Hello everyone!
Do you have any setting that you would change or tweak from the below list?
sudo cat /proc/4379/limits
Limit Soft Limit Hard Limit Units
Max cpu time unlimited unlimited seconds
Max file size unlimited unlimited bytes
Max data size unlimited unlimited bytes
Max stack size unlimited unlimited bytes
Max core file size unlimited unlimited bytes
Max resident set unlimited unlimited bytes
Max processes 32768 32768 processes
Max open files 1048576 1048576 files
Max locked memory unlimited unlimited bytes
Max address space unlimited unlimited bytes
Max file locks unlimited unlimited locks
Max pending signals unlimited unlimited signals
Max msgqueue size unlimited unlimited bytes
Max nice priority 0 0
Max realtime priority 0 0
Max realtime timeout unlimited unlimited us
These are the sysctl settings
default['cassandra']['sysctl'] = {
'net.ipv4.tcp_keepalive_time' => 60,
'net.ipv4.tcp_keepalive_probes' => 3,
'net.ipv4.tcp_keepalive_intvl' => 10,
'net.core.rmem_max' => 16777216,
'net.core.wmem_max' => 16777216,
'net.core.rmem_default' => 16777216,
'net.core.wmem_default' => 16777216,
'net.core.optmem_max' => 40960,
'net.ipv4.tcp_rmem' => '4096 87380 16777216',
'net.ipv4.tcp_wmem' => '4096 65536 16777216',
'net.ipv4.ip_local_port_range' => '10000 65535',
'net.ipv4.tcp_window_scaling' => 1,
'net.core.netdev_max_backlog' => 2500,
'net.core.somaxconn' => 65000,
'vm.max_map_count' => 1048575,
'vm.swappiness' => 0
}
Am I missing something else?
Do you have any experience to configure CENTOS 7
for
JAVA HUGE PAGES
OPTIMIZE SSD
We are using AWS i3.xlarge instances
Thanks,
Sergio
