Dan Hecht has posted comments on this change.

Change subject: IMPALA-3898: Add a pytest skipif decorator based on presence of 
Impala LZO.
......................................................................


Patch Set 7:

> By default, pytest captures test output, and as far as I can see,
 > it's not possible to turn that behavior off on a test by test
 > basis. You can do it globally if you run pytest with -s, but we
 > don't want to do that. Our tests are very chatty.
 > 
 > For what it's worth, I really do think this would be a very
 > unlikely thing to have happen -- for the .so file to go missing.

I was thinking more of the scenario where we rename the lzo so for some reason 
and lose test coverage because of that.

It's just that in the past we've done things like run the old agg/join jenkins 
build with the wrong options so we weren't getting the coverage we thought, and 
it took months to notice.

But maybe I'm being overly paranoid.  I suppose this is automated so less 
likely to go wrong.  But I'll leave it to you guys, just wanted to raise this 
potential issue.

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Gerrit-MessageType: comment
Gerrit-Change-Id: If61a7799205cd00d440196303a42db32c522f5b1
Gerrit-PatchSet: 7
Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-Owner: David Knupp <[email protected]>
Gerrit-Reviewer: Dan Hecht <[email protected]>
Gerrit-Reviewer: David Knupp <[email protected]>
Gerrit-Reviewer: Internal Jenkins
Gerrit-Reviewer: Jim Apple <[email protected]>
Gerrit-Reviewer: Michael Brown <[email protected]>
Gerrit-Reviewer: Sailesh Mukil <[email protected]>
Gerrit-Reviewer: Tim Armstrong <[email protected]>
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