Capacity Planning for Internet Services

Capacity Planning for Internet Services

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Description

Capacity planning is a well known discipline, particularly for sites that have a mainframe oriented background. The explosive growth of Internet sites and E-commerce has presented new challenges in managing performance and capacity. In many cases, time constraints and business demands can prevent normal capacity planning techniques from being applied. Classic datacenter capacity planning methods can be adjusted and successfully applied to this new Internet-centric computing environment. This BluePrint charts a course through the available techniques and tools, examines timescales and return on investment for different methodologies and provides a framework for decomposing big problems into solvable subproblems.
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Product details

  • Paperback | 256 pages
  • 172.72 x 231.14 x 22.86mm | 498.95g
  • Prentice Hall
  • Upper Saddle River, United States
  • English
  • w. figs.
  • 0130894028
  • 9780130894021

Table of contents

Acknowledgments. Preface. 1. Introduction. 2. Theoretical Principles. Performance Management. Layers of Service Architecture. Phases of Performance Management. Baselining. Load Planning. Capacity Planning. Resource Management. Service Level Agreements. Caveats and Problems with Service Level Agreements. Production Environment Engineering. Overview. IT Frameworks. The ISO FCAPS IT Framework. IT Extended Frameworks. FCAPS IT Extended Framework. The IT Service Model. Applying ITIL. The SunReady? Approach. Monitoring and Management. Measurement Principles. Conclusion.3. Suggested Processes. Service Level Management. Service Level Agreements (SLAs). Identifying a Service. The Service Definition. Problem Reporting and Escalation. Reporting and Review. Costs, Chargebacks, and Consequences. Arbitration and Conflict Resolution. Reassessment and Updating. Inventorying the Enterprise. Baselining Business Services. Capacity Estimation and Consolidation Processes. Quantifying Capacity. Consolidating Workloads. Resource Management. The Never-Ending Cycle. Summary.4. Scenario Planning. A Recipe for Successful Scenario Planning. Modelling Capacity and Load. Modelling Load. Modelling Capacity. Tweaking the Model. Predicting Tomorrow. Fitting the Model to the Data by Tweaking. Summary.5. Capacity Estimation. Overview. System Measurement Frames. Sun Constant Performance Metric (SCPM) Value Capacity Planning. Amdahl's Law. Geometric Scalability. Measuring Utilization. SCPM Measurement. Measuring Disk Storage Capacity. SCPM Load Planning. Workload Characterization. Capacity Planning for Complex Disk Subsystems. Capacity Measurements for Single Disks. Measurements on a Single Disk. Cached Disk Subsystem Optimizations. Cached Disk Subsystems. Host-Based Write Cache Model Interconnect Parameters. Estimating Capacity for Complex Disk Subsystems. Single Disks. Mirrored Disks. Concatenated and Fat Stripe Disks. Striped Disk Accesses. RAID5 for Small Requests. RAID5 for Large Requests. Cached RAID5. Cached Stripe. Capacity Model Measurements. Disk and Controller Capacity. Performance Factor P. Cache Performance Impact Factors. Service Time and Cache Hit Rate. Caveats. Summary.6. Observability. Operations Viewpoint. Management Viewpoint. Engineering Viewpoint. Example Scenarios. Operations Viewpoint Implementation. Implementing with Sun Management Center. Alert Monitoring with SunMC. Handling Alarms in SunMC. Key Performance Indicator Plots. Operations Viewpoint Implementations Summary. Management Viewpoint Implementation. Weekly Summary. Scenario Planning. Weekly Problem Summary. External Monitoring Summary. Engineering Viewpoint Implementation. SE Orcollator Logs. SAS Data Import and Analysis. Summary.7. Tools Overview and Evaluations. Tools and Products for Performance Management. Server Consolidation. Domains and Dynamic Reconfiguration. Solaris Resource Manager. Solaris Bandwidth Manager. Load Sharing Facility and Codeine. Sun Management Center (SunMC). SunMC Hardware Diagnostic Suite 1.0. Sun Configuration & Service Tracker. BMC Patrol and Best/1. Foglight Software (RAPS). SAS IT Service Vision (CPE). Hyperformix/SES Workbench and Strategizer. Aurora Software SarCheck. Capacity Planning with TeamQuest Model. Creating the Model. Summary.A. Sun Constant Performance Metrics. B. References. Glossary. Index.
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About Adrian Cockcroft

ADRIAN COCKCROFT is a Distinguished Systems Engineer at Sun Microsystems, working in the Performance Applications Engineering organization. He has broad experience of both hardware and software and works to make sure that many diverse products come together to form complete and consistent systems. He is the primary author of Sun Performance and Tuning: Java and the Internet, and contributed to the Sun BluePrint on Resource Management. An Englishman, he holds a degree in Applied Physics and Electronics from the City University, London.BILL WALKER is an IT Architect in Sun Professional Services, working in the IT Consulting and Operations Services (ITCOPS) practice. With an extensive background in IT management, he is currently focused on services including performance analysis, capacity planning, performance management, and server consolidation. He is a co-author and instructor of the Sun Educational Services Technology Seminar, "Solaris Performance and Tuning Secrets," and has taught several courses on Unix System Administration for local colleges. He attended Millersville University, studying Electrical Engineering, and Management of Information Systems.
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