Large scale Internet services drive the need for warehouse-scale machines (WSM). We notice that more and more services have migrated to Internet-based, especially after the release of Chrome OS + Chrome App Store. In the near future, industry would really need experts in the field of WSM design and implementation.
In this paper, Google shared some of their insights gained while fine tuning their own WSMs. WSM is different from traditional datacenters in that servers in WSM are relatively homogenous, are maintained by one group, and function more like a single machine . WSM presents challenges in design from their shear scale, high rate of hardware failures, and cost/performance trade off. Software infrastructures and software frameworks running on WSM is also difficult to write because they need to address different needs of apps (online or batch processing), varieties within the system (different access rate within rack and among racks), and detect/rectify failures.
I'm not familiar with traditional datacenter to compare.
No comments:
Post a Comment