Re: Can no longer connect to IPython clusters from a remote notebook

From: Alessandro Gagliardi <no email>
Date: Fri, 26 Oct 2012 10:06:07 -0700

Cool. What about Numpy 1.6 and Pandas? I kind of feel like Pandas and
IPython are the peanut butter and chocolate of scientific computing.

On Fri, Oct 26, 2012 at 9:51 AM, Justin Riley <jtriley_at_mit.edu> wrote:

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> FYI, IPython 0.13.1 will be included in the upcoming 12.04 AMIs.
>
> ~Justin
>
> On 10/25/2012 05:04 PM, Alessandro Gagliardi wrote:
> > Weird. I did that and I thought it wasn't working. Maybe something
> > else was wrong. Regardless, it seems to be working now.
> >
> > Thanks, -A
> >
> > On Thu, Oct 25, 2012 at 1:15 PM, MinRK <benjaminrk_at_gmail.com
> > <mailto:benjaminrk_at_gmail.com>> wrote:
> >
> > IPython 0.14 rewrites the connection/handshake step, as well as
> > serialization. It is not compatible with 0.13, so you have to
> > upgrade all IPythons in a given cluster (engine, controller, and
> > client) at once.
> >
> > On Thu, Oct 25, 2012 at 12:50 PM, Alessandro Gagliardi
> > <alessandro_at_path.com <mailto:alessandro_at_path.com>> wrote:
> >
> > I had been able to run IPython Notebook locally and connect to
> > StarCluster using: rc =
> >
> Client('/home/alessandro/.starcluster/ipcluster/myfourthcluster-us-west-1.json',
> >
> >
> sshkey='/home/alessandro/.ssh/path-ops.pem', packer='pickle')
> > I upgraded IPython from 0.12 to 0.13 and it worked for the most
> > part, though I had some trouble at times, so following the advice
> > at https://github.com/ipython/ipython/issues/2171 I upgraded to
> > 0.14. After restarting myfourthcluster I was no longer able to
> > connect. I was still running 0.13 locally and was able to generate
> > the attached crash report. I noticed that my local copy of IPython
> > was looking for a "url" field in the JSON file which now looks
> > like: { "control": XXXXX, "task": XXXXX, "notification": XXXXX,
> > "exec_key": "XXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX", "task_scheme":
> > "leastload", "mux": XXXXX, "iopub": XXXXX, "ssh":
> > "sgeadmin_at_ec2-XX-XX-XX-XX.us-west-1.compute.amazonaws.com
> > <mailto:sgeadmin_at_ec2-XX-XX-XX-XX.us-west-1.compute.amazonaws.com>",
> > "registration": XXXXX, "interface": "tcp://XX.XX.XX.XX", "pack":
> > "pickle", "unpack": "pickle", "location": "XX.XX.XX.XX" } I noticed
> > that a JSON file I had for an older instance looked quite
> > different: { "url": "tcp:///XX.XX.XX.XX:XXXXX", "exec_key":
> > XXXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX,
> >
> > "ssh": "sgeadmin_at_ec2-XX-XX-XX-XX.us-west-1.compute.amazonaws.com
> > <mailto:sgeadmin_at_ec2-XX-XX-XX-XX.us-west-1.compute.amazonaws.com>",
> > "location": "XX.XX.XX.XX" } I tried adding a "url" field but could
> > not figure out what to fill it with. I then figured that the
> > problem could be because of a mismatch between 0.13 on my local
> > machine and 0.14 remotely, so I upgraded. Now when I try the above
> > Client command, it hangs indefinitely.
> >
> > Please help!
> >
> > Thank you, -Alessandro
> >
> > _______________________________________________ StarCluster mailing
> > list StarCluster_at_mit.edu <mailto:StarCluster_at_mit.edu>
> > http://mailman.mit.edu/mailman/listinfo/starcluster
> >
> >
> >
> >
> >
> > _______________________________________________ StarCluster mailing
> > list StarCluster_at_mit.edu
> > http://mailman.mit.edu/mailman/listinfo/starcluster
> >
>
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Received on Fri Oct 26 2012 - 13:06:29 EDT