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Vasily Velikhov

Tier-1 for ATLAS, ALICE & LHCb at Kurchatov Institute (NRC KI). Vasily Velikhov. NRC KI in WLCG. LHC experiments. Simulations and data analysis. WLCG. LHC data processing and storage. High performance networks. LHC Tier2 resource centers KI ITEP IHEP PNPI.

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Vasily Velikhov

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  1. Tier-1 for ATLAS, ALICE & LHCb at Kurchatov Institute (NRC KI) Vasily Velikhov

  2. NRC KI in WLCG LHC experiments Simulations and data analysis WLCG LHC data processing and storage High performance networks LHC Tier2 resource centers KI ITEP IHEP PNPI LHC Tier1 resource center KI: -ATLAS -ALICE -LHCb Data

  3. DC & Computer rooms 4x400 m2 computer rooms

  4. Power & Cooling infrastructure Electrical and mechanical subsystems: 15 MVA

  5. NRC KI Tier-1 overview • Tier-1 in NRC “KI” will: • support 3VOs: ALICE, ATLAS and LHCb; • run both WLCG general services and VO-specific services*. • We define 4 milestones*: • Dec 2012— prototype, LHCOPN — 2 Gbit/sec; • Jul 2013 —tested LHC OPN (2 Gbit/sec), WLCG and VO-specific services, resource upgrade,; • Nov 2013 — resource upgrade; • Dec 2014 — LHC OPN, WLCG and VO-specific services are tested to comply with A&R requirements; resource upgrade. • * Details are outlined in the execution plan

  6. Growth of resources in NRC KI • Disk resources include tape buffer pools • Resources of 2014 are calculated as 30% increase fromfigures of 2013

  7. The process of creating the Tier-1 at the NRC KI History of creation

  8. The current state (08.2013) of resource Tier-1 NRC KI center.

  9. Schematic diagram of NRC KI Tier-1 cluster

  10. Connectivity for NRC KI Tier-1 - current status

  11. Connectivity for NRC KI Tier-1 - plan for 2014

  12. The processing of real data of the experiment «ATLAS» in the Tier-1 NRCKI • Starting with May 2013 the tasks processed by our center: • May – 66111; • June – 59138; • July – 94432; • August – 70912; • Total = 290 593 tasks. • Of them successfully processed: • May – 65884; • June – 58 754; • July – 93 902; • August – 69 216. • Total = 287 756 tasks, accounting for 99,024 percentof all processed tasks. Processed over 200 TeraBytes of data • So that reliability of the prototype was 99% for the time of processing.

  13. «Alice» & «LHCb»in the Tier-1 NRCKI • These experiments will begin their work on our Tier-1 prototype this autumn already after we finish remaking our network to 40 Gigabit core.

  14. ? HPC+HTC Grid & cloud infrastructure N x 10Gb/s HPC 2 : INTEL CPUs 123 TF HPC 3: GPGPUs 127 TF 1 PB Lustre Data store for Data Integration HPC 3 SMPs HPC 1: INTEL CPUs 34 TF Grid & cloud farms Experimental facilities Video cluster & wall

  15. HPC as a Service • HPC as a Service: make HPC clouds possible • OpenStack cloud platform is a basis • Uses KVM/QEMU with our modifications • Provides infrastructure as a service (IaaS) • Prototype is available and currently being tested • Further optimize VM performance • Decrease host OS noise • Further reduce virtualization overhead • Build specialized software/platform level services on top of HPC as a Service system • Bare-metal HPC clouds • No overhead, but requires careful hardware setup • Big Data, GPGPU virtualization • Many SaaS/PaaS applications

  16. Tier-1 for ATLAS, ALICE & LHCb at Kurchatov Institute (NRC KI) Thank you!

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