[Beowulf] since we are talking about file systems ...
pesch at attglobal.net
Sun Jan 22 17:41:29 EST 2006
Indexing is the key; observe how Google accesses millions of files in
split seconds; this could easily be achieved in a PC file system.
Joe Landman wrote:
> Methinks I lost lots of folks with my points ...
> Major thesis is that on well designed hardware/software/filesystems,
> 50000 files is not a problem for accesses (though from a management
> point of view it is a nightmare). For poorly designed/implemented
> file systems it is a nightmare.
> Way back when in the glory days of SGI, I seem to remember xfs being
> tested with millions of files per directory (though don't hold me to
> that old memory). Call this hearsay at this moment.
> A well designed and implemented file system shouldn't bog you down as
> you scale out in size, even if you shouldn't. Its sort of like your
> car. If you go beyond 70 MPH somewhere in the US that supports such
> speeds, your transmission shouldn't just drop out because you hit 71 MPH.
> Graceful degradation is a good thing.
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