Section 2 – AIX Multiuser Performance (rPerf, POWER8 and up). CPW results of IBM Power Systems servers running the IBM i operating. rPerf is a computer benchmark that evaluates the relative OLTP performance of servers based on IBM POWER microprocessors. It is published by IBM and. Section 2a – AIX Multiuser Performance (rPerf, SPEC CPU, . All performance measurements for the IBM Power™ Systems, IBM.

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There is no difference again. As you can see, no significant grow after patching.

How to Use rPerfs for Workload Migration and Server Consolidation

Leave a Reply Cancel reply Enter your comment here Nevertheless, IBM has already delivered number of patches. Of course, I have no idea what these or those PTFs fixed. The roll out takes time. Not sure if there is anyone in IT world who has not heard about latest vulnerabilities in the modern chips.

I will try to update this post within next rpedf, because last Friday If not, a server reboot is needed.


IBM Power System CPW Performance Data: POWER8 vs. POWER9 ScaleOut Models | Arbor Solutions

The fix is concurrent as long as you run the latest release level. As you can see, there is almost the same utilization, no spectacular grow. Cover letter again is very mysterious.

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Notify me of new comments via email. Email required Address never made public. Patching is scheduled in waves. Do not forget that fixes for VIOSes were released as well.

In addition, most benchmark rules require that the full benchmark be run and fully documented powef each published data point. Home About me Contact.

IBM Power Systems Performance Report

Many benchmarks exist for comparing servers, so why did IBM create the rPerf measurement? In the end you can compare wait graphs before and after, and here there are no significant changes either.

We have carefully put this patch to test systems and closely kbm the performance. The first patch was delivered on January 9th.


Jimmy May 7, at By powed to use this website, you agree to their use. These requirements would make it extremely costly to publish multiple data points for each Power Systems model.

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Fill in your details below or click an icon to log in: This site uses cookies. Note that rPerf can only powfr used for making comparisons within Power servers.

Charlie Cler supports customers in a solutions-architect role at Forsythe Technology Inc. He can be reached at ccler forsythe. Martin February 19, at This has resulted in the publication of multiple rPerf values for each server based on varying processor core counts.

I did a query — show me the jobs which consumed CPU the most.

For workload migrations and server consolidation projects, rPerf data is frequently used for CPU sizing. Paul February 26, at