-
Recent Posts
Recent Comments
- yangtingkun on 非空字段空值对查询的影响
- Eric Zong on 非空字段空值对查询的影响
- Kamus on Oracle Ace Director
- 设置全局死锁优先级 | yangtingkun on RAC全局死锁检测时间
- ORA-600(krbounotread_noctx)错误 | yangtingkun on ORA-600(krboReadBitmap_badbitmap)错误
Archives
- December 2020
- February 2019
- December 2018
- November 2018
- October 2018
- July 2018
- June 2018
- May 2018
- July 2016
- July 2013
- June 2013
- November 2012
- October 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- January 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
Categories
Meta
Tag Archives: inactive transaction branch
数据库出现很高的enq: DX – contention 等待
检查客户AWR报告时，发现数据库经历严重的enq: DX – contention等待。 这个数据库的版本是11.1.0.6 for Windows 64bits for AMD，在AWR报告中，TOP 5等待事件为： Event Waits Time(s) Avg wait (ms) % DB time Wait Class enq: DX – contention 22,627 135,751 6000 126.41 Other inactive transaction branch 22,625 22,626 1000 21.07 Other db … Continue reading