Re: Why is Emacs so slow when used remotely?

[despen]

"Russ P." <russ.paielli@gmail.com> writes:

> On Sep 20, 6:40 pm, des...@verizon.net wrote:
>> "Russ P." <russ.paie...@gmail.com> writes:
>> > As I explained a few days ago, I am trying to switch from XEmacs to
>> > Emacs so I can use Ensime (an Emacs-based IDE for Scala). I finally
>> > got my .emacs file debugged, but now I am finding that Emacs seems to
>> > be very slow when used remotely.
>>
>> > When I work from home, I login from one Linux machine to another using
>> > ssh -X over a high-speed Internet connection, using my home machine as
>> > an X terminal for my work machine. I am using Emacs 23.2.1 on Red Hat.
>> > I am finding that opening a file or switching buffers by middle-
>> > clicking in dired or the buffer menu takes approximately 20-30
>> > seconds. With XEmacs it takes less than one second. I hope I am doing
>> > something wrong that can be corrected, because I'll grow old sitting
>> > around that long every time I open a file or switch buffers. Any
>> > suggestions? Thanks.
>>
>> Did you file a bug report?
>
> No. I don't  know if this behavior is a bug or just poor performance.
> (Nor do I know, off hand, how to file a bug report.)

Poor performance is a bug.
To send a bug report, click on Help, select Send Bug Report...

> This is disappointing. As far as I can tell, Emacs seems to be
> essentially unusable for remote usage. I can't believe I am the only
> one who has noticed this problem. Am I the only one who uses Emacs/
> XEmacs to work remotely over ssh -X?

As I said, I use emacs remotely all the time.

I actually one of the reasons I moved from XEmacs to Emacs was
the greatly improved performance.

The specific issue you are having has to do with dired and
it's "hover" feature.  I was hoping someone would explain
how to turn the too helpful feature off.

I might dig into dired myself, but no promises.