<div dir="ltr"><div><div>So today ipython notebook randomly stopped working for me on the nodes. <br><br></div>After a bit of troubleshooting, I discovered that ipython/jupyter uses sqlite for storing notebook histories and sqlite over the NFS is not very efficient, especially if your trying concurrent access to a single notebook from multiple nodes. <br></div><div><br></div><div>Incase you are facing such issues a quick workaround is <br></div><div><br></div><div>$rm -rf ~/.local/share/jupyter/</div><div><br></div><div>or removing the file <code><span class="gmail-pln">nbsignatures</span><span class="gmail-pun">.</span><span class="gmail-pln">db from wherever it is on your home.</span></code></div><div><code><span class="gmail-pln"><br></span></code></div><div><code><span class="gmail-pln">I thought ill post this in public interest.</span></code></div><div><br></div> <br clear="all"><div><div><div><div><div><div><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><span style="color:rgb(0,0,0)"><span style="background-color:rgb(255,255,255)"><span><b>Chirag Nagpal<br></b>
Graduate Student, Language Technologies Institute<br>
School of Computer Science<br>
Carnegie Mellon University<br></span></span></span></div><div><span style="color:rgb(0,0,0)"><span style="background-color:rgb(255,255,255)"><span><a href="http://cs.cmu.edu/%7Echiragn" target="_blank">cs.cmu.edu/~chiragn</a><br></span></span></span></div></div></div></div></div></div>
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