Hey there! I’ve been performing some load tests on a Discourse instance and I noticed that when repeatedly fetching the same comment thread over and over the Redis cache hit rate went down, rather than up, which was a bit unexpected (for a mixture of reads/writes we saw a cache hit rate of up to 85…

[صورة] griegm: Does being logged-in/logged-out impact cache hit rates? For reference, the load test mentioned above was using an admin API key. This is the main thing here. The most aggressive cache happens for anonymous requests, so I’d suggest retrying the load test with some anon robots. …

Awesome, thanks for the super helpful response!

I just re-ran the load test but with anonymous requests this time around, and we saw a huge performance improvement! Previously we were only able to hit around 25 requests per second on a single host, now we can hit 380! The Redis cache hit rate also went up from ~22% to ~66%. :slight_smile: Just t…

مزيد من التفاصيل حول كيفية استخدام ذاكرة التخزين المؤقت لـ Redis؟

مطور

griegm 16 سبتمبر 2021، 5:15ص 3

رائع، شكرًا لك على الرد المفيد للغاية!

إعجاب واحد (1)

الموضوع		الردود	مرات العرض
What type of details does redis store? Self-hosting	2	428	21 مارس 2023
What does Discourse use Redis for? Dev	5	3381	18 أغسطس 2022
Using Redis then dump data is just great Dev	4	1023	12 أبريل 2016
How Discourse handle high HTTP request? Dev	2	588	12 مارس 2019
Huge increase in Redis use after changing hosts Self-hosting	9	1366	14 مارس 2021

مزيد من التفاصيل حول كيفية استخدام ذاكرة التخزين المؤقت لـ Redis؟

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