Re: Separating bgwriter and checkpointer
Dickson S. Guedes <listas@guedesoft.net>
From: "Dickson S. Guedes" <listas@guedesoft.net>
To: Simon Riggs <simon@2ndquadrant.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2011-10-04T01:51:52Z
Lists: pgsql-hackers
2011/10/3 Simon Riggs <simon@2ndquadrant.com>: > On Sun, Oct 2, 2011 at 11:45 PM, Dickson S. Guedes <listas@guedesoft.net> wrote: >> I'm trying your patch, it was applied cleanly to master and compiled >> ok. But since I started postgres I'm seeing a 99% of CPU usage: > > Oh, thanks. I see what happened. I was toying with the idea of going > straight to a WaitLatch implementation for the loop but decided to > leave it out for a later patch, and then skipped the sleep as well. > > New version attached. Working now but even passing all tests for make check, the regress_database's postmaster doesn't shutdown properly. $ make check ... ... ============== creating temporary installation ============== ============== initializing database system ============== ============== starting postmaster ============== running on port 57432 with PID 20094 ============== creating database "regression" ============== ... ============== shutting down postmaster ============== pg_ctl: server does not shut down pg_regress: could not stop postmaster: exit code was 256 $ uname -a Linux betelgeuse 2.6.38-11-generic-pae #50-Ubuntu SMP Mon Sep 12 22:21:04 UTC 2011 i686 i686 i386 GNU/Linux $ grep "$ ./configure" config.log $ ./configure --enable-debug --enable-cassert --prefix=/srv/postgres/bgwriter_split Best regards, -- Dickson S. Guedes mail/xmpp: guedes@guedesoft.net - skype: guediz http://guedesoft.net - http://www.postgresql.org.br