fornaix

Add ClassHistogram command

6

This command is like: ``` jmap -histo jcmd GC.class_histogram ``` use cases: ``` classhistogram # print class histogram classhistogram --live # print class histogram for live objects classhistogram -n 10...

### Search before asking - [X] I had searched in the [issues](https://github.com/apache/doris/issues?q=is%3Aissue) and found no similar issues. ### Version 2.0.2-rc05 ### What's Wrong? When we join two tables, an exception...

[Improvement] no need to wait after a successful retry

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## Problem Summary: When using `Utils.retry`, even if it succeeds, we still need to wait for `doris.sink.batch.interval.ms` milliseconds. This pr is to fix it. ## Checklist(Required) 1. Does it affect...