Joe McDonnell has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/20011 )

Change subject: IMPALA-12135: Deflake test_krpc_datastream_sender_shuffle
......................................................................

IMPALA-12135: Deflake test_krpc_datastream_sender_shuffle

test_krpc_datastream_sender_shuffle has been failing with OOM error in
HDFS EC environement. This is due to fix introduced in IMPALA-12106
reduce num instances of a union fragment (F06) from 3 to 2. Running the
test with BATCH_SIZE=8 help pass the test while still holding the
assertion (KrpcDataStreamSender claiming megabytes of memory for
RowBatchSerialization).

Testing:
- test_krpc_datastream_sender_shuffle pass both in regular minicluster
  and HDFS EC setup.

Change-Id: I8c7961ad8dd489a4d62e738d364d4da1fa44d0cc
Reviewed-on: http://gerrit.cloudera.org:8080/20011
Tested-by: Impala Public Jenkins <[email protected]>
Reviewed-by: Joe McDonnell <[email protected]>
---
M tests/query_test/test_datastream_sender.py
1 file changed, 1 insertion(+), 0 deletions(-)

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

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I8c7961ad8dd489a4d62e738d364d4da1fa44d0cc
Gerrit-Change-Number: 20011
Gerrit-PatchSet: 3
Gerrit-Owner: Riza Suminto <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Joe McDonnell <[email protected]>
Gerrit-Reviewer: Michael Smith <[email protected]>
Gerrit-Reviewer: Quanlong Huang <[email protected]>
Gerrit-Reviewer: Riza Suminto <[email protected]>

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