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From Jake Staub <jpsta...@gmail.com>
Subject Re: 0.9.9 on Docker with Reverse Proxy Stable, 0.9.12 on Docker with Reverse Proxy Unstable
Date Tue, 20 Jun 2017 13:18:42 GMT
Additional environment information:
Hypervisor = ESXi 6.0.0 Update 2
vCPU = 4
Memory = 16 GB

The following link got me interested in performance problems related to
JVMs:
https://engineering.linkedin.com/blog/2016/11/application-pauses-when-running-jvm-inside-linux-control-groups
<https://engineering.linkedin.com/blog/2016/11/application-pauses-when-running-jvm-inside-linux-control-groups>
 

The following image is a composite based on screen shots from the the VMware
ESXi web client:
<http://apache-guacamole-incubating-users.2363388.n4.nabble.com/file/n1181/0-9-9_and_0-9-12_composite_performance.png>


Both versions of Guacamole hammer the network pretty hard when handling
video. For some reason 0.9.9 holds the connection while 0.9.12 (& 0.9.11)
drops the connection. 

It seems there is a compute resource threshold that 0.9.12 crosses which the
system as implemented cannot handle. The article above suggests higher CPU
quotas may be in order to support JVM stuff.

Regards,
Jake  



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