Re: [sshfs] sshfs slow

[Brian A. <ss...@br...>]

Miklos Szeredi <miklos <at> szeredi.hu> writes:

> 
> > Sorry to bother you guys.
> > I've just tryed using sshfs on my ubuntu box (dapper) and I'm having
> > truble with it since it is very slow.
> > Every time I do a "ls" it hangs for about 3 seconds.
> > 
> > That's the command I tryed:
> > sshfs user <at> server: mnt_point -o cache=yes -o cache_dir_timeout=1000 -o
> > cache_timeout=1000
> > 
> > I've tryed this big cache, but it's still slow.
> > Any help is welcome.
> 
> Can you please try with debugging turned on:
> 
>   sshfs -d -osshfs_debug ...
> 
> I can't imagine why it's slow.
> 
> Thanks,
> Miklos
> 
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I've got the same problem, and using debug output I get the following
information when I do an ls in any directory on my local computer (not even
inside the mounted path)

Server version: 3
unique: 1, opcode: INIT (26), nodeid: 0, insize: 56
INIT: 7.7
   INIT: 7.5
   unique: 1, error: 0 (Success), outsize: 40
unique: 2, opcode: LOOKUP (1), nodeid: 1, insize: 48
LOOKUP /somalia
[00000] LSTAT
  [00000]          ATTRS       41bytes (27ms)
   NODEID: 2
   unique: 2, error: 0 (Success), outsize: 136
unique: 3, opcode: LOOKUP (1), nodeid: 2, insize: 49
LOOKUP /somalia/bschroed
[00001] LSTAT
  [00001]          ATTRS       41bytes (28ms)
   NODEID: 3
   unique: 3, error: 0 (Success), outsize: 136
unique: 4, opcode: LOOKUP (1), nodeid: 3, insize: 47
LOOKUP /somalia/bschroed/rqueue
[00002] LSTAT
  [00002]          ATTRS       41bytes (25ms)
   NODEID: 4
   unique: 4, error: 0 (Success), outsize: 136
unique: 5, opcode: LOOKUP (1), nodeid: 4, insize: 44.
:
:
:
LOOKUP /somalia/bschroed/rqueue/lib/cmov
[00032] LSTAT
  [00032]         STATUS       33bytes (28ms)
   unique: 34, error: -2 (No such file or directory), outsize: 16
unique: 35, opcode: LOOKUP (1), nodeid: 5, insize: 45
LOOKUP /somalia/bschroed/rqueue/lib/cmov
[00033] LSTAT
  [00033]         STATUS       33bytes (27ms)
   unique: 35, error: -2 (No such file or directory), outsize: 16
unique: 36, opcode: LOOKUP (1), nodeid: 5, insize: 51
LOOKUP /somalia/bschroed/rqueue/lib/librt.so.1
[00034] LSTAT
  [00034]         STATUS       33bytes (28ms)
   unique: 36, error: -2 (No such file or directory), outsize: 16
unique: 37, opcode: LOOKUP (1), nodeid: 5, insize: 52
LOOKUP /somalia/bschroed/rqueue/lib/libacl.so.1
[00035] LSTAT
  [00035]         STATUS       33bytes (27ms)
   unique: 37, error: -2 (No such file or directory), outsize: 16
unique: 38, opcode: LOOKUP (1), nodeid: 5, insize: 56
LOOKUP /somalia/bschroed/rqueue/lib/libselinux.so.1