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From Greg Hogan <c...@greghogan.com>
Subject Re: Hotfixes on the master
Date Fri, 27 May 2016 15:40:13 GMT

I certainly agree that hotfixes are not ideal for large refactorings and
new features. Some thoughts ...

A hotfix should be maven verified, as should a rebased PR. Travis is often
backed up for half a day or more.

Is our Jira and PR process sufficiently agile to handle these hotfixes?
Will committers simply include hotfixes with other PRs, and would it be
better to retain these as smaller, separate commits?

For these cosmetic changes and small updates will the Jira and PR yield
beneficial documentation addition to what is provided in the commit message?

Counting hotfixes by contributor, the top of the list looks as I would


Note: this summary is rather naive and includes non-squashed hotfix commits
included in a PR
$ git shortlog --grep 'hotfix' -s -n release-0.9.0..
    94  Stephan Ewen
    42  Aljoscha Krettek
    20  Till Rohrmann
    16  Robert Metzger
    13  Ufuk Celebi
     9  Fabian Hueske
     9  Maximilian Michels
     6  Greg Hogan
     5  Stefano Baghino
     3  smarthi
     2  Andrea Sella
     2  Gyula Fora
     2  Jun Aoki
     2  Sachin Goel
     2  mjsax
     2  zentol
     1  Alexander Alexandrov
     1  Gabor Gevay
     1  Prez Cannady
     1  Steve Cosenza
     1  Suminda Dharmasena
     1  chengxiang li
     1  jaoki
     1  kl0u
     1  qingmeng.wyh
     1  sksamuel
     1  vasia

On Fri, May 27, 2016 at 6:10 AM, Maximilian Michels <mxm@apache.org> wrote:

> Hi Flinksters,
> I'd like to address an issue that has been concerning me for a while.
> In the Flink community we like to push "hotfixes" to the master.
> Hotfixes come in various shapes: From very small cosmetic changes
> (JavaDoc) to major refactoring and even new features.
> IMHO we should move away from these hotfixes. Here's why:
> 1) They tend to break the master because they lack test coverage
> 2) They are usually not communicated with the maintainer or person
> working on the part being fixed
> 3) They are not properly documented for future reference or follow-ups
> (JIRA/Github)
> That's why I have chosen not to push hotfixes anymore. Even for small
> fixes, I'll open a JIRA/Github issue. The only exception might be
> fixing a comment. It improves communication, documentation, and test
> coverage. All this helps to mature Flink and develop the community in
> a transparent way.
> I'm not sure what our contribution guidelines say about this but I
> would like to update them to explicitly address hotfixes. Let me know
> what you think.
> Best,
> Max

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