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Network Playback, Buffers, Continuous Stream, etc...


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Here is a graph of data traffic for my Ubuntu Studio 20.04 server running HQP Desktop and Roon Server. I have a Intel X520-DA1 fiber optic card installed running at 10Gbe and connected to a 10Gbe port on my Mikrotik switch. My opticalRendu (HQP NAA) is connected to the same switch running at 1Gbe. Music files are stored on a NAS.

 

There is definitely a spike when it loads a new track. RX=top line TX=bottom line. The spike occurs several seconds before the new track actually plays.

 

594411301_LinuxNetworkFlow.jpg.4f701a22dadffc7a2c4d436322c4eba4.jpg

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12 hours ago, The Computer Audiophile said:

For those with spikes during playback, does the entire track get sent, thus enabling the cable to be pulled (if you actually wanted)?

 

I was monitoring the network traffic as the last track finished up and there was a continuous small amount of inbound (RX) traffic until maybe 5 -10 seconds before the track ended then the traffic dropped to basically nothing.

 

So it appears that a chuck of the file is loaded (buffered) well before it starts playing (thus the spike) then a constant stream after that.

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