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From "Gabor Kaszab (Code Review)" <>
Subject [Impala-ASF-CR] IMPALA-6318: Adjustment for hanging query cancellation test
Date Fri, 15 Dec 2017 11:53:52 GMT
Hello Laszlo Gaal, Zoltan Borok-Nagy, David Knupp, Attila Jeges, Tim Armstrong, Csaba Ringhofer,

I'd like you to reexamine a change. Please visit

to look at the new patch set (#3).

Change subject: IMPALA-6318: Adjustment for hanging query cancellation test

IMPALA-6318: Adjustment for hanging query cancellation test

Apparently test_query_cancellation_during_fetch hangs occasionally
in Jenkins builds. The Impala debug page shows the query being
cancelled, however, on the host the ImpalaShell process related to
that query is still running.

Since I had no luck in reproducing the issue locally I only have a
theory what might be going on here: The query is cancelled
successfully on Impala backend and when the test tries to get the
stdout and stderr from the ImpalaShell it gets stuck. It might be
the case that ImpalaShell process fetching the query results holds
the stdout, so as a workaround there is a new optional parameter to
util.ImpalaShell to omit the stdout because this test wouldn't use
it anyway.

Change-Id: I082c83b91b6d0c527de92c7992f0dc9d1b290433
M tests/shell/
M tests/shell/
2 files changed, 8 insertions(+), 6 deletions(-)

  git pull ssh:// refs/changes/52/8852/3
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I082c83b91b6d0c527de92c7992f0dc9d1b290433
Gerrit-Change-Number: 8852
Gerrit-PatchSet: 3
Gerrit-Owner: Gabor Kaszab <>
Gerrit-Reviewer: Attila Jeges <>
Gerrit-Reviewer: Csaba Ringhofer <>
Gerrit-Reviewer: David Knupp <>
Gerrit-Reviewer: Laszlo Gaal <>
Gerrit-Reviewer: Tim Armstrong <>
Gerrit-Reviewer: Zoltan Borok-Nagy <>

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