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Check point restart

 
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abdulrafi

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Joined: 14 Sep 2009
Posts: 147
Location: Coimbatore

PostPosted: Thu Oct 22, 2009 3:33 pm    Post subject: Check point restart
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Could anybody give a clear idea on checkpoint restart (both Basic and Symbolic chekpoint). I am aware of the theoritical part of it.

If i am able to get practical examples on how to restart a program using checkpoint and so, it will be helpful for me.
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Thu Oct 22, 2009 9:00 pm    Post subject:
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Hello,

Checkpoint/restart is not a decision for one program - it is implemented over a much larger sphere of influence. It is also not (typically) implemented by only one person.

Suggest you speak with the database and system support people to learn if/how checkpoint/restart is implemented on your system.

Due to the exponentially faster cpu's and dasd, many places no longer implement new checkpoint/restart capabilities. It is often faster/cleaner to let the job back completely out, fix the problem, and rerun from the beginning.
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abdulrafi

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Joined: 14 Sep 2009
Posts: 147
Location: Coimbatore

PostPosted: Fri Oct 23, 2009 4:06 pm    Post subject: Reply to: Check point restart
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Thanks for your reply. But can I know how it is linked within a program.
Any links or manuals which clearly explains on how to set a checkpoint in a program and when abends how to proceed on and so.

Plz help.
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Sandy Zimmer

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Joined: 13 Jun 2007
Posts: 826
Location: Wilmington, DE

PostPosted: Fri Oct 23, 2009 4:21 pm    Post subject:
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There are several posts - search the forum.
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dick scherrer

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Joined: 23 Nov 2006
Posts: 19270
Location: Inside the Matrix

PostPosted: Fri Oct 23, 2009 7:29 pm    Post subject:
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Hello,

Quote:
how it is linked within a program.

It is not "linked" in a program. It is a philosophy covering an environment not just some program.

As Sandy mentoined, there are some other topics in the forum. These may have information you find useful, but i do not recall one that will give what i believe you are asking for. As i mentoned, this is not the sort of thing that is done for "a program".

I know of no "manual" as almost everywhere that does checkpoint/restart has a very site-specific implementation using the tools that are part of their environment (i.e. db2 checkpoint/restart is not the same as vsam c/r which is not the same as others. . .).
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