Re: max_standby_delay considered harmful

Bruce Momjian <bruce@momjian.us>

From: Bruce Momjian <bruce@momjian.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Greg Smith <greg@2ndquadrant.com>, Josh Berkus <josh@agliodbs.com>, Simon Riggs <simon@2ndquadrant.com>, pgsql-hackers@postgresql.org
Date: 2010-05-05T03:06:32Z
Lists: pgsql-hackers
Tom Lane wrote:
> Greg Smith <greg@2ndquadrant.com> writes:
> > Anyway, I have no idea where the idea that recommending time 
> > synchronization is a somehow a "high end" requirement,
> 
> Considering that clock skew was only one of several scenarios in which
> the max_standby_delay code misbehaves, it's not that important whether
> you consider it highly probable or not.  The code still needs a
> redesign, and we may as well eliminate the assumption of tight
> synchronization while we are at it.  There's no really good reason to
> have that requirement in there.

Should I be concerned that we are redesigning HS features at this stage
in the release?

-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com