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Funny... It seems extracting an uncompressed tar archive on the z50 is CPU-bound?

Needs about the same time on an nfs volume and on the local CF card (well, SD-card in a CF adapter)...

nfs:
z50# time tar xf pkgsrc-2020Q1.tar
14490.78 real 385.77 user 9765.67 sys

local:
z50# time tar xf pkgsrc-2020Q1.tar
14765.00 real 391.25 user 11697.85 sys

In contrast to that, bzip2 -d on the original tar.bz2 was about three times quicker on the local storage?

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