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developerWorks: Improving Linux Kernel Performance and Scalability

Jan 17, 2003, 04:00 (2 Talkback[s])
(Other stories by Sandra K. Johnson, William H. Hartner, William C. Brantley)

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"The Linux operating system is one of the most successful open source projects to date. Linux exhibits high reliability as a Web server operating system, and it has significant market share in this market. Web servers are typically low-end to midrange systems with up to 4-way symmetric multiple processors (SMP); enterprise-level systems have more complex requirements, such as larger processor counts and I/O configurations and significant memory and bandwidth requirements. In order for Linux to be enterprise-ready and commercially viable in the SMP market, its SMP scalability, disk and network I/O performance, scheduler, and virtual memory manager must be improved relative to commercial UNIX systems.

"The Linux Scalability Effort (LSE) is an open source project that addresses these Linux kernel issues for enterprise class machines, with 8-way scalability and beyond.

"The IBM Linux Technology Center's (LTC) Linux Performance Team actively participates in the LSE effort. In addition, their objective is to make Linux better by improving Linux kernel performance with special emphasis on SMP scalability..."

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