Re: SSHFS makes the ROOT launch speed slow?

Hi,

You could install ROOT locally and access your files via SSHFS.

Cheers, Axel.

OKUMURA, Akira wrote on 01/27/2011 07:52 PM:
> Hello ROOTers,
>
> I often use Macfusion (http://macfusionapp.org/) and SSHFS (http://fuse.sourceforge.net/sshfs.html) on my Mac to mount a remote file system via SSH, because X11 is very slow with a slow network connection.
>
> My problem is that the ROOT launch speed is slow when I launch ROOT in an SSHFS directory.
>
> This is the result of "time" command on the local file system. It is fast enough.
> $ time root -b -q
> root [0]
> root -l -b -q 0.09s user 0.03s system 97% cpu 0.127 total
>
> And this is the result when I launch ROOT in a directory which is mounted via SSHFS.
> $ time root -b -q
> root [0]
> root -l -b -q 0.09s user 0.04s system 11% cpu 1.143 total
>
> In this example, it takes only 1.1 second because the value was measured from my office where LAN speed is fast. But when I do it from my home, it takes 5 to 10 seconds. In worst case, it takes several ten seconds.
>
> I suppose ROOT does something in a directory when being launch, and hence, it takes long time in the case that SSHFS speed is low.
>
> Is there any hack to get the launch speed faster?
>
> ROOT 5.28.00
> OS X 10.6.6
> Macfusion 2.0.3
>
> Regards,
>
> --
> OKUMURA, Akira oxon@{astro.isas.jaxa.jp,stanford.edu}
> Institute of Space and Astronautical Science (ISAS/JAXA)
> Now at KIPAC/SLAC/Stanford
> Varian Physics #306, 382 Via Pueblo Mall, MC 4060
> Stanford, CA 94305-4060
> TEL 650-736-0971/FAX 650-724-5065
> Skype : okumura.akira
>
>
Received on Tue Feb 01 2011 - 12:33:12 CET