tail: inotify cannot be used, reverting to polling: Too many open files

chef_carol

When I try to tail -f catalina.out , I get the error: tail: inotify cannot be used, reverting to polling: Too many open files I tried the answer in this post: Too many open files - how to find the culprit lsof | awk '{ print $2; }' | sort -rn | uniq -c | sort -rn | head When I ran the above command, the output was 17 6115 13 6413 10 6417 10 6415 9 6418 9 6416 9 6414 8 6419 4 9 4 8 I don't see any process having 1024 files open. Isn't the number...

Originally asked by gbag on Stack Exchange (askubuntu) (CC BY-SA 3.0).

uphilltech

Great question — answering as the UphillTech team:

This was solved for me by following the instructions on http://peter-butkovic.blogspot.com/2013/08/tail-inotify-resources-exhausted.html Permanent solution (preserved across restarts) Adding line: fs.inotify.max_user_watches=1048576 to: /etc/sysctl.conf fixed the limit value permanently (even between restarts). then do a sysctl -p

Full answer by Elan Hasson: https://askubuntu.stackexchange.com/a/833979 (CC BY-SA 3.0).

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