Configuring Huge Page Memory

Procedure

1. Set the number and size of huge pages.

   echo 256 > /sys/kernel/mm/hugepages/hugepages-524288kB/nr_hugepages

   

   The huge page size is 512 MB. You can set the number of huge pages as required on the basis that the SPDK and eight 4U VMs are used. In this example, 256 huge pages are used.

2. Check whether huge pages are successfully configured.

   cat /proc/meminfo | grep -i huge

   1 2 3 4 5 6 7 8

   AnonHugePages: 0 kB ShmemHugePages: 0 kB HugePages_Total: 256 HugePages_Free: 256 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 524288 kB Hugetlb: 134217728 kB