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https://issues.apache.org/jira/browse/GUACAMOLE-270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15975844#comment-15975844
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Chris Wheeler commented on GUACAMOLE-270:
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Totally. Here you go. I went through the process of logging in, leaving the
windows task manager performance tab up for a minute and confirmed that chrome
task scheduler was showing low traffic. (About 25Kbps) then I closed the
windows task manager and left it closed for 1 min. The chrome task manager
constantly showed about 1.5Mbps during that screen stillness. Strangely the
packet capture file itself is less than 5MB. But idk, maybe it's compressed.
Here is is:
https://drive.google.com/file/d/0B9XcH5cikPqBamFSWWRVc2lBWjA/view?usp=sharing
> Guacamole consumes an incredible amount of bandwidth when idle
> --------------------------------------------------------------
>
> Key: GUACAMOLE-270
> URL: https://issues.apache.org/jira/browse/GUACAMOLE-270
> Project: Guacamole
> Issue Type: Bug
> Components: guacamole
> Affects Versions: 0.9.11-incubating
> Environment: RDP Docker Chrome
> Reporter: Chris Wheeler
> Priority: Blocker
>
> I am using the latest docker image of guacamole/guacd (0.9.11-i) with RDP and
> Chrome and I have had some users complaining about extreme slowness when
> using it at home after hours. Looking into the issues, it seems that the
> upload bandwidth was being saturated. Which surprised me a little, because
> it's only 5 or 6 people using it. I tested it on my system and looked at the
> chrome task manager which shows bandwidth usage per-tab.
> What I found, is that when the screen is refreshing modestly, bandwidth usage
> is low. For example, I open the windows task manager and go the the
> performance tab which has a little scrolling graph that's always refreshing
> -- watching the chrome tab bandwidth usage with that little graph moving
> inside the guacamole window and the bandwidth is hovering around 50Kbps. But
> then, If I close that window, so that nothing on the screen is refreshing,
> the bandwidth jumps to 2Mbps and stays there until the screen refreshes
> again.
> To reiterate -- when the screen is idle -- bandwidth usage is 2Mpbs. When the
> screen is active -- Bandwidth usage is < 100 Kbps
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