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Hive Metastore
- API optimization (performance)
- Dynamic leader election
- HMS support for Thrift over HTTP
- JWT authentication for Thrift over HTTP
- HMS metadata summary
- Use Zookeeper for service discovery
HiveServer2
- Support SAML 2.0/JWT authentication mode
- Support both Kerberos and LDAP auth methods in parallel
- Graceful shutdown
- Easy access to the operation log through web UI
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