All things data transfery for UK ATLAS for 3 months.

As part of ruminations into how UK Tier2 sites for WLCG are going to evolve their storage. I decided to compare and contrast historical network and file usage for UK WLCG sites for  ATLAS VO for a three month period and relate this info to job completion and data deletion rates.

First we have file  I/O associated with Analysis jobs at the sites:

One should note that not all sites run analysis jobs. So I created a similar table for Production Jobs:

 

I then thought would be interesting to take the totals form the above two tables and see how they relate to the number of Jobs on computer resources. ( I am pretending that thee is no access from non-local worker nodes.

Below is a comparison Total WAN and LAN  data transfers rates with the Size of Storage Element with the total Volume of data which has been deleted from the SE (useful if you are interested in churn rates on your SE):

Caveat on all this info is that it is very much a measure of the VO usage at sites and not necessarily the capability of a site.

Gie's a job!

[Or for those who aren't Scottish: "Give me a job!" ;) ]

I know a few people read this blog so it seems like a good place for some advertising...

A new post-doctoral research associate position has opened up within the particle physics group at Edinburgh University to work on distributed storage management for the GridPP project. This has come about as I am leaving GridPP to move onto other things (physics analysis for LHCb, if you must know) so the project needs a replacement. It will be an exciting time for whomever gets the job since this year we will actually start to see data from the LHC experiments (fingers crossed)! Plus, Edinburgh is a great place to live and work.

All of the details about the position and the online application form can be found here. If you would like any more details please do get in touch.

In addition, the particle physics group in Edinburgh is advertising another job titled "Scientific Programmer". This system administrator position had two main responsibilities. First is the organisation and support of the groups computing needs and secondly to assist in the day-to-day operations of the Edinburgh Tier-2 grid services. All details can be found here. Again, get in touch if you have questions.

Cheers,
Greig

Update: You can get a full listing of the jobs available within the particle physics group at Edinburgh here:

http://www.ph.ed.ac.uk/particle-physics-experiment/positions.html

There's even an advanced fellowship position available if anyone is interested in doing some physics!