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VMware vSphere 6.5 Host Resources Deep Dive Paperback – 20 Jun. 2017
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There is a wealth of information in this book, and will serve as a reference for a very long time to come.
If you're a vSphere Administrator and work with the product day-to-day then this will be an essential tool in your arsenal. It will challenge a number of "best practices", ie something you've always done but can't remember the reasons for it. Do you set your ESXi hosts to the High Performance power setting? If so, why? Is it better to buy servers with 256GB or 384GB of RAM?
The book covers the main pillars of host resources such as compute, networking and storage. Leading technologies such as
VMware vSAN and NSX are covered, and will give you the information you need to ensure your implementation goes as smooth as possible.
This book is a weighty tomb of information. It is by no means a quick read, but I'm confident it'll be something you'll go back to again and again.
I have not rushed to write a review of this book for two reasons, firstly I wanted to do it justice, and that meant that I needed to read it properly. The second reason is that this is a big book with well over 560 pages of content, and that requires some time!
Structurally, the book is broken into four sections (CPU resources, RAM resources, Storage resources and Network resources). Each section takes you through the physical architecture of the components, how the component is integrated into the system as a whole, how they relate to and are consumed by the virtualisation layer, and throughout there are design and management considerations. You only need to look at the calibre of the people writing the preface for each section to know that this book has gravitas: Pat Gelsinger, Carl Waldspurger, Christos Karamanolis and Andrew Lambeth (if those names don’t mean anything to you then do a quick search!)
A lot has been said by other reviewers about the depth of this “deep dive”, and I have to echo these sentiments. What’s really exceptional is the authors have gone deep on the individual topics (that are in themselves complex and difficult to understand) but also laid them out with a logical and methodical approach including how they each interrelate.
One thing I love about the book, and which especially appeals to me as an ex graphic designer, is the quality of the diagrams, typography and layout. It is easy to read and flows well, but what really sets it apart are the diagrams (check out these examles on Frank’s blog) which take complex technical ideas and make them easy to digest. They say a picture is worth a thousand words - in this case it's definitely true. That’s not to say that the words are any less valuable, the clarity of the written information in the book is particularly impressive when you remember that English is neither Frank nor Niels’ first language - it is a testament to their understanding of the subject matter.
If you work with vSphere, I highly recommend you get your hands on a copy of this book! You can expect to be educated and develop a much deeper understanding of the architecture and consumption of physical host resources in a vSphere environment. This is not a book you’ll read and be done with - it’ll be a reference you’ll pull off the shelf again and again.
It’s not often I read a book and can recommend it so enthusiastically (when I read a glowing five-star review my skeptic alarm immediately sounds and I suspect either sycophantic crony-ism or shameless self-promotion) but this is a genuinely good book - one that I will happy recommend, skeptics be damned!
The blurb from the book does speak for itself, and I have to tell you – I learned a lot reading this book – about how CPUs work, QPI speeds, high/low core count procs, non-local memory access, right down to on-die cache snooping protocols. How storage protocols, drivers and busses work as well as the vmkernel level tuning of all four components of host resourcing.
This book is a bit of a monster. It comes in at almost 600 pages and it is going to take you a while to absorb all of its content – but it does convey the information clearly in a logical manner that can be easily understood, and that’s what you want from highly technical content like this. The diagrams are excellent and easy to follow – the guys have outdone themselves here, and complex concepts or topics are broken down into easy to manage sections.
So get out there and buy it, I cannot recommend it enough, buy some for your team – whatever, just go forth, and learn!
Top international reviews
Frank Denneman hat hier zusammen mit Niels Hagoort ein Referenzwerk abgeliefert, das seinesgleichen sucht. Alle performancerelevanten Bereiche von ESXi werden eingehend und in beeindruckender technischen Tiefe beleuchtet und Handlungsempfehlungen zur optimalen Konfiguration werden ebenfalls erteilt.
Dank dieses Buches kann man einiges - nicht nur zu VMwares Hypervisor - lernen, u.a. zu aktuellen CPU- und Speichertechniken.
Das Buch ist uneingeschränkt empfehlenswert!
Resource scheduling and fine-tuning may be critical in the "Cloud" for resource-hungry applications.
I have read and used lots of VMware references (blogs, VMware whitepapers, KB articles, VMworld breakout sessions) about resource utilization and performance in the last years, but this book compiles and extends everything I have been reading so far. One single book that contains everything you may need to know to fully understand how the host resources are utilized for CPU, memory, storage, networking...
Furthermore, it provides all hints and tricks on how to monitor and optimize your hosts and workloads: advanced esxi commands, logs, practical examples, etc.
Frank Denneman & Niels Hagoort give you the do's and don't's on the mentioned subjects while providing you with in-depth (theoretical) detail on why these are the case. If you're looking for squeezing the last bit of performance out of your vSphere / VSAN / NSX environment or designing it from ground up this book is the way to go
I personally think Frank & Niels have found a great balance between theory and how this theory helps you get the best out of your vSphere 6.5 environment in practice. The book reads pretty light while going deep into the various subjects, providing numerous diagrams and tables to provide you with complete information.
Dieses Buch gehört allerdings dazu!
Niels Hagoort und Frank Denneman haben es geschafft ein sehr komplexes Thema (Wie werden generell in einem Computer - im speziellen bei VMware's ESXi - die 4 Resourcen Memory, CPU, Storage und Network verwendet) so aufzubereiten, dass jeder der ein Interesse an diesem Thema besser wird.
Die Kunst von dem Buch besteht vor allem darin, dass man nicht nur sein theoretisches Wissen erweitert. VMware's VMkernel macht einen sehr guten Job in 97% der workloads. Das schöne ist man lernt hier nicht nur wieso wir zu 97% zufrieden sind, sondern auch wie man mit den letzten 3% umgehen kann.
Gefühlt werden alle Praxisrelevanten Themen angesprochen von denen man selber als Experte noch nie etwas gehört hatte. Hier geht es um Advanced Parameter die man in der Praxis dann braucht, wenn die Applikation 'Mission-Kritisch' ist und nicht die Leistung liefert die man erwartet hätte.
The graphics are useful and help to understand the content even better, the book looks like hard work and is every sentence of reading worth!
Had not often such a good book, where the content is that deep and well explained, but also from the price point of view is the book fair priced and a must have for each VMware Expert.
Great Job Frank and Niels well done!
This book redefined the phrase “deep dive”, and I’m taking a lot of notes for future authoring and presentations. The depth of content is unparalleled in tech authoring.
Topic sections such as CPU, memory, storage, and networking, the four main areas of resource management on any virtualization host, are presented. Anyone can talk about these settings in general, but the advanced VCDX-level topics are covered in incredible depth. We work with a lot of advanced virtualized SQL Server VMs, and significant discussions from this book for performance tuning these SQL Servers include:
Advanced vNUMA balancing and optimization
CPU core counts versus clock speed
vNUMA memory speeds and non-local memory access
Clearing up misconceptions about vSphere Balanced Power Management
Queues and resource allocations
Go get this book – NOW! It’s a must read, and read it twice. No, three times. Then give the book to colleagues who can benefit. I’ve got two copies on my desk right now, and know who these will be sent to after I’m done re-reading them!
Clear, concise and to the point. This is a book I'll return to time and time again, as there is simply no way you can read this once, and be done with it. There is simply to much information in here to digest in a single read through. Don't be fooled by the VMware vSphere mention in the title, even if you don't work exclusively with VMware vSphere environments, this book is still an invaluable resource for anyone working with datacenter technologies.
Simply put: Buy this book.