Robin Lee Powell wrote:
> On Tue, Dec 15, 2009 at 05:42:55PM -0800, Robin Lee Powell wrote:
>> Just to give a sense of scale here:
>>
>> # date ; find /pictures -xdev -type f -printf "%h\n" >/tmp/dirs ; date
>> Tue Dec 15 12:50:57 PST 2009
>> Tue Dec 15 17:26:44 PST 2009
>>
>> (something I ran to try to figure out how to partition the tree)
>>
>> The other one isn't even close to finishing, as far as I can tell.
> 
> Just for amusement:
> 
> # date ; find /data -xdev -type f -printf "%h\n" >/tmp/dirs ; date
> Tue Dec 15 12:51:17 PST 2009
> [snip many errors caused by things disappearing during the walk]
> Wed Dec 16 00:55:52 PST 2009
> 
> RedHat GFS *really* doesn't like directories with large numbers of
> files.  It's not a big fan of stat() calls, either.

Usually it is just simple physics.  The disk head can only be in on place at a 
time.  It's never where you want it, and it is slow to move.

-- 
   Les Mikesell
    lesmikesell AT gmail DOT com

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