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Douglas,

What do you think about using the xrdfs utility to pre-cache chunk 
lookups and avoid the cold-start delay on recently restarted clusters?

ref: http://linux.die.net/man/1/xrdfs

#!/bin/sh
for db in <db list>; do
for i in <chunk list> ; do
xrdfs manager:port locate /q/$db/$i & #locate in parallel
done
done

I cobbled together something using AndyH's somewhat-supported Perl(?) 
utility, but it never seemed to work right. This new approach might 
work, no?

-Daniel

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