Re: [HACKERS] PID of backend

[Charset KOI8-R unsupported, filtering to ASCII...]
>
> On 02-Jun-99 Tom Lane wrote:
> >>>> Postgres 6.5 backend (current CVS) stop answering query
> >>>>
> >>>>>>>>> Jun 2 00:12:32 mail popper[17585]: PgSQL:ROLLBACK failed:
> >>>>>>>>> PQsendQuery()
> >>>>>>>>> There is no connection to the backend.
> >>>>
> >>>> every 300 000 cursor allocation so I wish to restart it every 100 000
> >>>> is there a way to do it simple than
> >>>> kill `ps ax | awk .....`
> >
> > Why in the world do you want to use kill at all? If you want to get
> > rid of your current backend, just close the connection. I really doubt
> > that killing the postmaster is necessary or appropriate.
> >
> > (Of course the real answer is to find a way to avoid the memory leak that
> > I suppose you are running into. But you haven't given us enough info
> > to offer any advice in that direction.)
> >
> >> I need something usable inside program other than scanning process table.
> >
> > There is a libpq function that will tell you the PID of the currently
> > connected backend: PQbackendPID. But it's not usually good for much
> > except debugging purposes.
>
> Thanks ! It's exactly what I need. (But it s'seems not documented ?)
>
> I need to restart backend because (as written above)
> every 300 000 "open cursor" query completly loose it's mind.

I hope 6.5 due on June 7 will fix your problems.

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