Re: vc-dir operation is very slow on large git repositories in Emacs 26.1

[Eli Zaretskii]

> Cc: address@hidden, address@hidden, address@hidden
> From: Dmitry Gutov <address@hidden>
> Date: Sat, 23 Jun 2018 21:28:14 +0300
> 
> On 6/23/18 4:37 PM, Eli Zaretskii wrote:
> 
> > Since we added a command that produces a lot of output, some slowdown
> > is to be expected, no?
> 
> Right. So my concern here is whether we really need to use such a 
> command. Or, rather, how much work is it going to be to avoid using it.

I assume it was added to fix some problem or issue.  What was that
issue, and what are the alternatives that avoid issuing the command?