Use Rails 5.2 Redis caching store
This is the first step in providing a fault-tolerant and distributed Redis caching store. We disable compression to avoid introducing a change that could have an adverse effect in production.
Note that we won't be able to take advantage of the fault-tolerance and distributed features yet until we solve https://gitlab.com/gitlab-org/gitlab-ce/issues/64829.
- redis-rb changes: https://github.com/redis/redis-rb/compare/v3.3.5..v4.1.2
- redis-rack changes: https://github.com/redis-store/redis-rack/compare/v2.0.4..v2.0.5
- redis-activesupport changes: https://github.com/redis-store/redis-activesupport/compare/v5.0.2..v5.0.7
Edited by Stan Hu