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Just setup a new R Pi 2B+, using raspbian on a 16gb sd card, ethernet, USB mouse/keyboard and HDMI out.

Finding it extremely slow - the UI is reasonably responsive however installing monodevelop took about two hours. CPU and ram stay around 5% with peak about 30%. I was able to start a C# GUI project in monodevelop and run it without any issues which was nice.

SD card is getting a lot of access when I would expect it to be using far more ram, but its also slow when not accessing SD.

Browser is almost unusable (with one OR many tabs, default or Iceweasel), but cpu/ram are empty. Process memory usage is higher than the total used in ram, which is almost empty.

Would like to know if theres a better performance/task monitor app which can show all 4 cores, set affinity, memory and swap usage etc..?

Ive searched other questions about slowness but could not see any that are related to low cpu usage and empty ram.

Thanks

Kram
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3 Answers3

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A totally obvious solution I'm afraid, have you expanded the file system? You can do this on Raspbian by running 

sudo raspi-config

As I said, it's fairly obvious but easily overlooked and would give you exactly the issue you're facing

Murphyprecht
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Maybe the sd-card is of a low class, that would fit together with slow installations with good internet connection and good processor.

Cupacoffee
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There are two highly likely scenario's here:

1) The SD card isn't fast enough

Buy a better one, class 10 with good read/write speeds

2) your power supply isn't up to the task

Get a good quality (preferably not to long) cable with a 5V 2A adapter.

Havnar
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