Re: SSHFS makes the ROOT launch speed slow?

Hi Konstantin,

On Wed, 2 Feb 2011, Konstantin Olchanski wrote:

> On Wed, Feb 02, 2011 at 08:04:12PM +0100, Eduard Avetisyan wrote:
> >
> > The same strace produces ~130 calls in my case, which include but are not
> > limited to libraries like:
> > open("tls/i686/sse2/libXpm.so.4", O_RDONLY) = -1 ENOENT (No such file or directory)
>
> You have "." in your LD_LIBRARY_PATH. Remove it and those syscalls will go away.

Good hint! Changing the LD_LIBRARY_PATH from ":$ROOTSYS/lib" to simply "$ROOTSYS/lib" (just a colon difference) reduced the startup time from 12s to 8s, so by 1/3. Still, it's way slower than a local startup time of 0.1s.

Cheers

        Eduard  

> In fact, every system library and searched inside every LD_LIBRARY_PATH element (NxM),
> so by shortening LD_LIBRARY_PATH you will reduce the number of syscalls
> and speedup application startup.
>
>
> --
> Konstantin Olchanski
> Data Acquisition Systems: The Bytes Must Flow!
> Email: olchansk-at-triumf-dot-ca
> Snail mail: 4004 Wesbrook Mall, TRIUMF, Vancouver, B.C., V6T 2A3, Canada
>
Received on Wed Feb 02 2011 - 20:34:57 CET