It is very strange indeed. Before I went to bed I started the command two times sequentially. The first gave:
real 52m49.51s
user 10m11.98s
sys 6m37.97s
perc 31.86
and the second:
real 17m7.79s
user 10m14.76s
sys 6m5.03s
perc 95.33
The first took three times as much real time, but the spend time is about the same.
So in the morning I thought lets do it multiple times with:
for i in $(seq 7) ; do
After more as three hours it was still busy with the first one. So I cancelled it and started it anew and got:
real 20m48.56s
user 10m17.09s
sys 6m13.42s
perc 79.33
real 17m25.53s
user 11m8.20s
sys 6m15.04s
perc 99.78
real 17m26.89s
user 11m9.30s
sys 6m15.26s
perc 99.78
real 16m29.56s
user 10m23.10s
sys 6m4.68s
perc 99.82
real 15m40.67s
user 9m40.58s
sys 5m58.60s
perc 99.84
real 16m11.05s
user 10m5.58s
sys 5m55.47s
perc 98.97
real 16m19.01s
user 10m6.34s
sys 5m58.08s
perc 98.51
I am starting to wonder if there is a problem with my system. :'-(