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Mainframe Performance Topics with Martin Packer
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About this blog

Martin Packer I'm a well-known mainframe performance guy, with almost 30 years of experience helping customers manage systems. I also dabble in lots of other technology. I've sought to widen the Performance role, incorporating aspects of infrastructural architecture. I'm a world-famous podcaster and screencaster (albeit VERY thinly spread). :-)
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    Moron SPAM :-)

    MartinPacker 11000094DH | | Visits (4595)
    We've been issued new guidance: Delete SPAM rather than mark it invisible. Disallow posting comments after, say, 30 days. The latter appears to work at the individual entry level. Three of my entries have become particularly troublesome (for some unknown reason). So I've set them to "no more comments". If you find a comment of yours bounced then please do let me know. I'm sure we can fix it.... [More]

    Tags:  spam

    ERBSCAN / ERBSHOW - A Parameter You Might Not Know

    MartinPacker 11000094DH | | Visits (7006)
    Very few people spend as much time as I do down in the guts of individual SMF records. But for those who do ERBSCAN / ERBSHOW is an invaluable tool... ERBSCAN, issued in ISPF 3.4 against an SMF data set, presents you with a list of SMF records and some VERY high level information. Such as the date and time the record was cut, the SMF ID and the record type and subtype. ERBSHOW nnnn, issued from... [More]

    Tags:  rmf smf erbscan erbshow

    Outstupided - Part Umpteen

    MartinPacker 11000094DH | | Visits (3215)
    Every once in a while :-) I do something really dumb... Thanks to Debra and family for the bath bomb... Rather than throw it in the bath wrapped I chose to cut it open and pour the contents in. The result? Rather like bathing with dead flies. :-) And, no, I was sober at the time. :-)

    An Unexpected Benefit of Pornospam

    MartinPacker 11000094DH | | Comment (1) | Visits (7093)
    As I've mentioned before I'm using Roller's "Referer URL" page - for my developerWorks blog - to analyse where my blog hits are coming from. (It's an informal exercise because I can only really work with hits that involve a search engine of some sort - and some 80% of my hits are said to be "direct".) Recently I've had a rash of "pornospam" comments to my blog. (As previously noted I've a way of... [More]

    Tags:  blogspam pornospam referers

    I've A Little Button To Banish SPAMmers

    MartinPacker 11000094DH | | Visits (4677)
    Occasionally you'll (hopefully briefly) see SPAM comments on this blog. I'm grown up about this sort of thing and just remove the comments when I see them. I hope you're grown up enough to cope with this irritating phenomenon as well. But I've gotten fed up with having to mark these comments as SPAM. So I added some code to my Firefox extension to create a little button on my "Comment Management"... [More]

    Tags:  firefox spam extension

    WPS and MXG

    MartinPacker 11000094DH | | Visits (7313)
    Thanks to Oliver Robinson for pointing this out to me: In MXG Newsletters Numbers 50 and 51 Barry Merrill discusses MXG / WPS support in what I think is a detailed and fair way. (Oliver, for the record, works for WPC who develop WPS.) Barry and I discussed WPS and MXG over a year ago. I think WPS has come a long way in this time and is now a very credible alternative to SAS for many applications,... [More]

    Tags:  sas wps mxg

    Mashinations

    MartinPacker 11000094DH | | Visits (5880)
    Nowadays - actually thenadays :-) but more so nowadays - the value of a web page is related to how well structured it is. Well structured from a mashup programmer's point of view... As I often say you have to assume that people will want to take your web pages and mash them up in ways you never thought likely. If your web page is hard to navigate, extract material from, etc then people will use... [More]

    Tags:  dominspector firefox ajax mashups dojo form javascript web20

    Where My Searches Come From

    MartinPacker 11000094DH | | Visits (5135)
    This is really just a test of some Firefox Extension code of mine... but it's kind of interesting in its own right... The following is a table containing the country-level summary of Search URLs that somehow get a reader to my blog on any given day. (I have another table ranking search terms.) Most days the USA and India are at the top of the list. And there's usually a smattering of other... [More]

    Tags:  referer url statistics searches

    A Great Song For A Great Cause

    MartinPacker 11000094DH | | Comment (1) | Visits (8742)
    !This is a great song for a great cause... I saw Queen + Paul Rodgers play this in 2005 in Hyde Park. Actually Paul did nothing - Roger Taylor sang it. :-) But now they've worked on it as part of their current studio sessions and have rushed it out - for free . So download, play it, donate and tell your friends.... Get it from here and read all about it . Now I've Downloaded And Listened To It I... [More]

    Tags:  roger hiv 46664 taylor rodgers queen paul brian mandela nelson may aids qpr

    Memories of DFSORT OUTFIL

    MartinPacker 11000094DH | | Comments (2) | Visits (14325)
    In September 1997 DFSORT Release 13 was shipped (to coincide with the release of OS/390 Release 4). It took a nice idea from Syncsort and extended it. In case you didn't know OUTFIL allows you to read an input data set (and perhaps sort it) and write to multiple output files from the resulting records - perhaps selecting subsets of the records and reformatting them (and differently to each output... [More]

    Tags:  batchpipes/mvs hbaid dfsort stripes stgtest sequential pmio qsam excp dfsms outfil hipersorting smf16 compression smf bsam sysevent hiperbatch smf=full
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