Kent Yao

[SPARK-39930][SQL] Introduce Cache Hints

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### What changes were proposed in this pull request? This ticket intends to add query hints for cache behaviors, users can perform actions like the use/skip/cache/uncache, etc on the cached...

RANGER-2128: Implementation of Ranger Spark SQL plugin

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## pre-work Basic concepts and introductions can be found in [spark-authorizer](https://github.com/yaooqinn/spark-authorizer)'s documentations. ## additionals https://github.com/apache/spark/pull/17724 exposed a new experimental develop api `SparkSessionExetensions`, which is able to add user supplied extensions...

[DOCS] logging page is out of date due to log4j1 -> log4j2

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[Umbrella] Spark Configuration Validation

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# Describe the proposal When a SparkConf is invalid for launching our engines, it is better to fail fast instead of waiting for Spark to check while engine bootstrapping. ##...

### Discussed in https://github.com/apache/incubator-kyuubi/discussions/3183 Originally posted by **yaroslavambrozyak** August 5, 2022 Hi, I am trying to query some data using REST API, but get an error when I call rowset...

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[FEATURE] Support keep the session on client disconnected

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### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) ### Search before asking - [X] I have searched in the [issues](https://github.com/apache/incubator-kyuubi/issues?q=is%3Aissue) and found no...

### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) ### Search before asking - [X] I have searched in the [issues](https://github.com/apache/incubator-kyuubi/issues) and found no...