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Huge File Split Sort


IBM Mainframe Forums -> SYNCSORT
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hsivaramak

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Joined: 27 Jul 2016
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Location: India

PostPosted: Wed Jul 27, 2016 1:12 am
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Except MAXSORT option , whats the best way to optimally SORT SPLIT a VERY Huge file with records based on 3 digit numeric range Key in first position of record.
Since the current job takes more than half-hour, we wish to optimally make it happen.
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Rohit Umarjikar

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Joined: 21 Sep 2010
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PostPosted: Wed Jul 27, 2016 1:23 am
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May be OUTFILE with INCLUDE.
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Bill Woodger

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Joined: 09 Mar 2011
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PostPosted: Wed Jul 27, 2016 2:04 am
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Well, for "optimally" you are massively lacking in information.
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steve-myers

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Joined: 30 Nov 2013
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PostPosted: Wed Jul 27, 2016 2:37 am
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Based on what little you have told use, this is not a "VERY Huge" data set.

In z/OS, the only "file" is the data on a magnetic tape between the beginning of tape and a "file mark," or the data on a magnetic tape between two "file marks." Period. End of story.

A named collection of data on a disk volume is a "data set." There is at least one difference between a "data set" in z/OS and a "file" as used in Windoze or *nix: a data set consists of records that have a defined format. The data in a "file" is a stream of bytes with no defined format.
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