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Thursday, June 1 • 14:50 - 15:30
Parallelizing CI Using Docker Swarm-Mode - Akihiro Suda, NTT Corporation

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Slowness of CI is a critical issue in software development, because it discourages engineers from writing tests, and hence deteriorates the quality of the product.

In this presentation, Akihiro Suda will talk about how to accelerate CI by executing test functions in parallel, across a Docker Swarm-mode cluster.
One of the major challenges was the nonuniformity of the makespan. e.g. some chunk of test functions can take 30 minutes, some chunk can take just 10 seconds...
So, he mitigates such a nonuniformity by randomizing the composition of chunks of test functions.

As a result, for example, the integration test of Docker itself that had taken more than 80 minutes can be finished in 4 minutes, with 10 Docker Swarm-mode nodes.
This hack can be easily applied to CI of other software as well.

Speakers
avatar for Akihiro Suda

Akihiro Suda

Software Engineer, NTT Corporation
Akihiro Suda is a software engineer at NTT Corporation, a Japan-based telecommunication company. | He has been a core maintainer of Docker Engine since November 2016. | He has previously talked at several FLOSS conferences such as FOSDEM and ApacheCon.


Thursday June 1, 2017 14:50 - 15:30
Room 6

Attendees (21)