Hello!
We have a problem with very slow work puppetserver.
We have ~300 nodes, master runs on a server with 24 cores and 20 GB of
memory.
Pappet agent log:
Notice: Applied catalog in 4845.82 seconds
Changes:
Total: 1043
Events:
Success: 1043
Total: 1043
Resources:
Out of sync: 1025
Changed: 1025
Total: 1521
Restarted: 38
Time:
Filebucket: 0.00
Resources: 0.00
Sensu api config: 0.00
Sensu redis config: 0.00
Sensu enterprise dashboard config: 0.00
Concat file: 0.00
Schedule: 0.00
Sensu client config: 0.00
Anchor: 0.00
Concat fragment: 0.00
Mailalias: 0.00
Sensu rabbitmq config: 0.02
Ipmi user: 0.03
Group: 0.05
Cron: 0.07
Yumrepo: 0.07
Sensu check: 0.08
Host: 0.09
User: 0.97
Last run: 1513034474
Exec: 19.23
Sshkey: 2.83
Package: 232.51
Augeas: 5.00
File: 4466.81
Total: 4810.97
Config retrieval: 75.19
Service: 8.01
Version:
Config: 1513029567
Puppet: 4.4.1
In fact, time is even 1.5 times more.
strace master process (and his thread of course):
> # cat strace.txt | grep stat | wc -l
> 2094587
> # cat strace.txt | grep -v stat | wc -l
> 566745
>
There are a lot of call:
26104 stat ("/ etc / puppetlabs / code / environments / production / shared
/ modules / elasticsearch / lib / puppet / parser / functions /../../../
hiera / backend / eyaml / encryptors / pkcs7.rb" , <unfinished ...>
Threads call it many of times and hang in this state. We use the elastic
module for a long time and there were no this problem.
How can I understand, what is the reason for this?
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