[IMPALA-5367] PlannerTest failure when upgrading from Ubuntu 14.04 to 16.04

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Component/s: Frontend
• Epic Color: ghx-label-6
• Assignee: Alexander Behm
• Reporter: Jim Apple
• Created: 25/May/17 03:35
• Updated: 25/May/17 03:37
• Resolved: 25/May/17 03:37

Description

The following test fails when upgrading from Ubuntu 14.04 to 16.04, even with a fresh data load:

testTableSample(org.apache.impala.planner.PlannerTest)  Time elapsed: 0.055 sec  <<< FAILURE!
java.lang.AssertionError: 
Section PLAN of query:
select * from functional.alltypes tablesample system(50) repeatable(1234)
where year = 2009

Actual does not match expected result:
F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1
PLAN-ROOT SINK
|  mem-estimate=0B mem-reservation=0B
|
00:SCAN HDFS [functional.alltypes]
   partitions=7/24 files=7 size=138.28KB
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   table stats: 7300 rows total
   column stats: all
   mem-estimate=48.00MB mem-reservation=0B
   tuple-ids=0 row-size=97B cardinality=1825

Expected:
F00:PLAN FRAGMENT [UNPARTITIONED] hosts=1 instances=1
PLAN-ROOT SINK
|  mem-estimate=0B mem-reservation=0B
|
00:SCAN HDFS [functional.alltypes]
   partitions=6/24 files=6 size=119.04KB
   table stats: 7300 rows total
   column stats: all
   mem-estimate=48.00MB mem-reservation=0B
   tuple-ids=0 row-size=97B cardinality=1825