Re: High network usage over network filesystem

["Alain M." <alainm@pobox.com>]

Javier Tarifa escreveu:
>>   
> Nevermind, I've got it.
> When you try to execute something, scan_dir scans all the files on your 
> path and on your current directory searching for it.
> Even more, it scans multiple times searching for different name 
> combinations (exe/com/bat and with different capitalization), and that's 
> what causing
> huge bandwidth consumption and stalls when you're on a big directory. 
> Luckily for me, as I said in another mail I'm mounting the remote novell
> partition with ncpmount that makes all acceses to the mounted device 
> case-insensitive, so I just made scan_dir return true always, and now I 
> think it determines
> if a file it's there or not by stating it in find_file. I have 
> encountered no problems with this yet.

Could you explain this a little more... It seems that you have found the 
reason why FreeDOS is slow sometimes.

Maybe that scan_dir could be re-written so as to scan only once ant test 
all name combinations for each file in turn.

Alain

> 
> 
> Another thing, I don't know if this is the proper place to ask for it, 
> but I've found that dosemu doesn't work right with dtach.
> When you reattach you simply get a black screen and all the text, 
> windows, pictures, etc are gone. I can't use screen because for some
> reason some programs just hang when they're executed in dosemu inside a 
> screen, but they work flawlessly in dtach. It would be
> great if you could do something about this. To get around it I added 
> this at the end of sigwinch:
> 
> SLsmg_touch_lines(0,vga.text_height);
> SLsmg_refresh();
> 
> It does work now, but I know nothing of slang and the docs say you 
> should not use SLsmg_touch_lines, so it has to be a better way.
> It would be great if in the next version dosemu and dtach could get along.
> --