Book description
This IBM® Redbooks® publication addresses performance tuning topics to help leverage the virtualization strengths of the POWER® platform to solve clients’ system resource utilization challenges, and maximize system throughput and capacity. We examine the performance monitoring tools, utilities, documentation, and other resources available to help technical teams provide optimized business solutions and support for applications running on IBM POWER systems’ virtualized environments.
The book offers application performance examples deployed on IBM
Power Systems™ utilizing performance monitoring tools to
leverage the comprehensive set of POWER virtualization features:
Logical Partitions (LPARs), micro-partitioning, active memory
sharing, workload partitions, and more. We provide a well-defined
and documented performance tuning model in a POWER system
virtualized environment to help you plan a foundation for scaling,
capacity, and optimization
.
This book targets technical professionals (technical consultants,
technical support staff, IT Architects, and IT Specialists)
responsible for providing solutions and support on IBM POWER
systems, including performance tuning.
Table of contents
- Front cover
- Notices
- Preface
- Chapter 1. IBM Power Systems and performance tuning
- Chapter 2. Hardware implementation and LPAR planning
-
Chapter 3. IBM Power Systems virtualization
- 3.1 Optimal logical partition (LPAR) sizing
-
3.2 Active Memory Expansion
- 3.2.1 POWER7+ compression accelerator
- 3.2.2 Sizing with the active memory expansion planning tool
- 3.2.3 Suitable workloads
- 3.2.4 Deployment
- 3.2.5 Tunables
- 3.2.6 Monitoring
- 3.2.7 Oracle batch scenario
- 3.2.8 Oracle OLTP scenario
- 3.2.9 Using amepat to suggest the correct LPAR size
- 3.2.10 Expectations of AME
- 3.3 Active Memory Sharing (AMS)
- 3.4 Active Memory Deduplication (AMD)
- 3.5 Virtual I/O Server (VIOS) sizing
- 3.6 Using Virtual SCSI, Shared Storage Pools and N-Port Virtualization
-
3.7 Optimal Shared Ethernet Adapter configuration
- 3.7.1 SEA failover scenario
- 3.7.2 SEA load sharing scenario
- 3.7.3 NIB with an SEA scenario
- 3.7.4 NIB with SEA, VLANs and multiple V-switches
- 3.7.5 Etherchannel configuration for NIB
- 3.7.6 VIO IP address assignment
- 3.7.7 Adapter choices
- 3.7.8 SEA conclusion
- 3.7.9 Measuring latency
- 3.7.10 Tuning the hypervisor LAN
- 3.7.11 Dealing with dropped packets on the hypervisor network
- 3.7.12 Tunables
- 3.8 PowerVM virtualization stack configuration with 10 Gbit
- 3.9 AIX Workload Partition implications, performance and suggestions
- 3.10 LPAR suspend and resume best practices
-
Chapter 4. Optimization of an IBM AIX operating system
- 4.1 Processor folding, Active System Optimizer, and simultaneous multithreading
- 4.2 Memory
- 4.3 I/O device tuning
- 4.4 AIX LVM and file systems
-
4.5 Network
- 4.5.1 Network tuning on 10 G-E
- 4.5.2 Interrupt coalescing
- 4.5.3 10-G adapter throughput scenario
- 4.5.4 Link aggregation
- 4.5.5 Network latency scenario
- 4.5.6 DNS and IPv4 settings
- 4.5.7 Performance impact due to DNS lookups
- 4.5.8 TCP retransmissions
- 4.5.9 tcp_fastlo
- 4.5.10 MTU size, jumbo frames, and performance
-
Chapter 5. Testing the environment
- 5.1 Understand your environment
- 5.2 Testing the environment
- 5.3 Testing components
- 5.4 Understanding processor utilization
- 5.5 Memory utilization
- 5.6 Disk storage bottleneck identification
- 5.7 Network utilization
- 5.8 Performance analysis at the CEC
- 5.9 VIOS performance advisor tool and the part command
- 5.10 Workload management
- Chapter 6. Application optimization
- Appendix A. Performance monitoring tools and what they are telling us
- Appendix B. New commands and new commands flags
- Appendix C. Workloads
- Related publications
- Back cover
Product information
- Title: IBM Power Systems Performance Guide: Implementing and Optimizing
- Author(s):
- Release date: February 2013
- Publisher(s): IBM Redbooks
- ISBN: None
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