BELUGA BEHR created HIVE-18989:
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Summary: Introduce Cap on Number of Session Variables
Key: HIVE-18989
URL: https://issues.apache.org/jira/browse/HIVE-18989
Project: Hive
Issue Type: Improvement
Components: HiveServer2
Affects Versions: 2.3.2, 3.0.0, 2.4.0
Reporter: BELUGA BEHR
Introduce a cap on the number of session variables a single client can create.
I am able to create a 1GB file with just "SET" statements and it crashes the
HS2 with an OutOfMemory exception which keeps track of each one.
{code}
SET 6BCF5A44=DF912BD3;
SET 614DCF23=ABC24816;
SET B67951D8=DA2645BF;
SET B9596B09=AB0A2650;
SET 2D394A85=88968FC9;
SET 859AD7BE=39710968;
SET 9ED93926=75996280;
SET D547BE24=7CF95795;
SET BB0FB0BF=62DE4A1C;
SET E447EF3F=858F398F;
...
{code}
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