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Achieving Zero Asymptotic Queueing Delay for Parallel Jobs

Published: 06 June 2021 Publication History

Abstract

Zero queueing delay is highly desirable in large-scale computing systems. Existing work has shown that it can be asymptotically achieved by using the celebrated Power-of-d-choices (Pod) policy with a probe overhead d = Ω(log N/1-λ), and it is impossible when d = O(1/1-λ), where N is the number of servers and λ is the load of the system. However, these results are based on the model where each job is an indivisible unit, which does not capture the parallel structure of jobs in today's predominant parallel computing paradigm.
This paper considers a model where each job consists of a batch of parallel tasks. Under this model, we propose a new notion of zero (asymptotic) queueing delay that requires the job delay under a policy to approach the job delay given by the max of its tasks' service times, i.e., the job delay assuming its tasks entered service right upon arrival. This notion quantifies the effect of queueing on a job level for jobs consisting of multiple tasks, and thus deviates from the conventional zero queueing delay for single-task jobs in the literature.
We show that zero queueing delay for parallel jobs can be achieved using the batch-filling policy (a variant of the celebrated Pod policy) with a probe overhead d = Ω(1/(1-λ)log k) in the sub-Halfin-Whitt heavy-traffic regime, where k is the number of tasks in each job and k properly scales with N (the number of servers). This result demonstrates that for parallel jobs, zero queueing delay can be achieved with a smaller probe overhead. We also establish an impossibility result: we show that zero queueing delay cannot be achieved if d = (o(log N/log k)). Simulation results are provided to demonstrate the consistency between numerical results and theoretical results under reasonable settings, and to investigate gaps in the theoretical analysis.

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References

[1]
Xin Liu and Lei Ying. 2018. On achieving zero delay with power-of-d-choices load balancing. In Proc. IEEE Int. Conf. Computer Communications (INFOCOM). Honolulu, HI, USA, 297--305.
[2]
Xin Liu and Lei Ying. 2019. On Universal Scaling of Distributed Queues under Load Balancing. arXiv:1912.11904 [math.PR] (2019).
[3]
Xin Liu and Lei Ying. 2020. Steady-state analysis of load-balancing algorithms in the sub-Halfin--Whitt regime. J. Appl. Probab., Vol. 57, 2 (2020), 578--596.
[4]
Michael Mitzenmacher. 2001. The power of two choices in randomized load balancing. IEEE Trans. Parallel Distrib. Syst., Vol. 12, 10 (2001), 1094--1104.
[5]
Nikita Dmitrievna Vvedenskaya, Roland L'vovich Dobrushin, and Fridrikh Izrailevich Karpelevich. 1996. Queueing system with selection of the shortest of two queues: An asymptotic approach. Problems of Information Transmission, Vol. 32, 1 (1996), 15--27.
[6]
Wentao Weng and Weina Wang. 2020. Achieving Zero Asymptotic Queueing Delay for Parallel Jobs. Proc. ACM Measurement and Analysis of Computing Systems (POMACS), Vol. 4, 3, 1--36.
[7]
Lei Ying, R. Srikant, and Xiaohan Kang. 2015. The power of slightly more than one sample in randomized load balancing. In Proc. IEEE Int. Conf. Computer Communications (INFOCOM). Kowloon, Hong Kong, 1131--1139.

Cited By

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  • (2022)Zero Queueing for Multi-Server JobsACM SIGMETRICS Performance Evaluation Review10.1145/3543516.345392449:1(13-14)Online publication date: 7-Jun-2022
  • (2021)Zero Queueing for Multi-Server JobsProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/34473855:1(1-25)Online publication date: 22-Feb-2021

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Published In

cover image ACM Conferences
SIGMETRICS '21: Abstract Proceedings of the 2021 ACM SIGMETRICS / International Conference on Measurement and Modeling of Computer Systems
May 2021
97 pages
ISBN:9781450380720
DOI:10.1145/3410220
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Publication History

Published: 06 June 2021

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Author Tags

  1. delay performance
  2. load balancing
  3. parallel computing
  4. power-of-d-choices

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View all
  • (2022)Zero Queueing for Multi-Server JobsACM SIGMETRICS Performance Evaluation Review10.1145/3543516.345392449:1(13-14)Online publication date: 7-Jun-2022
  • (2021)Zero Queueing for Multi-Server JobsProceedings of the ACM on Measurement and Analysis of Computing Systems10.1145/34473855:1(1-25)Online publication date: 22-Feb-2021

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