buffering -- MI400

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As part of my ongoing investigation of sorting large files,
I'm reading the files myself into storage to sort them there.
I have a question about buffering. It doesn't make sense
that it takes 15 minutes to read 10Mb (1,000,000 records
of 10 bytes each), so I must not have the right buffering
set up. What controls that? I was under the (mistaken ?)
impression that suitable buffering was done by OS/400
so I don't have to worry about it. If that's the case, it
is doing a poor job. More likely, I need to do something
to get better buffering. What?

Leif Svalgaard

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