February 14, 2005
Red Hat Enterprise Linux 4
Productivity, security and stability are at the core of the latest version of Red Hat's Enterprise Linux. I tested the Release Candidate model of RHEL 4 in our Green Bay, Wis., Real-World LabsÂ® and our NWC Inc. business applications labs, and verified the soundness of some of its new features. Fine-Grained Tuning RHEL 4 includes modifications to the virtual memory and I/O sub-system, as well as a more generic logical processor task scheduler that accommodates both hyperthreaded and multicore technologies. Not only can administrators use larger disk partitions, they also can choose an I/O schedule to optimize server performance based on the applications being deployed. RHEL 4's core setup options include.