Re: Hung postmaster (8.3.9)

On Saturday 27 February 2010 @ 22:18, Greg Smith wrote:
> Ed L. wrote:
> > 2010-02-27 20:11:10.426 CST [23134] LOG: database system
> > was not properly shut down; automatic recovery in progress
> > 2010-02-27 20:11:10.497 CST [23134] LOG: record with
> > zero length at 8BC/63F6020 2010-02-27 20:11:10.497 CST
> > [23134] LOG: redo is not required
>
> If the server is hung at this point, it was doing something:
> recovery from a crash, and during that period it will not
> respond to statements until it's finished as you noted. That
> can take some time, could run into the minutes. And if you
> kill it, next time the process starts all over again having
> made no progress.
>
> I'd try starting the server again, confirm it's only after
> this point it pauses at, watching if it's doing something
> with "top -c", and grab some backtraces of what it's doing
> then. In this sample you gave, the shutdown was too fast for
> the server have done very recovery before it was killed off.
> It may just be you need to let it sit there for a while to
> finish recovery and then it will be fine again, can't tell
> from the data you've provided so far.
>

Good point from my example, but it hung like that for 8 hours,
and seems to be ready to do so again.