| From: | Nikita Malakhov <hukutoc(at)gmail(dot)com> |
|---|---|
| To: | Hannu Krosing <hannuk(at)google(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, Dilip Kumar <dilipkumarb(at)google(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Yugo Nagata <nagata(at)sraoss(dot)co(dot)jp> |
| Subject: | Re: Direct TOAST v2, faster, smaller and no migration needed |
| Date: | 2026-09-07 07:45:01 |
| Message-ID: | CAN-LCVM-rh9j_YbG93S7RUBbeu6-1TEWe4FJQrPqUvmR2cM2JQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi Hannu!
Great you're continuing this work! I've started to review your patch set,
and have question about tests and performance: have you tested it against
large toasted values? When experimenting with direct toast before my
prototype
was much faster on small values but starting with relatively large (have to
recover
previous test results so cannot say exact size), about tens of Mbs,
performance
starts to degrade and on very large values it is much slower compared to
the original
mechanics.
--
Regards,
Nikita Malakhov
Postgres Professional
The Russian Postgres Company
https://postgrespro.ru/
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