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https://issues.apache.org/jira/browse/IMPALA-6854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe McDonnell closed IMPALA-6854.
---------------------------------
Resolution: Won't Fix
This is not a useful change.
> TestExchangeDelays::test_exchange_small_delay()'s implementation doesn't
> match description
> ------------------------------------------------------------------------------------------
>
> Key: IMPALA-6854
> URL: https://issues.apache.org/jira/browse/IMPALA-6854
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 3.1.0
> Reporter: Joe McDonnell
> Assignee: Joe McDonnell
> Priority: Trivial
>
> test_exchange_small_delay() has this description:
> {code:java}
> def test_exchange_small_delay(self, vector):
> """Test delays in registering data stream receivers where the first one or
> two
> batches will time out before the receiver registers, but subsequent batches
> will
> arrive after the receiver registers. Before IMPALA-2987, this scenario
> resulted in
> incorrect results.
> """
> {code}
> However, looking at the logs when the first sender times out, the query is
> cancelled. In my manual tests, the query does not return a result. This test
> case may be out of date. As it is, this overlaps with what
> test_exchange_large_delay() is doing.
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