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标签归档:transient type
ORA-21779错误处理
有客户win 10.2.0.4的rac,查看alert日志发现如下错误
Mon May 04 17:25:18 2020 Errors in file d:\oracle\product\10.2.0\admin\orcl\bdump\orcl2_smon_2548.trc: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 Mon May 04 17:25:28 2020 Errors in file d:\oracle\product\10.2.0\admin\orcl\bdump\orcl2_smon_2548.trc: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 Mon May 04 17:25:38 2020 Errors in file d:\oracle\product\10.2.0\admin\orcl\bdump\orcl2_smon_2548.trc: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 Mon May 04 17:25:39 2020 Errors in file d:\oracle\product\10.2.0\admin\orcl\bdump\orcl2_smon_2548.trc: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1
查看对应trace
Dump file d:\oracle\product\10.2.0\admin\orcl\bdump\orcl2_smon_2548.trc Sat Aug 31 15:02:39 2019 ORACLE V10.2.0.4.0 - 64bit Production vsnsta=0 vsnsql=14 vsnxtr=3 Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production With the Partitioning, Real Application Clusters, OLAP, Data Mining and Real Application Testing options Windows Server 2003 Version V5.2 Service Pack 2 CPU : 32 - type 8664, 2 Physical Cores Process Affinity : 0x0000000000000000 Memory (Avail/Total): Ph:17543M/32742M, Ph+PgF:19550M/33833M ………… *** 2020-05-04 18:40:35.687 SMON: following errors trapped and ignored: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 *** 2020-05-04 18:40:45.734 Drop transient type: SYSTPzpEA6olJSImGURLObkiE6w== *** 2020-05-04 18:40:45.734 SMON: following errors trapped and ignored: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 *** 2020-05-04 18:40:55.812 Drop transient type: SYSTPzpEA6olJSImGURLObkiE6w== *** 2020-05-04 18:40:55.812 SMON: following errors trapped and ignored: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1 *** 2020-05-04 18:41:05.875 Drop transient type: SYSTPzpEA6olJSImGURLObkiE6w== *** 2020-05-04 18:41:05.875 SMON: following errors trapped and ignored: ORA-21779: 持续时间不活动 ORA-06512: 在 line 1
出现该问题是由于oracle的smon进程无法清理掉 transient types,从而出现该问题,根据官方的说法,这个错误是不会影响数据库正常使用,但是可以通过以下方法暂时规避这种错误:
1)通过设置alter system set events ’22834 trace name context forever, level 1′禁止smon清理transient types,从而来规避该错误,但是可能会引起transient types对象越来越多,当然你可以通过以下sql查询出来
select o.* from obj$ o, type$ t where o.oid$ = t.tvoid and bitand(t.properties,8388608) = 8388608 and (sysdate-o.ctime) > 0.0007;
然后删除掉相关记录DROP TYPE “SYSTPf/r2wN4keX7gQKjA3AFMSw==” FORCE;【这个删除不是必须的】
2) flush shared_pool也可以临时规避这个问题
3) 重启数据库,可以暂时规避
具体参考:
SMON: Following Errors Trapped And Ignored ORA-21779 (Doc ID 988663.1)
Receiving ORA-21780 Continuously in the Alert Log and SMON Trace Reports “Drop transient type”. (Doc ID 1081950.1)