Re: Separating bgwriter and checkpointer

2011/10/2 Simon Riggs <simon(at)2ndquadrant(dot)com>:
> On Thu, Sep 15, 2011 at 11:53 PM, Simon Riggs <simon(at)2ndquadrant(dot)com> wrote:
>
>> Current patch has a bug at shutdown I've not located yet, but seems
>> likely is a simple error. That is mainly because for personal reasons
>> I've not been able to work on the patch recently. I expect to be able
>> to fix that later in the CF.
>
> Full patch, with bug fixed. (v2)
>
> I'm now free to take review comments and make changes.

Hi Simon,

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:

guedes(at)betelgeuse:/srv/postgres/bgwriter_split$ ps -ef | grep postgres
guedes 14878 1 0 19:37 pts/0 00:00:00
/srv/postgres/bgwriter_split/bin/postgres -D data
guedes 14880 14878 0 19:37 ? 00:00:00 postgres: writer
process
guedes 14881 14878 99 19:37 ? 00:03:07 postgres: checkpointer
process
guedes 14882 14878 0 19:37 ? 00:00:00 postgres: wal writer
process
guedes 14883 14878 0 19:37 ? 00:00:00 postgres: autovacuum
launcher process
guedes 14884 14878 0 19:37 ? 00:00:00 postgres: stats
collector process

Best regards.
--
Dickson S. Guedes
mail/xmpp: guedes(at)guedesoft(dot)net - skype: guediz
http://guedesoft.net - http://www.postgresql.org.br