[Icecast] Client auth failed with ""

[subscription at nextdial.com.br]

Hello,
  
  I have a dedicated host and the server is a 2 x Intel Xeon X5560 Clock 
2.80 GHZ x 8 Cores.
  
 Looking at htop command report and +8k listeners streaming in 48Kbps AAC:
  	Icecast has peak of 85% CPU usage in 1 core; 	Sometimes show 4 cores 
usage; 	Rarely show 8 cores usage; 
 So, how to improve the server usage? KVM virtualize it with 1 VM per core? 
Or theres anything else to do?

  
 ps: Ubuntu 16.04 and Icecast 2.4.2 with SSL 
(http://download.opensuse.org/repositories/multimedia:/xiph/xUbuntu_16.04/)


  
  
  
  
 Best,
 Thiago

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