Re: Smoke and mirrors...

Obnoxio The Clown wrote:
DA Morgan said:
Obnoxio The Clown wrote:
DA Morgan said:
Serge Rielau wrote:
Da Moron wrote:
One logical (potentially physical) I/O to undo.
Commit.
One physical write to the log file.
... which includes logging of the UNDO
One physical write to the data file.
I rest my case.
Serge
Only if 1+2=4 in Toronto. And only if you believe all writes
contain the same number of bytes.
Oh. So if a write has fewer bytes, it's less of a write?
Only if you think that writing 80 bytes is more overhead than
writing 8 bytes.

Perhaps you still think size doesn't matter. <g>

Never mind the length, feel the girth.

However, if you're talking about IOs, a 8-byte IO is still an IO, just as
much as an 80-byte IO is an IO. We weren't discussing the number of bytes,
just the number of IOs.

Reading is everything.

The number of IOs is not the only factor in determining the impact
on network and IO subsystems but then you know that and are just
trying to live up to your nome de plume.
--
Daniel A. Morgan
University of Washington
damorgan@xxxxxxxxxxxxxxxx (replace x with u to respond)
.

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