BELUGA BEHR created HIVE-20170:
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Summary: Improve JoinOperator "rows for join key" Logging
Key: HIVE-20170
URL: https://issues.apache.org/jira/browse/HIVE-20170
Project: Hive
Issue Type: Improvement
Components: Operators
Affects Versions: 3.0.0, 4.0.0
Reporter: BELUGA BEHR
{code}
2018-06-25 09:37:33,193 INFO [main]
org.apache.hadoop.hive.ql.exec.CommonJoinOperator: table 0 has 5728000 rows for
join key [333, 22]
2018-06-25 09:37:33,901 INFO [main]
org.apache.hadoop.hive.ql.exec.CommonJoinOperator: table 0 has 5828000 rows for
join key [333, 22]
2018-06-25 09:37:34,623 INFO [main]
org.apache.hadoop.hive.ql.exec.CommonJoinOperator: table 0 has 5928000 rows for
join key [333, 22]
2018-06-25 09:37:35,342 INFO [main]
org.apache.hadoop.hive.ql.exec.CommonJoinOperator: table 0 has 6028000 rows for
join key [333, 22]
{code}
https://github.com/apache/hive/blob/6d890faf22fd1ede3658a5eed097476eab3c67e9/ql/src/java/org/apache/hadoop/hive/ql/exec/JoinOperator.java#L120
This logging should use the same facilities as the other Operators for emitting
this type of log message. [HIVE-10078] Maybe this feature should be refactored
into an AbstractOperator class?
Also, it should print a final count for each join value.
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