Shut down THP of Splunk health check

One 、 brief introduction

　　 Centos6 Start introducing THP,Centos7 Enabled by default , Used to improve memory performance .

Two 、 explain

　　 Compete against some databases , Such as Oracle、MariaDB、MongoDB、VoltDB When use , requirement Close this function .

3、 ... and 、 See if... Is enabled

[[email protected] ~]# cat /sys/kernel/mm/transparent_hugepage/defrag
[always] madvise never
[[email protected] ~]# cat /sys/kernel/mm/transparent_hugepage/enabled
[always] madvise never

Four 、 Ban

　　 edit rc.local Startup file .

[[email protected] ~]# vim /etc/rc.d/rc.local
 Add the following ：
if test -f /sys/kernel/mm/transparent_hugepage/enabled; then
echo never > /sys/kernel/mm/transparent_hugepage/enabled
fi
if test -f /sys/kernel/mm/transparent_hugepage/defrag; then
echo never > /sys/kernel/mm/transparent_hugepage/defrag
fi

　　 Save and exit , And then to rc.local Add executable rights .

[[email protected] ~]# chmod +x /etc/rc.d/rc.local

　　 The last restart .

--

If it doesn't restart ：echo never > /sys/kernel/mm/transparent_hugepage/enabled

Then proceed splunk --> setting --> monitor console --> health check, You will also be prompted to pass .

Otherwise, it will prompt ： Here's the picture ：（ The following figure shows yes 37 platform splunk server No ban THP）