Zhen Wang

Should we create a new class separately? And you can refer to `org.apache.spark.sql.ZorderCoreBenchmark`.

> And based on your screenshots in your PR desc, what are actually the control group, experimental groups？ As I understand, `Behavior Without This Pull Request` is the control group...

> You are correct about the purpose of this PR, but the benchmark itself needs to be corrected. Technically, if we introduce the Spark benchmark tool, the first line of...

Did you make any changes to Kyuubi Spark Engine? Why always use `create table if not exists result.XXX`? 

@DA1OOO Do you enable incremental collection?

Thanks, merged to master and branch-1.9.

Late LGTM. Sorry I missed these comments.

This issue can be avoided by using server principal with `_HOST` instead of actual hostname.

> Zookeeper is also used by Kafka when Canal synchronizes scheduler data. In my company, kafka is provided independently as a cloud service, which means I cannot use the same...

> org.elasticsearch.xcontent.XContentType is removed from elasticSearch ver 7.17.3. `org.elasticsearch.xcontent.XContentType` exists in elasticsearch 7.17.8, https://github.com/elastic/elasticsearch/blob/v7.17.8/libs/x-content/src/main/java/org/elasticsearch/xcontent/XContentType.java > 程序包org.elasticsearch.xcontent不存在 I had the same problem and it was fixed after deleting `org\elasticsearch\elasticsearch\7.17.8` in the...