I said nearly sorted. Sorted / unsorted is not binary. This is not a randomised file it's a logfile. All entries created by 1 specific transaction are sorted within themselves.
That means for us that the number of not yet comleted series is relatively low.

pelagic

In reply to Re^4: Efficiently parsing a large file by pelagic
in thread Efficiently parsing a large file by neilwatson

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