>I noticed both the TX the MACHMIG options.
>We have a tight schedule for the move, do you
>recommend turning MACHMIG on or off as a start?
I really don't have a recommendation.
I suppose if things go "well" then jumping in with both feet (i.e., not
using MACHMIG) will get you to the end posit
On 3/6/2017 3:15 PM, Jim wrote:
I've used TBEGIN and vaguely remember reading up on TBEGINC but never ever
tried it .. I'll have to hit the
foils again ..
My recommendation is that whenever possible, use a constrained
transaction (aka, TBEGINC). It is guaranteed to complete successfully,
whe
o:IBM-MAIN@LISTSERV.UA.EDU] On
Behalf Of Peter Relson
Sent: Sunday, March 05, 2017 09:50
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Transactional Execution - anybody used it?
As you might assume, the operating system uses transactional execution.
A caveat: you cannot use it unconditionally. Even if
Based on the relatively code path supported, it appears to be that the best
use of it to replace/simplify the more complicated PLO cases where there is a
lot of setup and the need for working storage. Don't know which will get
better performance.
On Mon, 6 Mar 2017 00:03:15 -0500 Peter Relson wro
M-MAIN@LISTSERV.UA.EDU] On
> Behalf Of Peter Relson
> Sent: 05 March, 2017 16:50
> To: IBM-MAIN@LISTSERV.UA.EDU
> Subject: Re: Transactional Execution - anybody used it?
>
> As you might assume, the operating system uses transactional execution.
>
> A caveat: you cannot use it unc
Rats, posted to ibm-main instead of the (correct) assembler list.
Re-posted.
Peter Relson
z/OS Core Technology Design
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As you might assume, the operating system uses transactional execution.
A caveat: you cannot use it unconditionally. Even if you know you are on
the right machine. One reason for that is that it cannot be used if z/OS
is running on/under VM. Another is that we have given the customer a knob
to