On 1/11/17 9:58 AM, Zachary Vida wrote:
Hello, I was wonder if there are any significant impovements in later
version of puppet >= 2.6 to catolog compilation and/or application
runtimes.
In an environment I manage we populate many local files
(/etc/passwd,/etc/group,/etc/hosts) via ENC. This results in a steady
state catalog compilation/apply run times of several minutes and during
an inital puppet apply clocking in at 90 minutes.
Depends on a number of factors. Without knowing more about the system
this is general advice and numbers.
- Upgrade to Puppet 3.8.x. Should be a fairly simple update in most
environments. Expect file serving and catalog compile to take 50% of the
time with 3.8 masters as compared to 2.7 masters. I don't have numbers
on 2.6 masters. You must have 2.7 agents to talk to 3.x masters.
- Upgrade the Puppet master to a distro running Ruby 1.9.3 or better.
Expect catalog compiles to drop to 50% of the 1.8.7 run time with Ruby
1.9.3 or 25% with 2.1. This can be a complex upgrade if you have
templates that use str.each or wrote your own functions.
- Replace source => 'puppet:///modules/sudo/sudoers', with content =>
file('sudo/sudoers'), in as many places as possible. Note do not do this
for binary files, there can be problems with utf8 data. The catalog will
be larger over the wire, but a faster apply since you can eliminate
additional https connections. However I expect you're doing a fair
amount of source => 'puppet:///modules/thing/some_dir_full_of_files/'
and file() can't help you there.
- Use Passenger, tune it appropriately.
https://ask.puppet.com/question/13433/how-should-i-tune-passenger-to-run-puppet/
For the record, I can admit to having "tens of thousands of hosts" and
over half of them have 4k+ file resources.
Ramin
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