Best Practises/parameters for speeding Datapump

Folks

Using Datapump need to export & import a 700 GB Table having a LONG Column (containing JPEGs).

Any Rough Estimate on Time needed for the same?

What best practices / parameters are Advisable to speed up the same?

Any Links will help.

Config:-

Oracle 10gR2

Solaris 10

SunFire - 8 CPUs

RAM 32 GB Cheers

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