[Tickets #13566] Multi-thread performance while uploading

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Ticket URL: https://bugs.horde.org/ticket/13566
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  Ticket             | 13566
  Created By         | bonnaud at hotmail.com
  Summary            | Multi-thread performance while uploading
  Queue              | Ansel
  Version            | 3.0.1
  Type               | Enhancement
  State              | New
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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bonnaud at hotmail.com (2014-09-15 07:39) wrote:

I'm not sure if it's my configuration, a limitation of imagick or a  
limitation of apache but while uploading picture even if the server  
have 4 core, only 1 core is working and the rest of the horde  
framework is almost on a hang.

I'm using apache 2.4 with php5.2 ( so mpm-prefork ) and php5-imagick  
wich right now give the best performance.

I've also tried with imagemagick -> same behavior, but slightly slower
also with phpGD2 -> don't actually upload all files, don't go over 25%  
cpu neither

I've cheked thru htop and vmware vsphere client ( max 26% of cpu usage  
of the machine confirming only one core is working ) and I also cheked  
pgrep apache2 | wc -l I had 12 instances of apache running.

This is not right now a big issue, but could become so since the mail  
client is almost hanging while uploading pictures.