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Optimizing AIX 7 network performance: Part 3, Monitoring your network packets and tuning the network
This three-part series on AIX 7 networking focuses on the challenges of optimizing network performance. With AIX 7 being used more frequently in network deployment environments, and with common use of workload partitions to help manage resources, you should be aware of all the different applications and environments you need to optimize your network deployment. Part 1 provided a networking overview and also discussed the tools you need to monitor your hardware, including netstat, netpmon, entstat, and nmon. Part 2 discussed monitoring and tuning NFS subsystems. This final segment, Part 3, shows you how to monitor network packets. The series also offers best practices for network I/O performance tuning.
Also available in: Chinese  
Articles 11 Jan 2011
Optimizing AIX 7 network performance: Part 2, NFS monitoring and tuning
This three-part series on AIX 7 networking focuses on the challenges of optimizing network performance. With AIX 7 being used more frequently in network deployment environments and with common use of workload partitions to help manage your resources, you must be aware of all the different applications and environments you need to optimize your network deployment. Part 2 focuses on tuning NFS. You'll learn about monitoring utilities such as nfsstat and nmon, and you'll also tune with nfso. The series also offers best practices for network I/O performance tuning.
Also available in: Chinese  
Articles 30 Nov 2010
Optimizing AIX 7 network performance: Part 1, Network overview - Monitoring the hardware
This three-part series on AIX 7 networking focuses on the challenges of optimizing network performance. With AIX 7 and the new POWER7 architecture, you have to think about the performance of your system, and also the effects of your network performance on both LPAR and WPAR environments. In the first installment, you'll review some best practices for network configuration and utilize those practices for efficient monitoring of your hardware by taking advantage of network tools such as netstat, netpmon, entstat, and nmon. You'll also examine certain tools used to look at your interfaces to see how to configure them.
Also available in: Chinese  
Articles 23 Nov 2010
Optimizing AIX 7 memory performance: Part 3, Tuning swap space settings
Get an introduction to swap (paging) space, learn how to configure and administer it, capture statistics, and tune your Virtual Memory Manager (VMM) settings to provide for optimum swap (paging) space configuration and performance. With AIX 7, and the improvements for the POWER7 architecture, extracting the best performance out of your memory environment is critical. With the larger memory capacity and CPU cores, a better understanding of the VMM and your configuration will help you change your parameters to fit your requirements.
Also available in: Chinese  
Articles 16 Nov 2010
Optimizing AIX 7 memory performance: Part 1, Memory overview and tuning memory parameters
AIX 7 takes advantage of the POWER7 CPU to improve memory usage within LPARs. While memory tuning might be more difficult to implement than processor or disk tuning, it is no less important. You can do more to tune memory on an AIX 7 server than on any other subsystem. Changing some memory parameters on your system can increase performance dramatically, particularly when these parameters are not optimized for the environment which you are running. This three-part series on memory tuning dives right into tuning parameters focusing on the many challenges and the various best practices of optimizing memory performance, and it also discusses some improvements in AIX 6 and AIX 7. Part 1 provides an overview of memory on AIX 7, including a discussion of virtual memory and the Virtual Memory Manager (VMM).
Also available in: Chinese  
Articles 02 Nov 2010
Optimizing AIX 7 operating system performance, Part 3: Tune with ioo, filemon, fileplace, JFS and JFS2
Part 3 of the AIX 7 performance series covers how to improve overall file system performance, how to tune your systems with the ioo command, and how to use the filemon and fileplace utilities. You will also learn about JFS and JFS2 that is available in AIX 7.
Also available in: Chinese  
Articles 26 Oct 2010
Optimizing AIX 7 operating system performance, Part 1: Disk I/O overview and long-term monitoring tools (sar, nmon, and topas)
Learn more about configuring and monitoring AIX 7 based on the investigations of AIX 7 beta compared to the original articles based on AIX 5L. The article covers the support for direct I/O, concurrent I/O, asynchronous I/O, and best practices for each method of I/O implementation. This three-part series on the AIX disk and I/O subsystem focuses on the challenges of optimizing disk I/O performance. While disk tuning is arguably less exciting than CPU or memory tuning, it is a crucial component in optimizing server performance. In fact, partly because disk I/O is your weakest subsystem link, you can do more to improve disk I/O performance than on any other subsystem.
Also available in: Chinese  
Articles 12 Oct 2010
Optimizing AIX 7 memory performance: Part 2, Monitoring memory usage (ps, sar, svmon, vmstat) and analyzing the results
Use ps, sar, svmon, and vmstat to monitor memory usage and analyze the results. This three-part series focuses on the various aspects of memory management and tuning on IBM System p servers running AIX 7, including taking advantage of the POWER7 CPU to improve memory usage within LPARs. Part 2 of the series focuses on the detail of actual memory subsystem monitoring and discusses how to analyze the results. Throughout the series, we also cover some of the best practices of memory performance tuning and monitoring.
Also available in: Chinese  
Articles 09 Nov 2010
Optimizing AIX 7 operating system performance, Part 2: Monitoring logical volumes and analyzing the results
Discover how to use appropriate disk placement prior to creating your logical volumes to improve disk performance. These investigations are based on AIX 7 beta and updating information from the original AIX 5L version of this article. Part 2 of this series focuses on monitoring your logical volumes and the commands and utilities (iostat, lvmstat, lslv, lspv, lsvg) used to analyze results.
Also available in: Chinese  
Articles 19 Oct 2010
IBM XL C/C++ installation on IBM AIX 7.1
IBM® XL C/C++ is a high-performance optimizing compiler designed to use IBM POWER® processors and enable the development of parallel applications that use the multi-core and vector features of these processors. This tutorial helps readers with a basic technical background information about the XL C/C++ V11 installation on the IBM AIX® 7.1 operating system.
Also available in: Chinese  
Articles 21 Sep 2012
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