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From Toke Eskildsen <>
Subject Re: slow solr facet processing
Date Mon, 04 Sep 2017 10:38:31 GMT
On Mon, 2017-09-04 at 13:21 +0300, Ere Maijala wrote:
> Thanks for the insight, Yonik. I can confirm that #2 is true. I ran
> <optimize maxSegments="1" waitSearcher="true"/>
> and after it completed I was able to retrieve 2000 values in 17ms.

Very interesting. Is this on spinning disks or SSD? Is your index data
cached in memory? What I am aiming at is if this is primarily a "many
relatively slow random access"-thing or more due to the way DocValues
are represented in the segments (the codec).

- Toke Eskildsen, Royal Danish Library

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