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New techniques to lower the tail latency in stream processing systems
Du, Guangxiang
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https://hdl.handle.net/2142/90610
Description
- Title
- New techniques to lower the tail latency in stream processing systems
- Author(s)
- Du, Guangxiang
- Issue Date
- 2016-04-22
- Director of Research (if dissertation) or Advisor (if thesis)
- Gupta, Indranil
- Department of Study
- Computer Science
- Discipline
- Computer Science
- Degree Granting Institution
- University of Illinois at Urbana-Champaign
- Degree Name
- M.S.
- Degree Level
- Thesis
- Keyword(s)
- tail latency
- stream processing systems
- Abstract
- Over the past decade, the demand for real time processing of huge amount of streaming data has emerged and grown rapidly. Apache Storm, Apache Flink, Samza and many other stream processing frameworks have been proposed and implemented to meet this need. Although lots of effort has been made to reduce the average latency of stream processing systems, how to shorten their tail latency has received little attention. This thesis presents a series of novel techniques for reducing the tail latency in stream processing systems like Apache Storm. Concretely, we present three mechanisms: (1) adaptive timeout coupled with selective replay to catch straggler tuples; (2) shared queues among different tasks of the same operator to reduce overall queueing delay; (3) latency feedback-based load balancing, intended to mitigate heterogenous scenarios. We have implemented these techniques in Apache Storm, and present experimental results using sets of micro-benchmarks as well as two topologies from Yahoo! Inc. Our results show improvement in tail latency in the range of 2%-72.9%.
- Graduation Semester
- 2016-05
- Type of Resource
- text
- Permalink
- http://hdl.handle.net/2142/90610
- Copyright and License Information
- Copyright 2016 Guangxiang Du
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