标签云
asm恢复 asm 恢复 bbed bootstrap$ dul In Memory kcbzib_kcrsds_1 kccpb_sanity_check_2 kfed MySQL恢复 ORA-00312 ORA-00607 ORA-00704 ORA-01110 ORA-01555 ORA-01578 ORA-08103 ORA-600 2662 ORA-600 2663 ORA-600 3020 ORA-600 4000 ORA-600 4137 ORA-600 4193 ORA-600 4194 ORA-600 16703 ORA-600 kcbzib_kcrsds_1 ORA-600 KCLCHKBLK_4 ORA-15042 ORA-15196 ORACLE 12C oracle dul ORACLE PATCH Oracle Recovery Tools oracle加密恢复 oracle勒索 oracle勒索恢复 oracle异常恢复 Oracle 恢复 ORACLE恢复 ORACLE数据库恢复 oracle 比特币 OSD-04016 YOUR FILES ARE ENCRYPTED 勒索恢复 比特币加密文章分类
- Others (2)
- 中间件 (2)
- WebLogic (2)
- 操作系统 (101)
- 数据库 (1,629)
- DB2 (22)
- MySQL (71)
- Oracle (1,493)
- Data Guard (50)
- EXADATA (8)
- GoldenGate (21)
- ORA-xxxxx (158)
- ORACLE 12C (72)
- ORACLE 18C (6)
- ORACLE 19C (13)
- ORACLE 21C (3)
- Oracle 23ai (3)
- Oracle ASM (65)
- Oracle Bug (7)
- Oracle RAC (48)
- Oracle 安全 (6)
- Oracle 开发 (27)
- Oracle 监听 (27)
- Oracle备份恢复 (545)
- Oracle安装升级 (89)
- Oracle性能优化 (62)
- 专题索引 (5)
- 勒索恢复 (75)
- PostgreSQL (18)
- PostgreSQL恢复 (6)
- SQL Server (27)
- SQL Server恢复 (8)
- TimesTen (7)
- 达梦数据库 (2)
- 生活娱乐 (2)
- 至理名言 (11)
- 虚拟化 (2)
- VMware (2)
- 软件开发 (37)
- Asp.Net (9)
- JavaScript (12)
- PHP (2)
- 小工具 (20)
-
最近发表
- oracle 23ai(23.5.0.24.07)完整功能版安装体验
- win平台安装oracle遭遇INS-30131处理
- 配置win环境ssh和sftp并实现免密登录
- 11.2.0.4最新psu-202407
- Oracle 19c 2024.07补丁(RUs+OJVM)
- ORA-00756 ORA-10567故障处理
- ORA-01092 ORA-00604 ORA-08103故障处理
- 数据库启动报ORA-600 6711故障分析处理
- RMAN SBT_TAPE备份无法被DISK通道识别
- ORA-27154 ORA-27300 ORA-27301 ORA-27302故障处理
- Patch SCN工具for Linux
- awr创建snapshot等待library cache: mutex X
- exadata换flash卡的一些操作
- RMAN-06207 RMAN-06208报错解决
- RAC主机相差超过10分钟导致crs无法启动
- O/S-Error: (OS 23) 数据错误(循环冗余检查)—故障处理
- 异常断电数据库恢复-从ORA-600 2131到ORA-08102: 未找到索引关键字, 对象号 39
- 数据泵迁移Wrapped PLSQL之后报PLS-00753
- 数据库open报ORA-600 kcratr_scan_lastbwr故障处理
- resetlogs强制拉库失败并使用备份system文件还原数据库故障处理
标签归档:smon cpu 100%
11.2.0.3 adg库因 bug 16427872 导致smon占用大量cpu
检查数据库发现客户有一套核心的ADG库smon进程负载异常,单进程一直持有cpu 100%
[oracle@q9adg01 trace]$ top -c top - 14:00:14 up 83 days, 21:39, 4 users, load average: 10.34, 11.55, 11.25 Tasks: 1162 total, 3 running, 1157 sleeping, 0 stopped, 2 zombie Cpu(s): 1.7%us, 1.2%sy, 0.0%ni, 86.2%id, 10.7%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 264253752k total, 200445076k used, 63808676k free, 757684k buffers Swap: 33554424k total, 0k used, 33554424k free, 6529220k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 5707 oracle 25 0 150g 20m 16m R 99.9 0.0 14273:00 ora_smon_q9db1 5285 oracle 16 0 13564 1952 820 R 31.5 0.0 0:02.49 top -c 5713 oracle 18 0 150g 20m 17m S 5.3 0.0 410:01.33 ora_asmb_q9db1 5821 oracle 15 0 150g 23m 17m S 5.3 0.0 4883:29 ora_lck0_q9db1 7596 oracle 15 0 150g 69m 37m S 5.3 0.0 5368:28 ora_pr00_q9db1 [oracle@q9adg02 ~]$ top -c top - 14:00:03 up 84 days, 19:36, 3 users, load average: 6.46, 6.96, 6.76 Tasks: 1045 total, 5 running, 1040 sleeping, 0 stopped, 0 zombie Cpu(s): 1.8%us, 1.0%sy, 0.0%ni, 93.4%id, 3.7%wa, 0.0%hi, 0.1%si, 0.0%st Mem: 264253752k total, 196879216k used, 67374536k free, 425320k buffers Swap: 33554424k total, 0k used, 33554424k free, 4727836k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 11615 oracle 25 0 150g 16m 14m R 100.0 0.0 14272:55 ora_smon_q9db2 18173 oracle 16 0 150g 73m 37m D 18.6 0.0 24:33.91 oracleq9db2 (LOCAL=NO) 6561 oracle 15 0 150g 31m 25m R 12.2 0.0 0:48.50 oracleq9db2 (LOCAL=NO)
数据库版本和patch信息
14:18:05 sys@Q9DB>select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production PL/SQL Release 11.2.0.3.0 - Production CORE 11.2.0.3.0 Production TNS for Linux: Version 11.2.0.3.0 - Production NLSRTL Version 11.2.0.3.0 - Production SQL> SELECT INST_ID,DATABASE_ROLE,OPEN_MODE FROM GV$DATABASE; INST_ID DATABASE_ROLE OPEN_MODE ---------- ---------------- -------------------- 2 PHYSICAL STANDBY READ ONLY WITH APPLY 1 PHYSICAL STANDBY READ ONLY WITH APPLY SQL >select inst_id,STARTUP_TIME from gv$instance; INST_ID STARTUP_T ---------- --------- 2 01-NOV-13 1 01-NOV-13 [oracle@q9adg01 trace]$ /u01/app/oracle/product/11.2.0/db_1/OPatch/opatch lspatches 16056266;Database Patch Set Update : 11.2.0.3.6 (16056266) 16315641;Grid Infrastructure Patch Set Update : 11.2.0.3.6 (16083653)
SYSAUX表空间增加数据文件
SQL> select ts# from v$tablespace where name='SYSAUX'; TS# ---------- 2 SQL> select file#,name,creation_time from v$datafile where ts#=2; FILE# NAME CREATION_ ---------- -------------------------------------------------- --------- 3 +DATA/q9db/datafile/sysaux.1412.818566605 12-MAR-08 151 +DATA/q9db/datafile/sysaux.1431.818566885 26-MAR-12 221 +DATA/q9db/datafile/sysaux.828.818547945 16-APR-12 1744 +DATA/q9db_adg/datafile/sysaux.2050.835459505 29-DEC-13
核对数据库确实在2013年12月29日对SYSAUX表空间增加了数据文件而且未重启数据库,触发Bug 16427872 Standby SMON spins on CPU after add/drop SYSAUX datafile on primary
Bug 16427872 Standby SMON spins on CPU after add/drop SYSAUX datafile on primary
在12.1.0.1中修复,在未修复前增加/删除sysaux的数据文件后,通过重启实例来解决该问题