Hi,

On 2/12/07, Greg Smith <[EMAIL PROTECTED]> wrote:


The attached adds two new command line switches to pgbench:

-x:  Generate extended detail in the latency log, including a timestamp
for each transaction


From your patch I see that it augments the -l flag. IMHO it does not make
sense to add another flag. We can save the "if" check and log the extended
contents as part of -l itself.

-X:  Do extra cleanup after the run (vacuum on all tables, checkpoint)
before stopping the clock.  This gives substantially more consistancy in
results between runs.


I am sorry, but I do not understand the above. If I read it correctly, are
you suggesting that the same database with a prior pgbench run be used for
further pgbench runs? How is it useful? How can one guarantee consistency of
observed tps values with this in place?

Regards,
Nikhils


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