标题: ORA-03170: deadlocked on readable physical standby (undo segment string) [打印本页] 作者: admin 时间: 2016-7-24 10:59 标题: ORA-03170: deadlocked on readable physical standby (undo segment string) ORA-03170: deadlocked on readable physical standby (undo segment string) Cause: A new undo segmentwas added. A query can occasionally deadlock
when issued around the time an undo segment is added and used immediately on
the primary. Action: Retry the query.Avoid creating new undo segments when using standby
as a regular part of operation.