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Re: [Atlas-connect-l] New resource on ATLAS Connect: UC RCC
- From: Lincoln Bryant <lincolnb AT uchicago.edu>
- To: Rob Gardner <rwg AT hep.uchicago.edu>, atlas-connect-l <atlas-connect-l AT lists.bnl.gov>
- Subject: Re: [Atlas-connect-l] New resource on ATLAS Connect: UC RCC
- Date: Tue, 28 Jan 2014 20:13:48 -0600
Hi Rob, all,
Regarding the rcc.uchicago.edu resource, Dave Lesny and I have been working on a wrapper script for Midway jobs that would automatically make CVMFS available to ATLAS Connect users. However, one limitation of Parrot is that switching between repositories (e.g., from atlas.cern.ch to atlas-condb.cern.ch) is only experimentally supported. In practice, I have found the repository switching to be very slow. This leads me to the following question: What kind of workloads can be run with only the atlas.cern.ch repository? When I try to setup ALRB, for example, I get warnings that atlas-condb and sft are not mounted. I notice that on MWT2 we have atlas-nightlies available as well. --Lincoln On 1/28/2014 6:35 PM, Rob Gardner wrote: I just submitted 20,000 5 minute jobs. They all ran successfully. Below is a partial histogram of the job distribution. Notice the new resource, rcc.uchicago.edu <http://rcc.uchicago.edu>, which is from the UC research computing center (the nodes have names with “midway” in the name). Note - they don’t have CVMFS mounted, one has to use Parrot to access CVMFS. We hope to get a nice ROOT example in the ATLAS ConnectBook giving a recipe. Note this resource wont always be available, but we are working on gaining access as backfill. - Rob --- Rob Gardner • Twitter: @rwg •Skype: rwg773 • g+: rob.rwg • +1 312-804-0859 • University of Chicago _______________________________________________ Atlas-connect-l mailing list Atlas-connect-l AT lists.bnl.gov https://lists.bnl.gov/mailman/listinfo/atlas-connect-l |
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[Atlas-connect-l] New resource on ATLAS Connect: UC RCC,
Rob Gardner, 01/28/2014
- Re: [Atlas-connect-l] New resource on ATLAS Connect: UC RCC, Lincoln Bryant, 01/28/2014
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