# 最近几次更新中的内存缓慢增长问题 **URL:** \ **Category:** Self-hosting\ **Tags:** hosting\ **Created:** [2019年五月14日 22:51 UTC](https://meta.discourse.org/t/memory-creep-in-last-couple-of-updates/117746 "2019-05-14T22:51:34Z")\ **Posts on this page:** 1\ **Showing post:** 29
**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年五月21日 07:42 UTC](https://meta.discourse.org/t/memory-creep-in-last-couple-of-updates/117746/29 "2019-05-21T07:42:39Z")
Sidekiq is the thing that does the jobs. Unicorn is for web requests. Running 5 means you can handle 5 “slow” web requests concurrently. Certain web requests like “message bus” and “avatar caching” and “uploads” run in background threads, so the real number of concurrent requests tends to be a lot higher. “concurrent users” highly depends on what the users are doing and logged in vs anon which is heavily cached. I can’t really provide a particular guideline, but I can provide instrumentation that will tell you if there is a problem. > [@Discourse Prometheus](https://meta.discourse.org/t/prometheus-exporter-plugin-for-discourse/72666): > > discourse2Summary Discourse Prometheus is the official [Prometheus](https://prometheus.io/) exporter for Discoursehammer_and_wrenchRepository Link [https://github.com/discourse/discourse-prometheus](https://github.com/discourse/discourse-prometheus)open_bookInstall Guide [How to install plugins in Discourse](https://meta.discourse.org/t/install-plugins-in-discourse/19157) The Discourse Prometheus plugin collects key metrics from Discourse and exposes them in the /metrics path so prometheus can consume them. These metrics can be used to Graph all sorts of data like: Median and 99th percentile time… --- _[View the full topic](https://meta.discourse.org/t/memory-creep-in-last-couple-of-updates/117746)._