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How to improve the performance of SYNCSORT


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seman18

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Joined: 08 Feb 2009
Posts: 67
Location: hz

PostPosted: Wed Mar 17, 2010 10:05 am
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yes, there is a sample
Code:

//SORTIN DD DSN=....,DISP=(OLD,KEEP),UNIT=(PAR441,2,DEFER)
//SORTPAR1 DD DSN=*.SORTIN,DISP=OLD,
// UNIT=AFF=SORTIN
//SORTPAR2 DD DSN=*.SORTIN,DISP=(,KEEP,KEEP),
// VOL=PRIVATE,UNIT=(PAR442,2,DEFER)
//SORTPAR3 DD DSN=*.SORTIN,DISP=(,KEEP,KEEP),
// VOL=PRIVATE,UNIT=(PAR443,2,DEFER)
//SORTPAR4 DD DSN=*.SORTIN,DISP=(,KEEP,KEEP),
// VOL=PRIVATE,UNIT=(PAR444,2,DEFER)


Code:

3420 3480/90 3490E 3590
|----------|----------|----------|----------|
4-WAY | PAR241 | PAR441 | PARE41 | NOT |
INPUT | PAR242 | PAR442 | PARE42 | POSSIBLE |
| PAR243 | PAR443 | PARE43 | |
| PAR244 | PAR444 | PARE44 | |
[/code]
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19244
Location: Inside the Matrix

PostPosted: Wed Mar 17, 2010 7:31 pm
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Hello,

In the manual (before the table you posted) is:
Quote:
For optimal PARASORT performance, SyncSort must be able to read each SORTPARn input DD simultaneously, with no channel contention. To ensure this, your system programming staff may have defined special esoteric unit names for use with PARASORT. Before creating a PARASORT application, you should contact your system programmer to verify that this work has been done and that the special names are available for use.

Note, however, that even if the work has been done, certain categories may be unavailable due to limited channel capacity.

To use special esoteric names, do the following:
1. Decide whether you would like to specify 4-way (up to SORTPAR4), 3-way (up to SORTPAR3) or 2-way (up to SORTPAR2) input.
2. In the table of special esoteric names provided by your systems programmer, find the name that corresponds to the tape type of the SORTIN data sets.

The following is a sample table of special esoteric names. This table is for illustration only; the names at your site may be different.


Did you review this with your systems programmer(s)?
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seman18

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Joined: 08 Feb 2009
Posts: 67
Location: hz

PostPosted: Wed Mar 17, 2010 8:10 pm
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I specify 4-way, and use PARE41-PARE44 for SORTPAR, so can you tell mewhat's my problem?
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10873
Location: italy

PostPosted: Wed Mar 17, 2010 8:18 pm
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Code:
**ERROR  - DSS4940E - UNABLE TO IDENTIFY UNIT NAME "PARE44 "

the esoteric names You are using are not defined
what was not clear in the syncsort manual quote ??? ...

Quote:
For optimal PARASORT performance, SyncSort must be able to read each SORTPARn input DD simultaneously, with no channel contention. To ensure this, your system programming staff may have defined special esoteric unit names for use with PARASORT. Before creating a PARASORT application, you should contact your system programmer to verify that this work has been done and that the special names are available for use.

Note, however, that even if the work has been done, certain categories may be unavailable due to limited channel capacity.

To use special esoteric names, do the following:
1. Decide whether you would like to specify 4-way (up to SORTPAR4), 3-way (up to SORTPAR3) or 2-way (up to SORTPAR2) input.
2. In the table of special esoteric names provided by your systems programmer, find the name that corresponds to the tape type of the SORTIN data sets.

The following is a sample table of special esoteric names. This table is for illustration only; the names at your site may be different.
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Alissa Margulies

SYNCSORT Support


Joined: 25 Jul 2007
Posts: 496
Location: USA

PostPosted: Wed Mar 17, 2010 9:14 pm
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The Parasort Esoteric Unit Name Table produced by the SYNCLIST report program should provide the available drives.

Seman18,

Please email me offline at alissa.margulies@syncsort.com and send me your SYNCLIST and the complete PARASORT job listing as text attachments and I would be happy to further assist you.

Regards,
Alissa
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seman18

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Joined: 08 Feb 2009
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Location: hz

PostPosted: Thu Mar 18, 2010 7:03 am
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enrico-sorichetti wrote:
Code:
**ERROR  - DSS4940E - UNABLE TO IDENTIFY UNIT NAME "PARE44 "

the esoteric names You are using are not defined
what was not clear in the syncsort manual quote ??? ...

Quote:
For optimal PARASORT performance, SyncSort must be able to read each SORTPARn input DD simultaneously, with no channel contention. To ensure this, your system programming staff may have defined special esoteric unit names for use with PARASORT. Before creating a PARASORT application, you should contact your system programmer to verify that this work has been done and that the special names are available for use.

Note, however, that even if the work has been done, certain categories may be unavailable due to limited channel capacity.

To use special esoteric names, do the following:
1. Decide whether you would like to specify 4-way (up to SORTPAR4), 3-way (up to SORTPAR3) or 2-way (up to SORTPAR2) input.
2. In the table of special esoteric names provided by your systems programmer, find the name that corresponds to the tape type of the SORTIN data sets.

The following is a sample table of special esoteric names. This table is for illustration only; the names at your site may be different.


below is what I got through "SYNCLIST"
Code:
           3420     3480/90     3490E       3590       
       |----------|----------|----------|----------|   
 4-WAY |   NOT    |   NOT    |  PARE41  |   NOT    |   
 INPUT | POSSIBLE | POSSIBLE |  PARE42  | POSSIBLE |   
       |          |          |  PARE43  |          |   
       |          |          |  PARE44  |          |   
       |----------|----------|----------|----------|   
 3-WAY |   NOT    |   NOT    |  PARE31  |   NOT    |   
 INPUT | POSSIBLE | POSSIBLE |  PARE32  | POSSIBLE |   
       |          |          |  PARE33  |          |   
       |----------|----------|----------|----------|   
 2-WAY |   NOT    |   NOT    |  PARE21  |   NOT    |   
 INPUT | POSSIBLE | POSSIBLE |  PARE22  | POSSIBLE |   
       |----------|----------|----------|----------|   
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enrico-sorichetti

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Joined: 14 Mar 2007
Posts: 10873
Location: italy

PostPosted: Thu Mar 18, 2010 10:43 am
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OOPS.. the message prefix DSS.....
seems that You are running some kind of jcl checker
( DSS is not an IBM message prefix )

if the esoterics have been properly setup then the jcl checker is giving false warnings

Quote:
The Parasort Esoteric Unit Name Table produced by the SYNCLIST report program should provide the available drives.

... I am not the only one to have overlooked Your sentence...
Quote:
got the SYNCSORT Programming guide, and use the synclist to get the following information
icon_biggrin.gif
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India

PostPosted: Thu Mar 18, 2010 7:19 pm
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As I said earlier - Tuning SyncSort is usually application specific and to get you better replies we'll be intrested to see "B" messages, which you have not shown yet. Having said that, your best bet is to get in contact with Alissa (Margulies) with those details on her e-mail ID.
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Alissa Margulies

SYNCSORT Support


Joined: 25 Jul 2007
Posts: 496
Location: USA

PostPosted: Tue Mar 23, 2010 12:10 am
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Please note, PARASORT cannot be used with a SORTIN GDG with a relative reference specified.
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India

PostPosted: Tue Mar 23, 2010 5:20 pm
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That's a nice tip Alissa to remember, but what's the work around then?
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Alissa Margulies

SYNCSORT Support


Joined: 25 Jul 2007
Posts: 496
Location: USA

PostPosted: Tue Mar 23, 2010 7:59 pm
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One option is to code an absolute GDG for SORTIN... another option is to code a standard sort - don't use PARASORT.
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Anuj Dhawan

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Joined: 22 Apr 2006
Posts: 6250
Location: Mumbai, India

PostPosted: Wed Mar 24, 2010 3:48 pm
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Thanks Alissa, that helps.

Have a good one icon_smile.gif
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