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What kind of change does this PR introduce? (check at least one)
The description of the PR:
UUID在jdk版本小于JDK8u112时存在高并发阻塞bug,详情参考:https://heapdump.cn/article/4421829 ,因此采用优化雪花算法的id生成器IdGenerator来生成事务id。
Other information:
问题来源: #504