Splunk on CentOS 6 相关系统参数调整

for Splunk forwarder, indexer, search head

ulimit -n

vi /etc/security/limits.conf

*         soft    nofile       65535
*         hard    nofile       65535

ulimit -u

vi /etc/security/limits.d/90-nproc.conf

*          soft    nproc     65535
*          hard    nproc     65535
root       soft    nproc     65535
root       hard    nproc     65535

disable Transparent Huge Page

echo "echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled" >> /etc/rc.local
echo "echo never > /sys/kernel/mm/redhat_transparent_hugepage/defrag" >> /etc/rc.local
echo "echo no > /sys/kernel/mm/redhat_transparent_hugepage/khugepaged/defrag" >> /etc/rc.local

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