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Distributed Data Management at DKRZ

Distributed Data Management at DKRZ

Distributed Data Management at DKRZ. Wolfgang Sell Hartmut Fichtel Deutsches Klimarechenzentrum GmbH sell@dkrz.de, fichtel@dkrz.de. Table of Contents. DKRZ - a German HPC Center HPC Systemarchitecture suited for Earth System Modeling The HLRE Implementation at DKRZ

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476 views • 37 slides
PVM

PVM

PVM. PVM - What Is It?. Stands for: Parallel Virtual Machine A software tool used to create and execute concurrent or parallel applications. Operates on a collection of heterogenous Unix computers connected by one or more networks. Communication accomplished by message passing.

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418 views • 27 slides
Large Output and Shared File Systems

Large Output and Shared File Systems

Large Output and Shared File Systems. Thursday PM, Lecture 1 Lauren Michael. StashCache. Lots of experiments also use StashCache. Per-job transfer limits. <100MB/file, 1GB total. exec server. exec server. exec server. exec server. submit server. HTCondor. <1GB total. (exec dir)/

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272 views • 27 slides
Managing large-scale workflows with Pegasus

Managing large-scale workflows with Pegasus

Managing large-scale workflows with Pegasus. Karan Vahi ( vahi@isi.edu ) Collaborative Computing Group USC Information Sciences Institute. Funded by the National Science Foundation under the OCI SDCI program, grant #0722019. Pegasus Workflow Management System.

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374 views • 26 slides
Pegasus 4.2 on the Open Science Grid

Pegasus 4.2 on the Open Science Grid

Pegasus 4.2 on the Open Science Grid. Mats Rynge USC Information Sciences Institute. Workflows on OSG: What do users care about?. Data Management How do you ship in the small/large amounts data required by the workflows ? Can I use SRM? How about GridFTP ? HTTP and Squid proxies?

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308 views • 19 slides

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