Re: Help with finding checkpoint code

It is called by a special child process of the postmaster after a
signal. Search for PMSIGNAL_DO_CHECKPOINT in xlog.c and in postmaster.c.
The checkpoint process gets started out of sigusr1_handler().

On Sat, 2002-08-31 at 23:27, Bruce Momjian wrote:
> I am trying to find when WAL log files are rotated. The message is:
>
> 2002-02-11 21:18:13 DEBUG: recycled transaction log file 0000000000000005
>
> and it is printed in MoveOfflineLogs(), and MoveOfflineLogs() is only
> called by CreateCheckPoint(), but I can't see where CreateCheckPoint()
> is called in normal operation. I see it called by CHECKPOINT, and on
> startup and shutdown, and from bootstrap, but where is it called during
> normal backend operation.
>
> --
> Bruce Momjian | http://candle.pha.pa.us
> pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
> + If your life is a hard drive, | 13 Roberts Road
> + Christ can be your backup. | Newtown Square, Pennsylvania 19073
>
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
> (send "unregister YourEmailAddressHere" to majordomo(at)postgresql(dot)org)
>
--
J. R. Nield
jrnield(at)usol(dot)com