SC13 Home > SC13 Schedule > SC13 Presentation - Using Simulation to Explore Distributed Key-Value Stores for Extreme-Scale System Services

SCHEDULE: NOV 16-22, 2013

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Using Simulation to Explore Distributed Key-Value Stores for Extreme-Scale System Services

SESSION: Fault-Tolerant Computing

EVENT TYPE: Papers

TIME: 2:30PM - 3:00PM

SESSION CHAIR: Pavan Balaji

AUTHOR(S):Ke Wang, Abhishek Kulkarni, Michael Lang, Dorian Arnold, Ioan Raicu

ROOM:201/203

ABSTRACT:
Owing to the significant high rate of component failures at extreme scales, system services will need to be failure-resistant, adaptive and self-healing. A majority of HPC services are still designed around a centralized paradigm and hence are susceptible to scaling issues. Peer-to-peer services have proved themselves at scale for wide-area internet workloads. Distributed key-value stores (KVS) are widely used as a building block for these services, but are not prevalent in HPC services. In this paper, we simulate KVS for various service architectures and examine the design trade-offs as applied to HPC service workloads to support extreme-scale systems. The simulator is validated against existing distributed KVS-based services. Via simulation, we demonstrate how failure, replication, and consistency models affect performance at scale. Finally, we emphasize the general use of KVS to HPC services by feeding real HPC service workloads into the simulator and presenting a KVS-based distributed job launch prototype.

Chair/Author Details:

Pavan Balaji (Chair) - Argonne National Laboratory

Ke Wang - Illinois Institute of Technology

Abhishek Kulkarni - Indiana University

Michael Lang - Los Alamos National Laboratory

Dorian Arnold - University of New Mexico

Ioan Raicu - Illinois Institute of Technology

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The full paper can be found in the ACM Digital Library