On Fri, Sep 28, 2001 at 01:28:28PM -0400, Wietse Venema wrote:
> Ben Rosengart:
> >
> > Given the popularity of this, would you consider building equivalent
> > functionality into Postfix so it can be done with one instance? That
> > way, it could be a configuration option rather than an expert trick.
>
> It is not possible. Now or in the foreseeable future.

Oh.

> If I have the choice between using two Postfix instances versus
> doubling the complexity of Postfix's queue management code, then
> I will take the two Postfix instance approach any time, because it
> needs less code and therefore it is more reliable. This may waste
> a few cycles and bytes.

I was thinking less of the waste of machine resources than the
waste of administrator time and effort. As things stand now,
everyone has to figure out this strategy for themselves, or find
it out from the mailing list. If it were do-able with a configuration
parameter, it would be much easier to "discover" it.
 
> In fact, I am going back to an earlier idea to have a queue that
> does not move queue files at all. It uses append and truncate and
> thereby saves a tremendous amount of disk I/O overhead by avoiding
> the relatively expensive file create, rename and delete operations.

That should be interesting. Are you still designing this, or have
you begun implementing it? I will be interested to see what kind
of performance gains appear.
 
> That approach is even less compatible with moving delayed mail to
> a different queue than the present one.

-- 
Ben Rosengart     (212) 741-4400 x215
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