# 预期第99百分位性能

**URL:** https://meta.discourse.org/t/expected-99th-percentile-performance/111924
**Category:** Support
**Created:** [2019年三月18日 13:36 UTC](https://meta.discourse.org/t/expected-99th-percentile-performance/111924 "2019-03-18T13:36:25Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)
#### Post date: [2019年三月19日 04:27 UTC](https://meta.discourse.org/t/expected-99th-percentile-performance/111924/2 "2019-03-19T04:27:34Z")

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Looking at the graphs it looks like Postgres is choking.

On our hosted installs very busy sites will sit on 99th percentile below 400ms on a bad day.

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_[View the full topic](https://meta.discourse.org/t/expected-99th-percentile-performance/111924)._