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kyuubi/docs/develop_tools/debugging.md
Binjie Yang 5b49061d86 [KYUUBI #815] [DOC] [KUBERNETES] Doc for spark-block-cleaner 
### _Why are the changes needed?_
Add Docs for kyuubi tools spark-block-cleaner.
* Explain the parameters
* Introduction to basic startup
* Give an example

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [X] [Run test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests) locally before make a pull request

Closes #815 from zwangsheng/doc/spark_block_cleaner.

Closes #815

1ec6795f [Binjie Yang] delete todo
bbf4d6e2 [Binjie Yang] make it common
9cf3e159 [Binjie Yang] format
0803995a [Binjie Yang] straighten out the article
f834b382 [Binjie Yang] refactor
25be318f [Binjie Yang] fix
7304e595 [Binjie Yang] docs for spark-block-cleaner

Authored-by: Binjie Yang <2213335496@qq.com>
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>
2021-07-16 22:21:39 +08:00

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Debugging Kyuubi

You can use the Java Debug Wire Protocol to debug Kyuubi with your favorite IDE tool, e.g. Intellij IDEA.

Debugging Server

We can configure the JDWP agent in KYUUBI_JAVA_OPTS for debugging.

For example,

KYUUBI_JAVA_OPTS=-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005 \
bin/kyuubi start

In the IDE, you set the corresponding parameters(host&port) in debug configurations, for example,

Debugging Apps

  • Spark Driver
spark.driver.extraJavaOptions   -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005
  • Spark Executor
spark.executor.extraJavaOptions   -agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=5005