Commit f4398835 authored by Sytse Sijbrandij's avatar Sytse Sijbrandij

Some background on Redis and Sidekiq requirements.

parent 614e0857
...@@ -84,7 +84,15 @@ If you have enough RAM memory and a recent CPU the speed of GitLab is mainly lim ...@@ -84,7 +84,15 @@ If you have enough RAM memory and a recent CPU the speed of GitLab is mainly lim
## Database ## Database
If you want to run the database separately, the **recommended** database size is **1 MB per user** If you want to run the database separately, the **recommended** database size is **1 MB per user**.
## Redis and Sidekiq
Redis stores all user sessions and the background task queue.
The storage requirements for Redis are minimal, about 1kB per user.
Sidekiq processes the background jobs with a multithreaded process.
This process starts with the entire Rails stack (200MB+) but it can grow over time due to memory leaks.
On a very active server (10.000 active users) the Sidekiq process can use 1GB+ of memory.
## Supported webbrowsers ## Supported webbrowsers
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