Re: tie user processes to postmaster - Mailing list pgsql-hackers

From Takahiro Itagaki
Subject Re: tie user processes to postmaster
Date
Msg-id 20100223144853.A184.52131E4D@oss.ntt.co.jp
Whole thread Raw
In response to tie user processes to postmaster was:(Re: [HACKERS] scheduler in core)  (Jaime Casanova <jcasanov@systemguards.com.ec>)
List pgsql-hackers
Jaime Casanova <jcasanov@systemguards.com.ec> wrote:

> integrated_user_processes = 'x, y, z'
> API would be user_process_startup(), user_process_shutdown().

FYI, pg_statsinfo version 2 emulates the same behavior with
shared_preload_libraries and spawn an user process in _PG_init().
But it's still ugly and not so reliable. Official APIs would be better.

http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/lib/libstatsinfo.c

It came from voices from end users that an extension should behave as
a postgres internal daemon rather than a wrapper of postgres.

Regards,
---
Takahiro Itagaki
NTT Open Source Software Center




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