Alvaro Herrera <[EMAIL PROTECTED]> writes:
> Greg Smith wrote:
>> Last time I tried to quantify the overhead of logging with timestamps on
>> I couldn't even measure its impact, it was lower than the usual pgbench
>> noise.
> There's a hardware deficiency on certain machines -- I think it's old
> ones. I don't know if machines that would currently be used in
> production would contain such a problem.
My understanding is that it's basically "cheap PC hardware" (with clock
interfaces based on old ISA bus specs) that has the issue in a
significant way. I wouldn't expect you to see it on a serious database
server. But lots of people still do development on cheap PC hardware,
which is why I think this is worth worrying about.
regards, tom lane
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