Re: XLogWrite: had to create new log file

On Sat, 6 Jan 2001, Peter Eisentraut wrote:

> Thomas T. Thai writes:
>
> > should i worry about these DEBUGs in my log file?
> >
> > DEBUG: MoveOfflineLogs: remove 00000004000000B6
> > DEBUG: MoveOfflineLogs: remove 00000004000000B5
> > ...
> > DEBUG: XLogWrite: had to create new log file - you probably should do
> > checkpoints more often
>
> No, but you probably should do checkpoints more often. ;-)
>
> The way I understand it, a "checkpoint" is when the server flushes the old
> log files (WAL files, not the message log). It does that automatically
> every few minutes, or when the log file has reached a certain size. If
> you get these messages then the latter case has happened, which is
> presumably a bit of a performance hit. Then if you do checkpoints more
> frequently these won't happen because the log files are flushed when idle.
>
> The documentation is admittedly lacking in that area.

ok that made sense as i'm running mnogosearch with 10 indexers going. now,
here is a newbie question: how do i 'do chechpoints more often'? is there
something i can run from cron or something?