Basic Docker image to run Cassandra as user app (999:999)
Perf settings:
- /etc/security/limits.conf
- app - memlock unlimited
- app - nofile 80000
- app - nproc 60000
- app - as unlimited
- /etc/sysctl.conf
- vm.max_map_count = 1048575
- vm.swappiness=1
- net.ipv4.tcp_fin_timeout = 30
- net.ipv4.tcp_tw_reuse = 1