标题: 等待事件中出现DX - contention ,inactive transaction branch等待时间长 [打印本页] 作者: 刘泽宇 时间: 2021-2-7 17:16 标题: 等待事件中出现DX - contention ,inactive transaction branch等待时间长 在查看数据库的awr报告时,发现在等待事件中存在等待时间非常长的事件:DX - contention 和inactive transaction branch
这两个事件是相伴的,与DBLINK相关,可参考官方文档ID:1275884.1High CPU is observed by sessions attempting to end / abort a distributed transaction.
These sessions are holding a DX enqueue.
The DX enqueue is associated with distributed transaction activity.
Other sessions waiting on the above may exhibit higher than usual waits on related events.