Online Transaction Processing Archives - IT Jungle

What IBM i Shops Want From Cloud, And How To Do It Right

September 27, 2021 Timothy Prickett Morgan

It is no secret to readers of The Four Hundred that we are big proponents of so-called cloud computing, which doesn’t just include access to slices of servers but also storage to keep their data and networking to link them to the world and, if multiple slices share work, to link them to storage and to each other.

We never liked the term “cloud,” because it connotes a fuzzy kind of infrastructure when quite the opposite is true. We still don’t like calling it cloud computing, but language is created by consensus, not by fiat, so sometimes we have to …
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The Performance Impact Of Spectre And Meltdown

March 12, 2018 Timothy Prickett Morgan

We have been waiting to see what impact on performance the Spectre and Meltdown speculative execution patches, which plug some security vulnerability holes that search engine giant Google discovered last summer and made public in early January, would have on Power Systems iron running the IBM i operating system.

Now that Big Blue has published the first edition of the Power Systems Performance Report that includes the new “ZZ” Power 9-based systems, we not only get a sense of the relative performance of the “Nimbus” Power9 chip for entry servers. We also can figure out the performance impact of the …
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