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Resource Allocation for Linux with Cgroups

Steven Ellis (Red Hat New Zealand)
Average rating: ***..
(3.93, 15 ratings)

With the rapid adoption of Virtualisation CGroups provide an effective way to control resource allocation that would have previously required the deployment of VMWare. They provide a mechanism to meet SLAs and guarantee network, i/o and CPU resources to specific virtual servers.

As CGroups are implemented at a process level they can also be used to manage resource allocation on physical servers.

This talk will provide an overview of the CGroups technology and some simple examples of how to leverage them on both physical and virtual server environments.

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Steven Ellis

Red Hat New Zealand

Steven has been involved in Open Source for over 20 years, and a Linux user for over 15 years. Since moving to New Zealand he has provided technical direction and operational guidance for a number of New Zealand companies on the use of Open Source and Linux. His experience has included over 3 years running the the Linux operations team at IBM NZ, and the development of myPVR a MythTV based PVR solution designed for the New Zealand Market. He now works for Red Hat as a Solution Architect for NZ focusing on Red Hat Enterprise Linux, Virtualisation and cloud.

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Comments

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Steven Ellis
07/29/2011 3:22pm PDT

Thanks for the feedback everyone. I really enjoyed the session.

Personally I’d deprecate the use of Nice if you were really starting to roll out cgroups.

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Federico Lucifredi
07/29/2011 11:27am PDT

Good session. I also liked the idea of using this for audit & monitoring.

Mark Deason
07/29/2011 11:20am PDT

Expected a bit more product maturity. Silly me. Not necessarily a bad thing if concepts are still evolving.

Elliot Shank
07/29/2011 11:15am PDT

I liked the idea of using cgroups for auditing/monitoring.

Harish Pillay
07/29/2011 11:01am PDT

Good stuff, Steven.

Question: what considerations should I have if I use olde time tools like nice with cgroups?

Harish

Joe VanAndel
07/29/2011 10:56am PDT

Interesting talk about CGroups. Nice introduction, and some good demonstrations of how useful CGroups can be.