Currently, about 4250 job slots:
http://gridmap.cern.ch/gm/?topo=regions&layout=rj&vo=biomed&serv=Site&drilldown=UKI&sitenames&voview
Duncan
David Colling wrote:
> How much of the GridPP resources are being used this way? While we
> haven't gone into the same amount of detail in the analysis our CPU
> efficiency has dropped to 10-20% a couple of times in the last few days
> when we have had a lot of biomed jobs running (as opposed to ~100% when
> running CMS/Atlas/LHCb MC production with which we have been occupied
> recently).
>
> All the best,
> david
>
> Greig A. Cowan wrote:
>> Hi,
>>
>> See the attached plot for the efficiency of all biomed jobs at
>> Edinburgh over the past 2 weeks. A couple of points:
>>
>> 1. The CPU efficiency is very low for all biomed users.
>> 2. Many jobs are killed off by the batch system when they reach the
>> 24hr limit (exit code 137).
>>
>> Cheers,
>> Greig
>>
>> Alex Martin wrote, On 24/11/08 11:04:
>>> I should add that this same user has submitted ~11K jobs to our HTC
>>> in the last 2 weeks with a cpu/wall clock efficiency of ~ 4.6K
>>> hours/ 146K hours =~ 3% :
>>>
>>> Username njob % wall user system cpu
>>> biomed032 7288 20 90949 1466 224 2907
>>> biomed032 2741 16 56169 1310 100 1751 cheers,
>>> Alex
>>>
>>> On Monday 24 November 2008, Alex Martin wrote:
>>>
>>>> A biomed user managed to start ~1000 gridftp processes on our
>>>> old SE node here last week.
>>>>
>>>> cheers,
>>>> Alex
>>>>
>>>> On Monday 24 November 2008, Coles, J (Jeremy) wrote:
>>>>
>>>>> Dear All
>>>>>
>>>>>
>>>>>
>>>>> In the site reports for last week Durham report:
>>>>>
>>>>>
>>>>>
>>>>> "A biomed user has been transferring huge amounts of data from our SE
>>>>> (>500
>>>>>
>>>>> requests of the same 2.8GB file to a variety of worker nodes across
>>>>> Europe. Unfortunately the high bandwidth has revealed instabilities
>>>>> when transferring at close to the gigabit limit. I ticketed the user
>>>>> and they have distributed more replicas - but they are not
>>>>> following the
>>>>> grid data-to-cpu model and therefore will cause severe bandwidth
>>>>> issues
>>>>> to all sites."
>>>>>
>>>>>
>>>>>
>>>>> Has any other site seen such a seeding exercise taking place or
>>>>> anything
>>>>> related?
>>>>>
>>>>>
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Jeremy
>>>>>
>>>
>>>
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------
>>
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