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.

--  Bruce Momjian                        |  http://www.op.net/~candle maillist@candle.pha.pa.us            |  (610)
853-3000+  If your life is a hard drive,     |  830 Blythe Avenue +  Christ can be your backup.        |  Drexel Hill,
Pennsylvania19026