tags 26227 moreinfo done On Thu, Mar 23, 2017 at 12:11 PM, <blood...@gmail.com> wrote: > Today I searched some files and... my server goes to hell (crash). > > replication: > > 0. log into root or user account (whatever) > 1. make a huge empty file (eg. 10 GB of zeros) > (my is: -rw-r--r-- 1 root root 10485760000 Feb 28 18:14 testfile.out) > 2. grep -Hi "\/tmp\/" * 2>/dev/null > 3. crash (probably due to out of memory)
Thanks for the report, but... What version of grep are you using? The latest (grep-3.0) operates pretty quickly, and doesn't even use 3MB of RSS: $ dd status=none bs=1M count=10000 of=big < /dev/zero && env time grep -l x big 3.69user 1.10system 0:04.81elapsed 99%CPU (0avgtext+0avgdata 2388maxresident)k 0inputs+0outputs (0major+102minor)pagefaults 0swaps
