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Re: max_wal_senders must die

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, Simon Riggs <simon(at)2ndQuadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Greg Smith <greg(at)2ndQuadrant(dot)com>, postgres hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: max_wal_senders must die
Date: 2010-10-27 19:40:12
Message-ID: 1288208412.8120.104.camel@jd-desktop (view raw, whole thread or download thread mbox)
Lists: pgsql-hackers
On Wed, 2010-10-27 at 15:33 -0400, Tom Lane wrote:
> Josh Berkus <josh(at)agliodbs(dot)com> writes:
> >>> Josh has completely failed to make a case that
> >>> that should be the default.
> >> 
> >> Agreed.
> > In what way have a failed to make a case?
> You're assuming that we should set up the default behavior to support
> replication and penalize those who aren't using it. 
>  Considering that
> we haven't even *had* replication until now, it seems a pretty safe
> bet that the majority of our users aren't using it and won't appreciate
> that default.  We routinely expend large amounts of effort to avoid
> cross-version performance regressions, and I don't see that this one
> is acceptable when others aren't.
> I entirely agree that it ought to be easier to set up replication.
> But there's a difference between having a big red EASY button for people
> to push, and pushing it for them.

Replication is an option, not a requirement. So +1 on Tom's argument

> 			regards, tom lane

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