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What is CHECKPOINTING SORT?


IBM Mainframe Forums -> DFSORT/ICETOOL
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crrindia

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Joined: 02 Jul 2005
Posts: 124
Location: Gurgaon

PostPosted: Mon May 21, 2007 7:45 am
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Hi All,

Any one of you can please explain What is CHECKPOINTING SORT?

Thanks!
Rathna.
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dick scherrer

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

PostPosted: Wed May 23, 2007 3:48 am
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Hello,

Here is the short form:
Quote:
Checkpoint/Restart is a facility of the operating system that allows information about an application to be recorded so that same application can be restarted after abnormal termination or after some portion of the application has been completed.


If you'd like more info, it is available in the manual linked to from this forum (that's where the above came from).
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Frank Yaeger

DFSORT Developer


Joined: 15 Feb 2005
Posts: 7129
Location: San Jose, CA

PostPosted: Sun May 27, 2007 12:24 am
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DFSORT has a checkpoint facility, but it is not recommended because it prevents DFSORT's most efficient technique (Blockset) from being used.
For more information, see:

publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/ICE1CA20/E.1?SHELF=&DT=20060615185603&CASE=
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