Env:
Hive all versionsSymptom:
Beeline of HiveServer2 hangs if huge output data needs to return.Users can only ctrl-C beeline.
Out of Memory error may show up.
Root Cause:
Per HIVE-7224, by default beeline tries to buffer the entire output relation before printing it on stdout.Solution:
Beeline has the option "--incremental=true" to print output incrementally.This option is not in "beeline --help" command output yet, but it is documented here.
So just invoke beeline as below:
beeline --incremental=true
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