Re: Networkhood file system

Alex Buell (alex.buell@tahallah.demon.co.uk)
Sat, 29 Aug 1998 10:28:09 -0400 (EWT)


On Sat, 29 Aug 1998 doctor@fruitbat.org wrote:

> As a user of ClearCase at work, I just want to add that you pay a
> very, VERY high cost in CPU, Network and local disk space for that
> ability. Atria implemented their own filesystem (called Multiple
> Versioned File System (MVFS)) which hooks into the kernel as a kernel
> extension (under Unix implementations). The implementation is such
> that each user has a "view" of the filesystems being accessed. These
> views are maintained using a combination of local disk and remote
> lookup for all filesystem accesses. Even on high end machines the
> speed is painfully slow. If you think NFS is slow, then you don't
> even want to considder the speed of a ClearCase filesystem. IMHO,
> there are better ways of doing this.

It's horrible. I have to suffer by using ClearCase at Raytheon, and there
are a *lot* of complaints that the intranet is completely saturated by
about 200-300 of us using ClearCase.

Give me a good old cvs-based system any time.

Cheers,
Alex

--
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( o.o ) Grow some cannabis today!
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http://www.tahallah.demon.co.uk

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