Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/18970 )

Change subject: IMPALA-11572: deflake test_mt_dop_skew_lpt
......................................................................

IMPALA-11572: deflake test_mt_dop_skew_lpt

test_mt_dop_skew_lpt was flaky. Also, it calculated the
min(bytes_read) / max(bytes_read) globally across all fragment
insteances, not just among the intra-node fragment instances.

To deflake the test, this test:
 * calculate intra-node min(bytes_read) / max(bytes_read) ratios
   instead of global ones
 * print out the ratios so we'll know the numbers when the test fails
 * eliminate compression codec test dimension which is not used anyway

Change-Id: I823542c21fe8f10f43a501fe4175da883eaf2f99
Reviewed-on: http://gerrit.cloudera.org:8080/18970
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
---
M tests/query_test/test_scanners.py
1 file changed, 24 insertions(+), 15 deletions(-)

Approvals:
  Impala Public Jenkins: Looks good to me, approved; Verified

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I823542c21fe8f10f43a501fe4175da883eaf2f99
Gerrit-Change-Number: 18970
Gerrit-PatchSet: 6
Gerrit-Owner: Zoltan Borok-Nagy <[email protected]>
Gerrit-Reviewer: Csaba Ringhofer <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Zoltan Borok-Nagy <[email protected]>

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