr/mycore/select?q=*:*&wt=javabin&rows=9999>"
> > (0.2s)
> >
> > Solr 7.7:
> > docker run -d --name solr7.7 -p 18983:8983 --rm -v
> $PWD/configsets/default:/opt/solr/server/solr/configsets/myconfig:ro
> solr:7.7-slim solr-create -c mycore -d
> /opt/solr/server/solr/configsets/myconfig
> > docker cp $PWD/data.json solr7.7:/opt/solr/data.json
> > docker exec -it --user solr solr7.7 bin/post -c mycore data.json
> > (34s)
> >
> > For me it seems like a bug. But if not, then please let me know what I
> did wrong ;-)
> >
> >
> > Best Regards,
> >
> > Andy Reek
> > Principal Software Developer
> >
> > diva-e Jena
> > Mälzerstraße 3, 07745 Jena, Deutschland
> >
> > T:       +49 (3641) 3678 (223)
> > F:       +49 (3641) 3678 101
> > andy.r...@diva-e.com <mailto:andy.r...@diva-e.com>
> >
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> > ____________________________________________
> >
> > diva-e AGETO GmbH
> > Handelsregister: HRB 210399 Amtsgericht Jena
> > Geschäftsführung: Sascha Sauer, Sirko Schneppe, Axel Jahn
> > <solrConfigAndData.zip>
>
>

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