[Wikitech-l] Re: 🚂🌈 Summary of 1.38.0-wmf.2 train deployment

[Tyler Cipriani]

There were a few folks with very reasonable questions about the 🔢
*Numbers* section
of this email, hopefully this helps:

📈 *A sparkline explainer *🌠

The 🔢 *Numbers* section of this email had sparklines:

   - Sparklines are small graphs of a set of numbers
      - 1, 2, 3, 4, 5 looks like ▁▃▄▆█
      - 0, 1, 0, 1, 0 looks like ▁█▁█▁
   - There a are 5 bars, each is a train version
      - from left to right: 1.37.0-wmf.20, 1.37.0-wmf.21, 1.37.0-wmf.23,
      1.38.0-wmf.1, *1.38.0-wmf.2* (latest)
   - Metric key:
      - *Patches*: # of changes we deployed with the train
      - *Rollbacks*: # of times we undeployed the new version due to
      problems
      - *Days of delay*: # of days we delayed the new version due to
      problems
      - *Blocking tasks: *# of tasks we had to investigate before full
      deployment

All these numbers come from our "train-stats" repo
<https://gitlab.wikimedia.org/thcipriani/train-stats>. Hopefully, that's
helpful for the curious or confused.

<3
– Tyler

On Mon, Oct 4, 2021 at 5:26 PM Tyler Cipriani <tcipri...@wikimedia.org>
wrote:

> This email is a summary of the Wikimedia production deployment of
> 1.38.0-wmf.2.
>
>    - Conductor: Jeena Huneidi
>    - Backup: Dan Duvall
>    - Blocker task: T281166 <https://phabricator.wikimedia.org/T281166>
>    - Current Status: Live everywhere <https://versions.toolforge.org/>
>
> *🔢 Numbers*
>
>    - 351 patches ▁▄▇██
>    - 1 rollback █▁█▁█
>    - 0 days of delay █▁█▁▁
>    - 8 blocking tasks ▆▃▃▁█
>    - Closest to the buzzer: 3.3 hours before branch cut
>    <https://gerrit.wikimedia.org/r/c/mediawiki/core/+/724202> a nice
>    catch by Reedy
>
> *🚂🌈 Trainbow love*
>
> This train was bound for glory thanks to:
>
>    - DannyS712
>    - Legoktm
>    - Kosta Harlan
>    - Samuel
>    - Krinkle
>    - Jon Robson
>    - Olga Vasileva
>    - Taavi Väänänen
>    - Petr Pchelko
>    - Zabe
>
> Sincere trainbow appreciation to you all <3
>
> With wikilove,
>
> Tyler Cipriani (he/him)
> Engineering Manager, Release Engineering
> Wikimedia Foundation
>

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