[GE users] Problem running load sensor in python

templedf dan.templeton at sun.com
Tue Mar 17 15:58:27 GMT 2009


The script you included does not print "begin" or "end."  Also, aside 
from waiting to end until is gets a "quit," the script should wait to 
output its values until asked for them.

Daniel

rayson wrote:
> 1) First thing, shouldn't a load sensor loop until it receives "quit" by SGE??
>
> Like this: http://gridengine.sunsource.net/howto/loadsensor.html
>
>
> 2) I'm not very good at Python, but if you are sure that the
> equivalent scipt written in bash or Perl works, then you can try to
> unbuffer the Python I/O stream:
>
> http://stackoverflow.com/questions/107705/python-output-buffering
>
> Rayson
>
>
>
> On 3/17/09, sumyee <sum-yee.lai at hp.com> wrote:
>   
>> Hello,
>>
>> I am running SGE6.2, and I have a problem with running a load sensor written in python.  The values written out by the load sensor doesn't seem to get "picked up" by SGE.  The python script echoes the following when I run it manually:
>>
>> begin
>> cviant39.cv.hp.com:mem_free_s:1.2G
>> cviant39.cv.hp.com:mem_free_h:1.5G
>> end
>>
>> Running qhost -F on cviant39 gives me:
>>   hf:mem_free_h=1.915G
>>   hf:mem_free_s=1.915G
>>
>>
>> Instead of using the mem_free_s and mem_free_h values printed out by the python script, Grid uses the maximum values set on the host.  When I run the same statements in bash or perl, Grid seems to pick up the values without problem.  Has anyone seen this problem before?
>>
>> My python script (that doesn't work) is very simple:
>>
>> #!/usr/bin/env python
>>
>> import os
>>
>> hostname = str(os.environ.get('HOSTNAME'))
>> print hostname + ":mem_free_s:1.2G"
>> print hostname + ":mem_free_h:1.5G"
>>
>>
>> Sum Yee Lai
>>
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>>     
>
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