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Java's Not The Only JVM-Based Language
JVM-based languages have an interesting property for z/OS programmers: They are zAAP-eligible. As we all know zAAP Eligibility brings a number of benefits - including the licence charge benefits and the ability to run on a full-speed processor even when your general-purpose processors are subcapacity ones. (I'll briefly mention zAAP-on-zIIP here for completeness, and then move on.) You... [More]
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Why Mainframe Folk Should Care About Web 2.0
I presented a set of (someone else's) foils on Web 2.0 to my team meeting last week. (Interestingly, being 6 months old they were already way out of date - what with Twitter and all.) Remember I'm in a mainframe crowd of effectively "gurus". :-) So why should they be interested in new-fangled webby stuff? So I got to thinking... Dear reader, why should you care about Web 2.0? The minimal answer is... [More]
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Feedback from my UKCMG Mainframe Performance Instrumentation Birds Of A Feather
It was a very good session, even if it was attended by just a "hard core" of mainframe sites. I think everyone said at least something and several said rather more than that. Here are some things I'd like to note from it... There was a general feeling that it'd be useful to have a name for a machine that could be entered on the HMC and flow through to SMF records, particularly Type 70 (CPU). So... [More]
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