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I'm using ubuntu 16.04 LTS.When I was running ambari-server,cloudera image in docker container and apache hadoop the system was not responding anymore.One fine day I observed that my total hard disk was filled with error log files under the path "/var/cache".

I have deleted all log files and freed my disk.I have checked running process using top command,suddenly I was able to find what is the cause for all these problems.cupsd is consuming 100% cpu all times.When I stop the cups service by running service cups stop command it stops the cups till the system is up and running.If I restart my system cupsd is again running and consuming total cpu.

I have searched in many forms to stop cups perminantly and ran following commands

echo "manual" > /etc/init/cups.override
servise cups stop
apt-get remove cups
echo manual > /etc/init/cups-browsed.override
systemctl disable cups.socket cups.path cups.service
systemctl kill --signal=SIGKILL cups.service.

All these commands are temporarily stopping cups.When I restart the system cups is again consuming total cpu.

I tried to remove all packages of cups by following commands.

apt-cache pkgnames cups

which lists all cups related packages. Then I removed all packages using 

apt-get remove <package name>

Still cupsd is running and consuming total cpu. Can anybody give a proper solution for this problem? Also tell me is it to stop cupsd or not.

ravery
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sai krishna
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    what it the error in the logs? – ravery Apr 05 '18 at 09:25
  • I have deleted all log files as they are in few GB size.I will be back with the errors in the logs soon. Thank you, Mr.ravery. – sai krishna Apr 05 '18 at 11:26
  • I have fixed the issue.If anybody got this problem remove all packages regarding 'cups' and remove all error log files under /var/cache directory.Finally, reboot your system.That's all. – sai krishna Apr 06 '18 at 05:18
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    that's may stop the problem, but it isn't a fix since cups is needed for printing. A better solution would be to find out what error is being written to the logs, and fix it. – ravery Apr 06 '18 at 05:19
  • Have a look at this: https://askubuntu.com/questions/648807/cupsd-using-100-cpu-creating-large-80gb-error-log – E.Fard Oct 29 '20 at 13:16

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