From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <43D79B60.5010006@lanl.gov>
Date: Wed, 25 Jan 2006 08:38:08 -0700
From: Ronald G Minnich <rminnich@lanl.gov>
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To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] fuse bashing
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Dave Eckhardt wrote:
>>The big complaints I know of so far on 9P are [...]
> 
> 
> If servers routinely dealt with thousands of clients and/or
> clients with large persistent caches then some sort of
> acceleration for cache validation might be nice--callbacks
> (aka leases) or maybe something based on a log of
> invalidations.
> 
> But given current usage patterns it's not clear there's
> a need.


except here and some other sites, where there is a burning need, and 
current parallel file systems are not quite working (yet)

having enough thousand nodes all try to stat the same file, at the same 
time, in a callback-based file system, can be trouble.


ron