xueluning created HIVE-24442:
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Summary: Hive auto convert to mapJoin with bigtable
Key: HIVE-24442
URL: https://issues.apache.org/jira/browse/HIVE-24442
Project: Hive
Issue Type: Bug
Affects Versions: 2.3.6
Environment: hive-2.3.6
Reporter: xueluning
I'm using aws emr5.30 with hive-2.3.6
we have set the hiveVar as
set hive.execution.engine=mr;
set hive.auto.convert.join=true;
leave other hive option as default.
Hive auto convert a join to Mapjoin with two big tables(>1G) and result a OOM
in map local task.
how hive choose a very big table as Mapjoin. did it get wrong size of the table
file ?
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