CA IDMS IUA EIUA

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

  • 1.  Re:Re: Factors to take into account when deciding whether to

    Posted 03-05-2009 07:19 PM
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    create a new production Retrieval CV

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

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

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

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

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

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

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

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

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

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    resources increasing with increasing numbers of users: storage pools,

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

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

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    SOS's - see following display - HTH - cheers - Gary=20

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

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    *******

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    Tape CV Num Julian Date+Time

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    *

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    G0GJ7M 20 2009065 09:41

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    *

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

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    *******

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    Pool Pages In Use HWM Times SOS Cushion SSUUTDS

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    *

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    HKSKRBY

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    *

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    0 1000 88 92 0 250 X

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    *

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    8% 9% 25%

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    *

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    1 250 10 30 0 25 XX

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    *

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    4% 12% 10%

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    *

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    2 250 5 5 0 25 XX

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    *

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    2% 2% 10%

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    *

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    3 250 0 2 0 25 XX

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    *

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    0% 0% 10%

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    *

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    128 10000 5078 5416 0 0 XX

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    *

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    50% 54% 0%

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    *

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    129 1000 146 147 0 0 XX

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    *

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    14% 14% 0%

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    *

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    130 3750 1596 1770 0 0 XX

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    *

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    42% 47% 0%

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    *

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    255 10000 5518 5569 0 0 X

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    *

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    55% 55% 0%

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    *

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

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    *******

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    Scratch-> Lo Page HI Page Alloc HWM

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    *

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    50001 68000 10786 11152

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    *

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

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    *

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

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    *******

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    Users-> Max Current HWM

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    *

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    760 583 588

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    *

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

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    *******

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

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    Gary Cherlet

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    Justice Technology Services

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    Department of Justice, SA Government

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    Telephone +61 (0)8 8226 5199

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    Facsimile +61 (0)8 8226 5311

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    Mobile +61 (0)41 333 1613

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

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    This e-mail message and any attachments are qualified as follows:

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    reply e-mail to the sender. Please also destroy the original

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    those of the sender, not Justice Technology Services. Computer Viruses:

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