dongxb

Results 2 issues of dongxb

## What is the purpose of the change this commit resolves #1605 use ThreadLocalRandom instead of Random ## Brief changelog 1. remove the 1.6 maven compiler of common and log...

** Performance improvement ** Random is thread safe for use by multiple threads. But if multiple threads use the same instance of Random, the same seed is shared by multiple...

type/enhancement
no stale