Modern data centers that provide Internet-scale services are stadium-size structures housing tens of thousands of heterogeneous de- vices (server clusters, networking equipment, power and cooling infras- tructures) that must operate continuously and reliably. As part of their operation, these devices produce large amounts of data in the form of event and error logs that are essential not only for identifying problems but also for improving data center eciency and management. These activities employ data analytics and often exploit hidden statistical pat- terns and correlations among dierent factors present in the data. Un- covering these patterns and correlations is challenging due to the sheer volume of data to be analyzed. This paper presents BiDAl, a prototype \log-data analysis framework" that incorporates various Big Data tech- nologies to simplify the analysis of data traces from large clusters. BiDAl is written in Java with a modular and extensible architecture so that dif- ferent storage backends (currently, HDFS and SQLite are supported), as well as dierent analysis languages (current implementation supports SQL, R and Hadoop MapReduce) can be easily selected as appropriate. We present the design of BiDAl and describe our experience using it to analyze several public traces of Google data clusters for building a simulation model capable of reproducing observed behavior.
BiDAl: Big Data Analyzer for Cluster Traces
Alkida Balliu,Dennis Olivetti,Özalp Babaoglu,M. Marzolla,A. Sîrbu
Published 2014 in GI-Jahrestagung
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- Publication year
2014
- Venue
GI-Jahrestagung
- Publication date
2014-10-06
- Fields of study
Computer Science, Engineering
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