[Impala-ASF-CR] IMPALA-6093: diagnostics for flaky TestHashJoinTimer

["Tim Armstrong (Code Review)" <ge...@cloudera.org>]

Tim Armstrong has uploaded a new patch set (#2). ( http://gerrit.cloudera.org:8080/8403 )

Change subject: IMPALA-6093: diagnostics for flaky TestHashJoinTimer
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IMPALA-6093: diagnostics for flaky TestHashJoinTimer

We don't know the root cause yet but try to improve things:
* Eliminate one possible cause of flakiness - unfinished fragments left
  from previous queries.
* Print a profile if an assertion fails so we can see why it failed.

Testing:
Ran core tests.

Change-Id: Ic332dddd96931db807abb960db43b99e5fd0f256
---
M tests/query_test/test_hash_join_timer.py
1 file changed, 18 insertions(+), 6 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/03/8403/2
-- 
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ic332dddd96931db807abb960db43b99e5fd0f256
Gerrit-Change-Number: 8403
Gerrit-PatchSet: 2
Gerrit-Owner: Tim Armstrong <ta...@cloudera.com>