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Drop older ruby 2.1/2.2/2.3 support #2380

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repeatedly opened this issue Apr 11, 2019 · 7 comments · Fixed by #2750
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Drop older ruby 2.1/2.2/2.3 support #2380

repeatedly opened this issue Apr 11, 2019 · 7 comments · Fixed by #2750
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@repeatedly
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repeatedly commented Apr 11, 2019 •
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Fluentd v1 now works on ruby 2.1 or later but it has several drawbacks.

Removing 2.1/2.2 is good for the further development. td-agent and docker images use ruby 2.3 or later so it doesn't break popular environment.
However removing support without the transition period may break user environment. So support 2.1/2.2 until the end of 2019 is better.

UPDATE: Drop 2.3 together. See https://www.fluentd.org/blog/drop-schedule-announcement-in-2019
@henrich
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henrich commented Apr 12, 2019

Thanks for opening this issue.
Maybe it's also better to discuss future support roadmap, I mean "when we drop support with Ruby2.3, 2.4, 2.5... for fluentd in the future" policy. Not fixed one but a rough consensus is good, IMO.

@repeatedly
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Maybe it's also better to discuss future support roadmap, I mean "when we drop support with Ruby2.3, 2.4, 2.5... for fluentd in the future"

One year support after EOL is good for me but several popular distributions use EOL version with own patches. So fixed drop timeline is not good for community.

@henrich
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henrich commented Apr 20, 2019

Of course, we should care about distributions, and we can predict distros EOL thus suggest "plan" to the community, right?

distro ruby version date
Ubuntu 14.04 LTS ruby 1.9.1 EOL in this April
RHEL6 (CentOS6) ruby 1.8.7 November 2020
Ubuntu 16.04 LTS ruby 2.3.1 April 2021
Debian9 LTS ruby 2.3.3 June 2022
Ubuntu 18.04 LTS ruby 2.5.1 April 2023
Debian10 LTS ruby 2.5.5 May? 2024
RHEL7 (CentOS7) ruby 2.0.0 June 2024
RHEL8 (CentOS8) ? ? 2029

So, I suggest you

  • drop ruby2.1 and 2.2 support in this summer (2019)
  • drop ruby2.3 and 2.4 support in July 2022
  • drop ruby2.5 support - no plan ;)

note: distribution EOL: Ubuntu / Debian / RHEL / CentOS

@ganmacs ganmacs added the v1 label Jul 1, 2019
@ganmacs ganmacs mentioned this issue Jul 11, 2019
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@ioquatix
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ioquatix commented Jul 11, 2019 •
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If current release supports 2.1 and so on, why can’t existing users continue to use it? Why do you need to support forward compatibility for LTS? Surely it’s enough to have a stable branch with security backports, etc. LTS indicates some desire for stability, so does it even make sense that users would want the latest release, or stick to a known good version?

@ganmacs
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ganmacs commented Nov 8, 2019 •
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Drop schedule https://www.fluentd.org/blog/drop-schedule-announcement-in-2019

@ioquatix
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ioquatix commented Nov 9, 2019

Thanks for the update. I will probably remove 2.3 support too.

@ganmacs ganmacs mentioned this issue Dec 12, 2019
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@repeatedly repeatedly changed the title Drop older ruby 2.1/2.2 support Drop older ruby 2.1/2.2/2.3 support Dec 12, 2019
@repeatedly repeatedly mentioned this issue Dec 26, 2019
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@ioquatix
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ioquatix commented Jan 6, 2020

Nice work!

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Drop ruby 2.1/2.2/2.3 support fluent/fluentd
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@repeatedly @ioquatix @henrich @ganmacs