Michael Ho created IMPALA-6565:
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             Summary: Stress test with KRPC enabled shows inconsistent results 
for some queries
                 Key: IMPALA-6565
                 URL: https://issues.apache.org/jira/browse/IMPALA-6565
             Project: IMPALA
          Issue Type: Bug
          Components: Distributed Exec
    Affects Versions: Impala 3.0, Impala 2.12.0
            Reporter: Michael Ho
            Assignee: Michael Ho


Stress test in an 8 node cluster running at commit 
881e00a8bff0469ab7860bcd0d4d4794fb04a4b8 shows some queries producing wrong 
results.
{noformat}
 Result hash mismatch; expected 3440873535184108466, got 3440873535184106162
01:26:30                                  Query ID: 
c747bc20685116e8:fbac7a7100000000
01:26:30                                  Query: select
01:26:30   p_brand,
01:26:30   p_type,
01:26:30   p_size,
01:26:30   count(distinct ps_suppkey) as supplier_cnt
01:26:30 from
01:26:30   partsupp,
01:26:30   part
01:26:30 where
01:26:30   p_partkey = ps_partkey
01:26:30   and p_brand <> 'Brand#45'
01:26:30   and p_type not like 'MEDIUM POLISHED%'
01:26:30   and p_size in (49, 14, 23, 45, 19, 3, 36, 9)
01:26:30   and ps_suppkey not in (
01:26:30     select
01:26:30       s_suppkey
01:26:30     from
01:26:30       supplier
01:26:30     where
01:26:30       s_comment like '%Customer%Complaints%'
01:26:30   )
01:26:30 group by
01:26:30   p_brand,
01:26:30   p_type,
01:26:30   p_size
01:26:30 order by
01:26:30   supplier_cnt desc,
01:26:30   p_brand,
01:26:30   p_type,
01:26:30   p_size
{noformat}



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