Thank you for your reply, we found the root cause.
It's our own fault.
At 2022-06-01 00:36:57, "Michael Gibney" <mich...@michaelgibney.net> wrote:
>`json.facet` covers a lot of ground and can do a lot of different
>things under the hood. Would you be able to share more specific
>information about the kinds of `json.facet` request you're making,
>configuration of the fields in question, etc.?
>
>On Tue, May 31, 2022 at 11:54 AM slly <sll...@126.com> wrote:
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>> Hello everyone.
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>> We recently upgraded our online environment to a new solr version(8.9.0)
>> from 7.3, we found that facet query performance decreased a lot.
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>> Solr 7.3 take about 100 milliseconds, but Solr 8.9 may take about 500
>> milliseconds. We exclude the effects of GC and caching.
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>> Are there any changes in Solr/Lucene that affect query performance?
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>> Thanks.
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