Category: Performance
Performance
With our Virtual Conference right around the corner, I touched bases with Ken Milberg, president and managing consultant of PowerTCO, a New York-based IBM Business Partner, for a quick Q&A on performance. Ken is delivering a session at the online event. In addition, he is also a technical editor and writer for IBM Systems Magazine, Power Systems Edition and has written dozens of technical journals for IBM developerWorks, including the book, Driving the Power of AIX, a guide to performance turning on IBM POWER-based servers, published in 2009.
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The first ever Power IT Pro Virtual Conference is set to deliver an astounding amount of information in one jam-packed day. With seven sessions designed to get at the heart of the hottest topics in the industry, the crew here at Power IT Pro are looking forward to November 16 when we get to share it all -- free!
Ever wonder how IBM's PowerVM actually stacks up against the likes of VMware vSphere on x86-based servers?
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I recently caught up with Chris Gibson, an AIX and PowerVM specialist who makes his home in Australia, for an email Q&A on AIX 7. You might recognize Gibson from his "Chris's AIX Blog" on IBM's developerWorks site, his activity out and about in our Power Systems world, his Twitteringn Twitter (@cgibbo), or even as an author on the AIX 7.1 Differences Guide Redbook, which is currently available as a draft and is due for official release in December.
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IBM has expanded its CloudBurst family of private cloud appliances to include a new POWER7-based unit, as well as offer the brains of CloudBurst as a software solution capable of installation on a company's currently installed system. IBM's previous CloudBurst solution was x86 for IBM BladeCenter, but this new POWER7 option, IBM CloudBurst v2.1 on Power Systems, is based on IBM Power 750 servers.
The "appliance" can support from 160 up to 2,900 virtual machines and securely keep the data in those applications separate. The operating systems that run on POWER7, of course, are AIX, IBM i, and Linux. Incidentally, IBM estimates that private clouds built on Power systems can be up to 70 percent less expensive than stand alone x86 servers.
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IBM's International Technical Support Organization (ITSO) has been publishing Redbooks for more than 40 years, and by now IBM's Redbook program has got to be a shining light of knowledge transfer. IT pros download more than half-a-million Redbooks each month. To date, IBM has published more than 4,800 Redbooks, and the company is publishing more than one red tech-focused document each day. And these are nothing to sneeze at -- they are in-depth how-to guides.
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IBM is reporting that its IBM Power 795 has achieved the highest result ever published on the two-tier SAP Sales and Distribution (SD) standard application benchmark -- with a result of 70,032 SAP SD benchmark users. IBM boasts that its 128-core Power 795 handled 79 percent more users than a 256-core Sun SPARC Enterprise M9000 (Oracle's largest system), and 75 percent more users than the 128-core Oracle parallel result published in September running four clustered 32-core Sun Fire X4470 servers with Intel's Xeon X7560 chip.
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If you tend to run out of memory before you run out of processing power, you might want to take a look at IBM's Active Memory Expansion feature built into POWER7 systems.
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One of the interesting things about new POWER7 hardware and AIX 7 is the integration between them, which is one of the key selling points: IBM's investment in both hardware and the OS contribute to its impressive performance gains.
In the case of POWER7, customers running AIX 7 will obviously gain the most benefits, but if there's one thing that's true about IBM, the company keeps the door open for lagging customers for a long time, sometimes years. And sometimes customers do lag. . . .
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Today IBM announced the expected, but welcome, expansion of its new POWER7 lineup with a new record-breaking high-end and four new low-end models, which rounds out POWER7 offerings to fully complement POWER6 users wanting to migrate. "IBM has now rolled out the full POWER7 portfolio," said IBM's Ian Jarmin, manager of Power Systems software, including AIX, IBM i, and Linux. The new models—which include four Express systems aimed at mid-market customers—deliver significantly better performance, with higher energy efficiency, than their POWER6 counterparts. According to IBM, POWER7's new high-end eclipses the speed and green profiles of competing systems from HP and Oracle.
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As an AIX administrator, I’m often asked what are the most important areas which need to be examined. In my view, performance is at the top of any list. In this article we’ll discuss five tips and areas you should put at the top of your performance list.
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