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Joe Pluta wrote:
[regarding commitment control]
If the program is written correctly, the files will get updated. If the
program is not written correctly, commitment control won't help. The only
thing commitment control buys you from a file update capability is when an
I/O error occurs, and frankly, when THAT happens on a System i, you have
much larger problems.
I have used commitment control in a high transaction rate environment,
and I have found significant value beyond maintaining RI during a crash.
I think that it is important to recognise that there is probably more
than one update program per file, and they _all_ need to be written
'correctly,' not just the one under consideration at the moment.
'Correctly' has many connotations, including the ability of Process 2 to
not be able to delete an item master record that Process 1 has just
validated an order against, but not written to disk yet.
--buck
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