Operators of big data clusters must understand the types of applications that run on these clusters to better predict runtimes, tune resource utilization, and increase efficiency. Unfortunately, application developers seldom provide meaningful information to accomplish this task.
Ash Munshi shares techniques for labeling big data apps using runtime measurements of CPU, memory, I/O, and network and details a deep neural network to help operators understand the types of apps running on the cluster. This labeling groups applications into buckets that have understandable characteristics, which can then be used to reason about the cluster and its performance. For example, members of a single group can be studied to understand variability in runtime, effects of different queue assignments, effects of the underlying system hardware architecture, and even the effects of start times for periodic applications. The machine learning techniques presented are new and represent the first approach to classify multivariate time series. The data for the models comes from observing over 22,000 servers and all of their task metrics every five seconds for months.
Ash Munshi is CEO of Pepperdata. Previously, Ash was executive chairman for deep learning startup Marianas Labs (acquired by Askin in 2015); CEO of big data storage startup Graphite Systems (acquired by EMC DSSD in 2015); CTO of Yahoo; and CEO of a number of other public and private companies. He serves on the board of several technology startups.
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