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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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Addressing: If you have received this e-mail in error, please advise by
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reply e-mail to the sender. Please also destroy the original
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transmission and its contents. Confidentiality: This e-mail may contain
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confidential information which also may be legally privileged. Only the
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intended recipient(s) may access, use, distribute or copy this e-mail.
=20
Individual Views: Unless otherwise indicated, the views expressed are
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those of the sender, not Justice Technology Services. Computer Viruses:
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It is the recipient's responsibility to check the e-mail and any
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attached files for viruses.
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