| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | Simon Riggs <simon(at)2ndquadrant(dot)com>, AMatveev(at)bitec(dot)ru |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: One process per session lack of sharing |
| Date: | 2016-07-20 16:53:18 |
| Message-ID: | 578FAC7E.1050804@sigaev.ru |
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| Lists: | pgsql-hackers |
> On 12 July 2016 at 09:57, <AMatveev(at)bitec(dot)ru <mailto:AMatveev(at)bitec(dot)ru>> wrote:
>
> We have faced with some lack of sharing resources.
> So in our test memory usage per session:
> Oracle: about 5M
> MSSqlServer: about 4M
> postgreSql: about 160М
>
>
> Using shared resources also has significant problems, so care must be taken.
To see memory allocation by opinion of pgsql it's possible to use
https://github.com/postgrespro/memstat
This module (9.6+) could collect information about MemoryContexts allocation.
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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