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From Toke Eskildsen <>
Subject Re: Solr7: Very High number of threads on aggregator node
Date Sat, 18 Nov 2017 17:49:17 GMT
Nawab Zada Asad Iqbal <> wrote:
> ... The peak number of threads during my testing were around 4000 or so.

I don't know why Solr 7 behaves different from Solr 4.

Do you really have a setup where you get higher throughput with 4000 concurrent requests instead
of, for example, 200 concurrent requests and a queue to hold the rest? Even with an overprovisioning
of 4 requests/CPU-core to get them running close to 100% we're talking 1000 CPU-cores in your

- Toke Eskildsen

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