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hugepages
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Benefits of Huge Pages
Introduction If you read my recent post, Backing Your Guests With Huge Pages , you might remember me mentioning that the ability to back your KVM guests with hugepages is on its way to OpenStack. This functionality is planned for the Juno release. If you are just learning about hugepages, as I am, you may be wondering how this functionality could benefit you. What This Means for OpenStack OpenStack Compute, also known as Nova, is a feature rich service that streamlines the creation, use, and management of virtual... [More]
Tags: optimization juno openstack ibm-planet-openstack hugepages |
Backing Your Guests With HugePages
Introduction OpenStack supports many features found in libvirt. Not currently among these features is the ability to back your KVM guests with hugepages. While this post is directed at those who have a desire to back their guests with hugepages, and therefore are familiar with them, I'm going to take a moment to explain what hugepages are. Hugepages are, as the name suggests, pages that are larger than the standard size. For example, on one machine you may have a standard page size of 4kB and a hugepage size of 2048 kB. Here are a few... [More]
Tags: virt-install openstack hugepages ibm-planet-openstack libvirt virsh juno |
