December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
Content preview from Power Systems Enterprise Servers with PowerVM Virtualization and RAS
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Chapter 7. POWER7 Enterprise Server performance considerations 275
virtual memory manager is equipped to handle paging; however, excessive paging can
lead to performance degradations.
In certain cases, the DLPAR operation breaks memory affinity with the processor, which
affects performance.
There are tools that support DR operations. These tools are designed to recognize
configuration changes and adjust their reporting accordingly. The following tools provide
DLPAR support: topas, sar, vmstat, iostat, and rmss.
For detailed information about monitor tools, refer to the IBM Redbooks publication, AIX 5L
Performance Tools Handbook, SG24-6039, which ...
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