Posix - Speed up "find" + "exec" command (recursive)
I learn some trick today on how to speed up find
, exec
command. Let check this out:
# let see how many files we have
$ find . -type f | wc -l
36367
# lets check every file status
$ time find . -type f -exec stat {} \; > /dev/null
real 0m40.107s
user 0m14.381s
sys 0m26.410s
# lets check every file status
$ time find . -type f -exec stat {} + > /dev/null
real 0m1.281s
user 0m0.626s
sys 0m0.656s
Wow that’s quite a huge difference! Impressive! All we did was swap the \;
for a +
.
Explanation? You may refer here1
-
Martin Tournoij [Carpetsmoker], (2019, May 4). “Making find -exec faster”. https://www.arp242.net/make-find-exec-faster.html ↩
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