Use faster drives. If you're doing this often, it might well be worth spending £200/£300 on a Solid State Disk. These are orders of magnitude faster than harddisks and could yeild substantial speedup if used correctly.

I have vaguely impression that SSD technique is not mature yet. It will be broken after reading 200,000 times. If I remember right, SSD is not a good choice for him.

In reply to Re^2: sorting very large text files by Anonymous Monk
in thread sorting very large text files by rnaeye

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