Mostafa Mokhtar created HIVE-9602:
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Summary: Hive on Tez : Launch an application master only when
needed
Key: HIVE-9602
URL: https://issues.apache.org/jira/browse/HIVE-9602
Project: Hive
Issue Type: New Feature
Components: CLI
Affects Versions: 0.14.0
Reporter: Mostafa Mokhtar
Assignee: Siddharth Seth
When all Yarn containers are busy a new Hive CLI session with Tez set as the
execution engine won't start as it attempts to allocate a container for the AM.
The request is to launch an AM only when needed.
Analysts log into hive using CLI, write queries , check the schema analyze
explain etc.. then launch a query, with the current model they are blocked from
doing if the queue is full or if all containers are busy.
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