'grep -v -f' is slower to run on RHEL 6 than on RHEL 5
Issue
- The time it takes to run
grep -f somefile somefile.different
on RHEL 6 & 7.0 is much greater than the same command on the same files on RHEL 5
Environment
- Red Hat Enterprise Linux (RHEL) 6
grep-2.6.3-6.el6
(or earlier)
- Red Hat Enterprise Linux (RHEL) 7
grep-2.16-1.el7
(or earlier)
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