dix-icomys/k8s-memory-flusher

Clean OS memory cache on Kubernetes worker

Clean OS memory cache on Kubernetes node

DeamonSet which pulls memory statistics of kubernetes node and flush it if limit is reached.

Details: https://linux-mm.org/Drop_Caches

Usage

Usage of ./flusher:
  -buffers_limit string
      Maximum cache buffer size (default "10 MB")
  -cached_limit string
      Maximum cached memory size (default "900 MB")
  -drop_caches_file_path string
      Mounted host file path (default "/var/host_sys_vm/drop_caches")
  -interval int
      Timeout in seconds (default 360)
  -reset_cache_option int
      Option to reset (default 1)

Build

make all

Install

helm install --name k8s-memory-flusher chart/

helm upgrade k8s-memory-flusher chart/

helm delete k8s-memory-flusher