redis-configure-host

Docker image that reconfigures the host for Redis.

• Enables overcommit_memory. (https://redis.io/topics/faq#background-saving-fails-with-a-fork-error-under-linux-even-if-i-have-a-lot-of-free-ram)
• Disables Transparent Huge Pages (THP). (redis/docker-library-redis#55)

Usage

Run one time manually:

$ docker run --privileged --rm -v /proc/sys/vm:/mnt/vm -v /sys/kernel/mm/transparent_hugepage:/mnt/transparent_hugepage interaction/redis-configure-host

Or as a service in your docker-compose.yml:

redis-configure-host:
  image: interaction/redis-configure-host
  privileged: true
  volumes:
    - /proc/sys/vm:/mnt/vm
    - /sys/kernel/mm/transparent_hugepage:/mnt/transparent_hugepage