Date of Original Version

9-2008

Type

Technical Report

Abstract or Table of Contents

SALSA examines system logs to derive state-machine views of the sytem’s execution, along with control-flow, data-flow models and related statistics. Exploiting SALSA’s derived views and statistics, we can effectively construct higher-level useful analyses. We demonstrate SALSA’s approach by analyzing system logs generated in a Hadoop cluster, and then illustrate SALSA’s value by developing visualization and failure-diagnosis techniques, for three different Hadoop workloads, based on our derived statemachine views and statistics.

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