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Re: File operations really slow in emacs


On 13/02/2012 8:31 AM, Ryan Johnson wrote:
On 11/02/2012 5:11 AM, Corinna Vinschen wrote:
On Feb 10 20:18, Ryan Johnson wrote:
Hi all,

For some reason file operations have become very slow inside emacs
starting yesterday. It's especially painful when saving a file
that's managed by mercurial (more than 20 seconds!), but I've seen
it on the command line as well (x-server takes a similar amount of
time to start, for example). I'm running the latest everything and
I've run rebaseall. I verified that Windows Defender did not
silently re-enable itself since I last disabled it (you can't
actually uninstall it) and no other BLODA are present on my machine.
The problem persists across reboots.

I have vague memories that this has turned up in the past (maybe
12-15 months ago?) but Google isn't turning up anything. Attaching
strace to emacs during the save makes it take a full 35 seconds and
reports the following:

$ cat emacs.strace | awk '{if ($1>  1000000) { print }}' | grep -v
26910790 26912157 [main] emacs-X11 5188 child_copy: dll bss - hp
0x264 low 0x611FC000, high 0x61230770, res 1
1128419 2125655 [main] python2.6 5188 read: read(5, 0x8009DB60,
65536) blocking
25850184 32830582 [main] python2.6 5188 stat_worker: 0 =
   This looks suspicious.  I assume you're suffering from SMB network
is there a workaround? Neither "always run elevated" nor "always keep all network drives mounted" seems like a reasonable requirement

Problem reports:
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