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首页> 美国政府科技报告 >Characterizing Application Runtime Behavior from System Logs and Metrics.
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Characterizing Application Runtime Behavior from System Logs and Metrics.

机译：从系统日志和度量标准表征应用程序运行时行为。

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摘要

Large-scale systems are heavily-shared resource environments where a mix of applications run concurrently and compete for network and storage resources. It is essential to characterize the runtime behavior of these applications in order to provision system resources and understand the impact of resource contention on an applications performance. In this paper, we study the use of zero- and low-overhead system logs and other system metric data for characterizing the runtime behavior of several applications. We present our preliminary work on estimating an applications I/O demands by observing its file system usage patterns over multiple runs, and on estimating an applications network utilization by observing link-layer error logs. We also present preliminary findings on using such information in making context-sensitive scheduling decisions that minimize potentially negative interactions between applications competing for shared resources. Our analysis is based on four months of system log data collected on one of the world's largest supercomputing facilities, the Jaguar XT5 petaflop system at Oak Ridge National Laboratory.

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