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From "Zach Amsden (Code Review)" <>
Subject [Impala-ASF-CR] Complete guide to important environment variables for build, test, and mini-cluster operations.
Date Wed, 05 Jul 2017 21:00:17 GMT
Zach Amsden has posted comments on this change.

Change subject: Complete guide to important environment variables for build, test, and mini-cluster

Patch Set 1:


> > I personally abhor Google docs as they just seem to get lost in
 > the
 > > Wiki-sea over time.  If we are going to take time to document the
 > > various set of environment variables controlling important
 > aspects
 > > of the build, why not make that accessible to both the internal
 > and
 > > external developers by including it in the codebase.
 > >
 > > This is my first draft of the standard build settings.
 > What about the Wiki, like this page:

Our wikis are pretty nice, and for things like ASAN, totally worth documenting separately,
but for non-major features, keeping this up to date still requires updating things in two
places.  In experience, this isn't something people will do reliably unless forced.  I think
we could force at least minimal documentation by keeping a white-list of exported build variables
and enforcing it with a pre-checkin lint rule.
File bin/

Line 440
> Speaking confidently as the only team member with a fine arts education, I'
Glad to know that my alternative career as the artist Deth Leprikon remains a well kept secret.
File docs/Developer-Guide/Build-Environment.txt:

Line 1: Environment Variables:
> How many of these are set in, and how many are set by othe
Additional docs will be forthcoming

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Gerrit-MessageType: comment
Gerrit-Change-Id: I16d34cb4fa0c60c5ad6d9c8764cc0ec21c5cb368
Gerrit-PatchSet: 1
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: Zach Amsden <>
Gerrit-Reviewer: David Knupp <>
Gerrit-Reviewer: Jim Apple <>
Gerrit-Reviewer: Joe McDonnell <>
Gerrit-Reviewer: Zach Amsden <>
Gerrit-HasComments: Yes

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