[Numpy-discussion] Using numpy on hadoop streaming: ImportError: cannot import name multiarray

Kartik Kumar Perisetla kartik.peri at gmail.com
Wed Feb 11 02:06:12 EST 2015


Thanks David. But do I need to install virtualenv on every node in hadoop
cluster? Actually I am not very sure whether same namenodes are assigned
for my every hadoop job. So how shall I proceed on such scenario.

Thanks for your inputs.
Kartik
On Feb 11, 2015 1:56 AM, "Daπid" <davidmenhur at gmail.com> wrote:

> On 11 February 2015 at 03:38, Kartik Kumar Perisetla
> <kartik.peri at gmail.com> wrote:
> > Also, I don't have root access thus, can't install numpy or any other
> > package on cluster
>
> You can create a virtualenv, and install packages on it without
> needing root access. To minimize trouble, you can ensure it uses the
> system packages when available. Here are instructions on how to
> install it:
>
>
> https://stackoverflow.com/questions/9348869/how-to-install-virtualenv-without-using-sudo
>
> http://opensourcehacker.com/2012/09/16/recommended-way-for-sudo-free-installation-of-python-software-with-virtualenv/
>
> This does not require root access, but it is probably good to check
> with the sysadmins to make sure they are fine with it.
>
>
> /David.
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