| From: | Frederico <zepfred(at)gmail(dot)com> |
|---|---|
| To: | Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> |
| Cc: | Christopher Browne <cbbrowne(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Multithread Query Planner |
| Date: | 2012-01-14 09:43:54 |
| Message-ID: | 81A3CBE0-D917-476F-9E24-EC0E5151572D@gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
This means it's possible use threads?
Att,
Fred
Enviado via iPad
Em 13/01/2012, às 20:47, Dimitri Fontaine <dimitri(at)2ndQuadrant(dot)fr> escreveu:
> Christopher Browne <cbbrowne(at)gmail(dot)com> writes:
>> Yes, don't try to use threads.
>>
>> <http://wiki.postgresql.org/wiki/Developer_FAQ#Why_don.27t_you_use_threads.2C_raw_devices.2C_async-I.2FO.2C_.3Cinsert_your_favorite_wizz-bang_feature_here.3E.3F>
>>
>> ... threads are not currently used instead of multiple processes for
>> backends because:
>
> I would only add that the backend code is really written in a process
> based perspective, with a giant number of private variables that are in
> fact global variables.
>
> Trying to “clean” that out in order to get to threads… wow.
>
> Regards,
> --
> Dimitri Fontaine
> http://2ndQuadrant.fr PostgreSQL : Expertise, Formation et Support
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