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sort performance

 
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apiyan
Beginner


Joined: 16 May 2009
Posts: 9
Topics: 5
PostPosted: Mon Jun 15, 2009 8:57 am    Post subject: sort performance Reply with quote
the below Sort card will Sort the input files,

Skip the first record which is always header, format and outrec the necessary fields, writes the output to the file

and Removes the duplicates

This particular Sort step is taking more than 4 hours to complete, my Input file details

LRECL = 126
RECFM = FB
Total counts = 145601599

I want to reduce the run time to minimise the CPU , utilisation..Can anyone help...

Code:

                                                       
  SORT FIELDS=(11,4,CH,A,113,11,CH,A),                   
  SKIPREC=1,STOPAFT=145601566                                         
  OUTREC FIELDS=(1:1,06,PD,EDIT=(TTTTTTTTTTT),12:7,2,BI,EDIT=(TTTT), 
           16:9,3,19:12,21,40:33,4,44:37,4,48:41,2,BI,EDIT=(TTTT),   
           52:43,1,53:44,30,83:74,26,109:100,09,118:109,04,           
           122:113,11,133:124,03)                                     
  OUTFIL FNAMES=SORTOUT                                               
  SUM FIELDS=NONE                                               
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amargulies
Beginner


Joined: 10 Jan 2007
Posts: 123
Topics: 0
PostPosted: Mon Jun 15, 2009 9:58 am    Post subject: Reply with quote
Which SORT utility and version are you running?
_________________
Alissa Margulies
SyncSort Mainframe Product Services
201-930-8260
zos_tech@syncsort.com
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