Huge Pages in CentOS 6

To check the size and amount of Huge Pages use:

This should so something like:

To change the number of HugePages use the following:

This would allocate 2560x2048kB = 5GB

To check the impact on memory:

Reset Huge Pages

The change can be applied permanently in /etc/sysctl.conf but to switch the number of Huge Pages back to zero:

And check again with:

 

 

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