2021年8月16日
一次direct path read 故障处理
摘要： 说明：产生direct path read事件的原因有三种情况： Causes This situation occurs in the following situations: The sorts are too large to fit in memory and some of the so 阅读全文
posted @ 2021-08-16 16:02 雪竹子 阅读(532) 评论(0) 推荐(0)
Auto Optimizer Stats Collection in 12c
摘要： Environment – Oracle 12c EE 12.1.0.2.0, 64bit on RHEL 7.3The task auto optimizer stats collection is created by catmwin.sql (run by catproc.sql during 阅读全文
posted @ 2021-08-16 14:21 雪竹子 阅读(188) 评论(0) 推荐(0)