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Elixir: An Agent for Supporting Elasticity in Docker Swarm

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Advanced Information Networking and Applications (AINA 2020)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1151))

Abstract

Elixir is an autonomous agent that extends the capabilities of Docker Swarm in certain ways: (a) it supports monitoring of resources in real-time, (b) introduces a scheduler for balancing the workload among swarm nodes and, most importantly, (c) supports automatic scaling-up (or down) of worker nodes at run-time with no downtime (i.e. without stopping the system). The proposed scaling strategy is reactive and works by responding to static (pre-defined) thresholds applying on resource metrics (e.g. RAM, CPU). The experimental results demonstrate that Docker Swarm with Elixir responds to the increasing (or decreasing) resource demands of each application leading to significantly faster response times compared to its non-auto scaled counterpart, while maintaining optimal allocation of resources per application.

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Notes

  1. 1.

    https://www.docker.com.

  2. 2.

    https://kubernetes.io.

  3. 3.

    https://docs.docker.com/engine/swarm/.

  4. 4.

    https://docs.docker.com/config/containers/resource_constraints/.

  5. 5.

    https://docs.docker.com/v17.09/engine/swarm/how-swarm-mode-works/nodes/.

  6. 6.

    https://docs.docker.com/engine/swarm/swarm-tutorial/add-nodes/.

  7. 7.

    https://docs.docker.com/v17.09/engine/swarm/how-swarm-mode-works/nodes/.

  8. 8.

    https://www.zabbix.com.

  9. 9.

    https://docs.nginx.com/nginx/admin-guide/web-server/reverse-proxy/.

  10. 10.

    https://www.zabbix.com/zabbix_agent.

References

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Author information

Authors and Affiliations

  1. School of Electrical and Computer Engineering, Technical University of Crete (TUC), Chania, Greece

    Michail S. Alexiou & Euripides G. M. Petrakis

Authors
  1. Michail S. Alexiou
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  2. Euripides G. M. Petrakis
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Corresponding author

Correspondence to Euripides G. M. Petrakis .

Editor information

Editors and Affiliations

  1. Department of Information and Communication Engineering, Faculty of Information Engineering, Fukuoka Institute of Technology, Fukuoka, Japan

    Leonard Barolli

  2. Department of Electrical Engineering and Information Technology, University of Naples “Frederico II”, Naples, Italy

    Flora Amato

  3. Department of Political Science, University of Campania “Luigi Vanvitelli”, Caserta, Italy

    Francesco Moscato

  4. Faculty of Business Administration, Rissho University, Tokyo, Japan

    Tomoya Enokido

  5. Department of Advanced Sciences, Faculty of Science and Engineering, Hosei University, Tokyo, Japan

    Makoto Takizawa

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Alexiou, M.S., Petrakis, E.G.M. (2020). Elixir: An Agent for Supporting Elasticity in Docker Swarm. In: Barolli, L., Amato, F., Moscato, F., Enokido, T., Takizawa, M. (eds) Advanced Information Networking and Applications. AINA 2020. Advances in Intelligent Systems and Computing, vol 1151. Springer, Cham. https://doi.org/10.1007/978-3-030-44041-1_96

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