JupyterHub and nbgrader - kernel keeps restarting

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Lauren Shareshian

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Jun 9, 2017, 2:03:08 PM6/9/17
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Hi there,

This is my first time setting up a website/server in order to run https://github.com/jupyterhub/jupyterhub-deploy-teaching for my class. I think everything is set up right but when I tried it with three students online at once today, their kernels kept restarting every 15 seconds or so and it was very slow. I purchased 512 MB/20 GB Disk space on a DigitialOcean server and got the performance below. Is it just a matter of purchasing more server space or do you think it is a deeper issue? I'll want 40 kids total on the website at once ideally.

Thanks so much!
Lauren Shareshian


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