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Subject Solr Streaming Queries Performance Issues [v7.2.1]
Date Thu, 27 Sep 2018 22:52:29 GMT
Hi Guys,

Just to give you context, we were using JSON Facets for doing analytical
queries in solr but they were slower. Hence we migrated our application to
use solr streaming facet queries.

But for last few days, we are observing now that streaming facet response
is slower that json facets. Also we have increased the number of documents
in collection (30%).

So I have couple of questions:

1. When to use JSON Facets and when to use solr streaming facets?
2. Solr streaming also comes with rollup? How is it different from
streaming facets?
3. Is there a way to debug the queries in streaming mode because I tried
debug=true but it is not working in streaming queries.
4. When I don't mention any number of workers for streaming queries, does
all the shards of a collection becomes the workers?

Looking forward to your reply .

Thanks and regards

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