bug#64735: 29.0.92; find invocations are ~15x slower because of ignores

[Dmitry Gutov]

On 21/07/2023 16:46, Ihor Radchenko wrote:
> Dmitry Gutov <dmitry@gutov.dev> writes:
>
> > On 21/07/2023 16:34, Ihor Radchenko wrote:
> > > Dmitry Gutov<dmitry@gutov.dev>  writes:
> > >
> > > > On 21/07/2023 15:58, Ihor Radchenko wrote:
> > > > > Dmitry Gutov<dmitry@gutov.dev>   writes:
> > > > >
> > > > > > > > Disabling file-handlers is inconceivable in Emacs.
> > > > > > > Indeed. But we are talking about Emacs find vs. GNU find here.
> > > > > > > In the scenarios where GNU find can be used, it is also safe to disable
> > > > > > > file handlers, AFAIU.
> > > So, we agree here? (I've read your reply as counter-argument to mine.)
> >
> > We don't, IIUC.
> >
> > To use GNU find on a remote host, you need to have the file handlers
> > enabled.
>
> Let me clarify then.
> I was exploring the possibility to replace GNU find with
> `find-lisp-find-files'.
>
> Locally, AFAIU, running `find-lisp-find-files' without
> `file-name-handler-alist' is equivalent to running GNU find.
> (That was a reply to Eli's message that we cannot disable
> `file-name-handler-alist')

But it's slower! At least 2x, even with file handlers disabled. 
According to your own measurements, with a modern SSD (not to mention 
all of our users with spinning media).

> Although, it will likely not
> be usable then - running GNU find on remote host is going to be
> unbeatable compared to repetitive TRAMP queries for file listing.

That's right.