[IPython-User] Start ipcluster with pure scheme

MinRK benjaminrk@gmail....
Sun Apr 28 11:30:49 CDT 2013


Correct, you cannot specify config for the underlying Controller / Engines
to the ipcluster script.  You must either use config files or start the
controller directly, with `ipcontroller --scheme=pure`

> Is the best way to create a profile and then configure that?
> ipython profile create mycluster --parallel

Yes, or if you want this to be your default profile, as your first command
suggests, you can do

ipython profile create --parallel

to add the parallel config files to your default profile.


On Sun, Apr 28, 2013 at 2:01 AM, John Reid <j.reid@mail.cryst.bbk.ac.uk>wrote:

> Hi,
>
> This issue was killing me:
> https://github.com/ipython/ipython/issues/3106
>
> I have been running about 65000 tasks at a time and was just watching
> the controller spin around. I tried to start to a cluster with the pure
> task scheduler but I get a warning message. I was wondering what the
> correct way to do this is as I didn't see it in the docs.
>
> ipcluster start --n=6 --scheme=pure
>
> gives
>
> WARNING: Unrecognized alias: 'scheme', it will probably have no
> effect.2013-04-28 09:05:06,734.734 [IPClusterStart] Using existing
> profile dir: u'/home/john/.ipython/
> profile_default'
> 2013-04-28 09:05:06.743 [IPClusterStart] Starting ipcluster with
> [daemon=False]
> 2013-04-28 09:05:06.744 [IPClusterStart] Creating pid file:
> /home/john/.ipython/profile_default/pid/ipcluster.pid
> 2013-04-28 09:05:06.744 [IPClusterStart] Starting Controller with
> LocalControllerLauncher
> 2013-04-28 09:05:07.744 [IPClusterStart] Starting 6 Engines with
> LocalEngineSetLauncher
> 2013-04-28 09:05:38.269 [IPClusterStart] Engines appear to have started
> successfully
>
> I have installed the latest dev version from git so I'm guessing this
> issue will go away for me but I'd still like to know how to set the
> taskscheduler from the command line.
>
> Is the best way to create a profile and then configure that?
> ipython profile create mycluster --parallel
>
> Thanks,
> John.
>
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