April 1998
Intermediate to advanced
624 pages
16h 11m
English
book
Sun Performance and Tuning: Java™ and the Internet, Second Edition
by Adrian Cockcroft, Richard Pettit
Content preview from Sun Performance and Tuning: Java™ and the Internet, Second Edition
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
Tunable Parameters
The kernel tunable values listed in this book include the main tunables that are worth worrying about. A huge number of global values are defined in the kernel; if you hear of a tweak that is not listed here or in “Tunables Quick Reference” on page 557, think twice before using it. The algorithms, default values, and existence of many of these variables vary from one release to the next. Do not assume that an undocumented tweak that works well for one kernel will apply to other releases, other kernel architectures of the same release, or even a different patch level.
The Ones That Went Away
I looked at HP-UX 9.0 on an HP9000 server; the sam utility provides an interface for kernel configuration. Like Solaris 1/SunOS 4, the ...