Sergey Shelukhin created HIVE-14418:
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Summary: Hive config validation prevents unsetting the settings
Key: HIVE-14418
URL: https://issues.apache.org/jira/browse/HIVE-14418
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
{noformat}
hive> set hive.tez.task.scale.memory.reserve.fraction.max=;
Query returned non-zero code: 1, cause: 'SET
hive.tez.task.scale.memory.reserve.fraction.max=' FAILED because
hive.tez.task.scale.memory.reserve.fraction.max expects FLOAT type value.
hive> set hive.tez.task.scale.memory.reserve.fraction.max=null;
Query returned non-zero code: 1, cause: 'SET
hive.tez.task.scale.memory.reserve.fraction.max=null' FAILED because
hive.tez.task.scale.memory.reserve.fraction.max expects FLOAT type value.
{noformat}
unset also doesn't work.
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