ca.portal.admin

Re:Re: Factors to take into account when deciding whether to

Discussion created by ca.portal.admin on Mar 6, 2009
create a new production Retrieval CV







Many years ago we started with 250 users being a ""big day"" - we now



regularly hit 750 users and put through a million tasks a day (between



3:00am and 6:00pm). We have 7,000+ registered users - so clearly the old



10% rule works pretty well, more likely because in our case our user



community is spread across 3 shifts. We do not think that we are



anywhere near capacity of a single region to support our requirements.







We use a single DB/DC architecture (no CICS). In addition to 700-750



VTAM users we have up to 100 mid-range (Java) users on at the same time.



IDMS has scaled very well for us. Only thing to remember is to keep



resources increasing with increasing numbers of users: storage pools,



Scratch, RCE's and RLE's. We have broken up our storage pools so that we



get High Performance Storage Protect Option to kick in, and to minimise



SOS's - see following display - HTH - cheers - Gary







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Tape CV Num Julian Date+Time



*



G0GJ7M 20 2009065 09:41



*



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Pool Pages In Use HWM Times SOS Cushion SSUUTDS



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HKSKRBY



*



0 1000 88 92 0 250 X



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8% 9% 25%



*



1 250 10 30 0 25 XX



*



4% 12% 10%



*



2 250 5 5 0 25 XX



*



2% 2% 10%



*



3 250 0 2 0 25 XX



*



0% 0% 10%



*



128 10000 5078 5416 0 0 XX



*



50% 54% 0%



*



129 1000 146 147 0 0 XX



*



14% 14% 0%



*



130 3750 1596 1770 0 0 XX



*



42% 47% 0%



*



255 10000 5518 5569 0 0 X



*



55% 55% 0%



*



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Scratch-> Lo Page HI Page Alloc HWM



*



50001 68000 10786 11152



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Percentages ------------> 59% 61%



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Users-> Max Current HWM



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760 583 588



*



************************************************************************



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V20 Release 16.0 SP7 >>> JIS Production CV <<< Enter next task:















Gary Cherlet



Justice Technology Services



Department of Justice, SA Government



Telephone +61 (0)8 8226 5199



Facsimile +61 (0)8 8226 5311



Mobile +61 (0)41 333 1613



MailTo:cherlet.gary@saugov.sa.gov.au







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