Balazs Jeszenszky created IMPALA-7007:
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Summary: Kudu duplicate key count can be off
Key: IMPALA-7007
URL: https://issues.apache.org/jira/browse/IMPALA-7007
Project: IMPALA
Issue Type: Bug
Reporter: Balazs Jeszenszky
After inserting TPC-H data into Kudu by doing:
{code}
insert into lineitem select * from PARQUETIMPALA500.LINEITEM
{code}
, the query profile contains this error:
{code}
Errors: Key already present in Kudu table 'impala::kudu_impala_500.LINEITEM'.
(1 of -1831809966 similar)
{code}
Clearly, the count is off here. Also, it seems this issue can trigger a DCHECK
on debug builds. The accompanying log line in that case is:
{code}
F0507 09:46:12.673912 29258 error-util.cc:148] Check failed: log_entry.count >
0 (-1831809966 vs. 0)
{code}
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