SHUTDOWN ABORT的跟踪信息【ABOUT TRACE OF SHUTDOWN ABORT】

    今天在我们的测试数据库检查到如下TRACE:(udump下)
。。。。 
 *** SESSION ID:(8.3) 2007-11-12 12:05:29.441
Thread checkpoint rba:0x000941.00000002.0010 scn:0x0000.00e0d232
On-disk rba:0x000942.0001abdf.0000 scn:0x0000.00e0dc8d
Use incremental checkpoint cache-low RBA
Thread 1 recovery from rba:0x000941.000212b0.0000 scn:0x0000.00000000
----- Redo read statistics for thread 1 -----
。。。。

显然,数据库启动时有REOCVERY的操作。在数据库关闭时,应该还是有ACTIVE的SESSION,但是相关人员一般就直接SHUTDOWN ABORT所致。
执行下列SQL:
SQL> alter system checkpoint ;

System altered.

SQL> alter system switch logfile;

System altered.

SQL> shutdown immediate; 或shutdown transactional;

重启数据库后,没有产生该类跟踪信息。 

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