Share 'How does hive insert into with select work at memory and storage level'
I am trying to understand how does hive insert into with select works at memory and storage level.
One of my oozie workflow fails due to GC overhead issue.
Our query is: insert into table <> select a,b,c,d from table2.
Now the map reduce job finished and then we get the message :
Ended job = jobid: <>
Loading data to table table2
Failed with exception java.lang.outofmemoryError: G…
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