Vaibhav Gumashta created HIVE-10725:
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Summary: Better resource management in HiveServer2
Key: HIVE-10725
URL: https://issues.apache.org/jira/browse/HIVE-10725
Project: Hive
Issue Type: Bug
Reporter: Vaibhav Gumashta
Assignee: Vaibhav Gumashta
We have various ways to control the number of queries that can be run on one
HS2 instance (max threads, thread pool queuing etc). We also have ways to run
multiple HS2 instances using dynamic service discovery. We should do a better
job at:
1. Monitoring resource utilization (sessions, ophandles, memory, threads etc).
2. Being upfront to the client when we cannot accept new queries.
3. Throttle among different server instances in case dynamic service discovery
is used.
4. Consolidate existing ways to control #queries into a simpler model.
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