| From: | Mark Rofail <markm(dot)rofail(at)gmail(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, David Steele <david(at)pgmasters(dot)net>, Andreas Karlsson <andreas(at)proxel(dot)se>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Erik Rijkers <er(at)xs4all(dot)nl>, Hans-Jürgen Schönig <hs(at)cybertec(dot)at>, Robert Haas <robertmhaas(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: [HACKERS] GSoC 2017: Foreign Key Arrays |
| Date: | 2018-05-16 08:31:50 |
| Message-ID: | CAJvoCus5o0+X7+DVHzd-eTRdi48fA0h7yNpHO05=qGN=Jyfb1A@mail.gmail.com |
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| Lists: | pgsql-hackers |
I was wondering if anyone knows the proper way to write a benchmarking test
for the @>> operator. I used the below script in my previous attempt
https://gist.github.com/markrofail/174ed370a2f2ac24800fde2fc27e2d38
The script does the following steps:
1. Generate Table A with 5 rows
2. Generate Table B with n rows such as:
every row of Table B is an array of IDs referencing rows in Table A.
The tests we ran previously had Table B up to 1 million rows and the
results can be seen here :
https://www.postgresql.org/message-id/CAJvoCusMuLnYZUbwTBKt%2Bp6bB9GwiTqF95OsQFHXixJj3LkxVQ%40mail.gmail.com
How would we change this so it would be more exhaustive and accurate?
Regards,
Mark Rofail
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