On Fri, Feb 02, 2024 at 12:19:51AM +0900, Sutou Kouhei wrote: > Here are some numbers on my local machine (Note that my > local machine isn't suitable for benchmark as I said > before. Each number is median of "\watch 15" results): >> > I'll measure again on my local machine later. I'll stop > other processes such as Web browser, editor and so on as > much as possible when I do.
Thanks for compiling some numbers. This is showing a lot of variance.
Expecially, these two lines in table 2 are showing surprising results
for v7:
direction format n_columns master v7 v10
from csv 1 917.973 1695.401 871.991
from binary 1 841.104 1422.012 820.786
I am going to try to plug in some rusage() calls in the backend for
the COPY paths. I hope that gives more precision about the backend
activity. I'll post that with more numbers.
--
Michael
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