[Bug 1834072] Re: Puppet agent using 100% CPU, in sched_yield() loop. Looks like an issue with ruby2.3 which has been fixed but not yet made it into Ubuntu.

[Andreas Hasenack]

The packages from the ppa finally built overnight, so you can also just
add the ppa. Instructions are at
https://launchpad.net/~ahasenack/+archive/ubuntu/ruby-cpu-busy-
loop-1834072/, but it boils down to this command:

sudo add-apt-repository ppa:ahasenack/ruby-cpu-busy-loop-1834072

Then:

sudo apt-get update

and the new ruby packages should be visible on your xenial system and
ready to be upgraded via usual apt commands.

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https://bugs.launchpad.net/bugs/1834072

Title:
  Puppet agent using 100% CPU, in sched_yield() loop.  Looks like an
  issue with ruby2.3 which has been fixed but not yet made it into
  Ubuntu.

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