Systems Performance: Enterprise and the Cloud by Brendan Gregg

By Brendan Gregg

The entire advisor to Optimizing structures Performance

Written by means of the winner of the 2013 LISA Award for striking success in method Administration

Large-scale company, cloud, and virtualized computing structures have brought critical functionality demanding situations. Now, the world over popular functionality professional Brendan Gregg has introduced jointly confirmed methodologies, instruments, and metrics for reading and tuning even the main complicated environments. platforms functionality: firm and the Cloud focuses on Linux® and Unix® functionality, whereas illuminating functionality matters which are proper to all working platforms. You’ll achieve deep perception into how platforms paintings and practice, and study methodologies for reading and bettering procedure and alertness functionality. Gregg provides examples from bare-metal platforms and virtualized cloud tenants operating Linux-based Ubuntu®, Fedora®, CentOS, and the illumos-based Joyent® SmartOS™ and OmniTI OmniOS®. He systematically covers smooth structures functionality, together with the “traditional” research of CPUs, reminiscence, disks, and networks, and new parts together with cloud computing and dynamic tracing. This e-book additionally is helping you establish and fasten the “unknown unknowns” of complicated functionality: bottlenecks that emerge from components and interactions you weren't conscious of. The textual content concludes with an in depth case learn, displaying how a true cloud buyer factor was once analyzed from begin to finish.

Coverage includes
• sleek functionality research and tuning: terminology, options, types, equipment, and techniques
• Dynamic tracing thoughts and instruments, together with examples of DTrace, SystemTap, and perf
• Kernel internals: uncovering what the OS is doing
• utilizing method observability instruments, interfaces, and frameworks
• figuring out and tracking program performance
• Optimizing CPUs: processors, cores, threads, caches, interconnects, and kernel scheduling
• reminiscence optimization: digital reminiscence, paging, swapping, reminiscence architectures, busses, handle areas, and allocators
• dossier procedure I/O, together with caching
• garage devices/controllers, disk I/O workloads, RAID, and kernel I/O
• Network-related functionality concerns: protocols, sockets, interfaces, and actual connections
• functionality implications of OS and hardware-based virtualization, and new concerns encountered with cloud computing
• Benchmarking: getting exact effects and averting universal mistakes

This advisor is imperative for a person who operates firm or cloud environments: process, community, database, and internet admins; builders; and different execs. for college kids and others new to optimization, it additionally presents workouts reflecting Gregg’s broad educational adventure.

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