Re: [BUGS] BUG #7534: walreceiver takes long time to detect n/w breakdown

On Wednesday, October 17, 2012 5:16 PM Amit Kapila wrote:
> > On Monday, October 15, 2012 3:43 PM Heikki Linnakangas wrote:
> > On 13.10.2012 19:35, Fujii Masao wrote:
> > > On Thu, Oct 11, 2012 at 11:52 PM, Heikki Linnakangas
> > > <hlinnakangas(at)vmware(dot)com> wrote:
> > >> Ok, thanks. Committed.
> > >
> > > I found one typo. The attached patch fixes that typo.
> >
> > Thanks, fixed.
> >
> > > ISTM you need to update the protocol.sgml because you added
> > > the field 'replyRequested' to WalSndrMessage and
> StandbyReplyMessage.
>
>
> >
> > > Is it worth adding the same mechanism (send back the reply
> immediately
> > > if walsender request a reply) into pg_basebackup and pg_receivexlog?
> >
> > Good catch. Yes, they should be taught about this too. I'll look into
> > doing that too.
>
> If you have not started and you don't have objection, I can pickup this
> to
> complete it.
>
> For both (pg_basebackup and pg_receivexlog), we need to get a timeout
> parameter from user in command line, as
> there is no conf file here. New Option can be -t (parameter name can be
> recvtimeout).
>
> The main changes will be in function ReceiveXlogStream(), it is a common
> function for both
> Pg_basebackup and pg_receivexlog. Handling will be done in same way as
> we
> have done in walreceiver.

Some more functions where it receives the data files also need similar
handling in pg_basebackup.

With Regards,
Amit Kapila.