Re: DBT-3 with SF=20 got failed
| От | Simon Riggs |
|---|---|
| Тема | Re: DBT-3 with SF=20 got failed |
| Дата | |
| Msg-id | CANP8+jJYDFQU3-A1YG8oTRcX6zmN9cn7wJUSDRShz+pdXeUdVw@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: DBT-3 with SF=20 got failed (Tomas Vondra <tomas.vondra@2ndquadrant.com>) |
| Ответы |
Re: DBT-3 with SF=20 got failed
|
| Список | pgsql-hackers |
On 12 June 2015 at 00:29, Tomas Vondra <tomas.vondra@2ndquadrant.com> wrote:
--
I see two ways to fix this:
(1) enforce the 1GB limit (probably better for back-patching, if that's
necessary)
(2) make it work with hash tables over 1GB
I'm in favor of (2) if there's a good way to do that. It seems a bit stupid not to be able to use fast hash table because there's some artificial limit. Are there any fundamental reasons not to use the MemoryContextAllocHuge fix, proposed by KaiGai-san?
If there are no objections, I will apply the patch for 2) to HEAD and backpatch to 9.5.
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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