Rating: 
Summary: Good reading for Solaris admins
Review: This book rocks. It gives you a very detailed view of different pieces of the system, and even goes on to debunk some of the more outrageous comptetitors claims. Lots of tunig tricks and explanations of why they will or won't work. I'm an experienced Solaris admin (~3 years) and I still got a lot of new info.
Rating: 
Summary: Essential Library Additon for Solaris professionals
Review: This is a book for all Solaris professionals and non-professionals who have to deal with performance issues on the Solaris platform. Gives much needed nuts and bolts approach to performance analysis and give behind the scenes details. Some sections are too technical for novices and even Solaris Administrators familiar with many programming concepts and architectural issues may struggle with some technical discussions. Negatives: Some sections are a little preachy toward the Solaris operating sytem. This shouldn't be a surprise since it's written by Sun Employees about Solaris. Sometimes technical illustrations of tuning result in this version of Solaris do XYZ, but we fixed it with patches or it was resolved in an operating system upgrades. This leaves you saying in some cases that's real nice, but all I have to do is upgrade or patch Solaris instead of tune it. Positives: Most administrators and UNIX system professionsals are starved for this type of information. There are few technical courses of this type available and don't always go into this level of detail. Generally, it's very well presented on a subject that can be difficult to present in a capativating way.
Rating:
Summary: Great book for in depth System info, needs info for X86!
Review: This is a great book for an understanding of Solaris Systems, it covers a wide variety of topics and features. There isn't alot of tunining info in it though, and it seems more geared to understanding your system rather than changing. One thing I disliked was the lack of coverage of Solaris for Intel Versions.
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