ching from disk faster
than the channels request it.
Ron
> -Original Message-
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of McKown, John
> Sent: Thursday, July 26, 2007 9:07 AM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: [IBM-MAIN] VSAM in e
I'm curious about this one. A person here has stated that when a VSAM
KSDS file is in multiple extents, it performs more poorly than it would
in a single contigueous extent. He said something to the effect that
when a portion of the index is refe
Where's Mark Thomen when we need him.
This is really a little out of my area and when it is I tend not to respond,
but I'll have a go anyway...
On Thu, 26 Jul 2007 11:06:36 -0500, McKown, John
<[EMAIL PROTECTED]> wrote:
>I'm curious about this one. A person here has stated that when a VSAM
>KSD
Sent via BlackBerry by AT&T
-Original Message-
From: "McKown, John" <[EMAIL PROTECTED]>
Date: Thu, 26 Jul 2007 11:06:36
To:IBM-MAIN@BAMA.UA.EDU
Subject: VSAM in extents
I'm curious about this one. A person here has stated that when a VSAM
KSDS file i
buffers,
eg. bufnd=180 ( assuming a 4k CI size)
From: McKown, John [mailto:[EMAIL PROTECTED]
Sent: Thu 7/26/2007 12:06 PM
To: IBM-MAIN@BAMA.UA.EDU
Subject: VSAM in extents
I'm curious about this one. A person here has stated that when a VSAM
KSDS file
data and 512 index CISZ's usually better for random
access as well.
Darren
-Original Message-
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of McKown, John
Sent: Thursday, July 26, 2007 9:07 AM
To: IBM-MAIN@BAMA.UA.EDU
Subject: VSAM in extents
I'm cur
> -Original Message-
> From: McKown, John [mailto:[EMAIL PROTECTED]
> Sent: Thursday, July 26, 2007 12:07 PM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: VSAM in extents
>
> I'm curious about this one. A person here has stated that when a VSAM
> KSDS file is in multi
I'm curious about this one. A person here has stated that when a VSAM
KSDS file is in multiple extents, it performs more poorly than it would
in a single contigueous extent. He said something to the effect that
when a portion of the index is referenced which is in "another extent"
that the entire i
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