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Oracle 12.2 Heavy swapping 数据库自动关闭

原创 Oracle 作者:studywell 时间:2018-09-26 18:10:33 0 删除 编辑


环境信息:

[root@oralinux7p5 ~]# free

              total        used        free      shared  buff/cache   available

Mem:        3781940      646936     2357604        1804      777400     3056192

Swap:       9437180      586452     8850728



Trace file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbrm_28582.trc

Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

Build label:    RDBMS_12.2.0.1.0_LINUX.X64_170125

ORACLE_HOME:    /u01/app/oracle/product/12.2.0/dbhome_1

System name:    Linux

Node name:      oralinux7p5

Release:        4.1.12-112.16.4.el7uek.x86_64

Version:        #2 SMP Mon Mar 12 23:57:12 PDT 2018

Machine:        x86_64

Instance name: orcl

Redo thread mounted by this instance: 0 <none>

Oracle process number: 14

Unix process pid: 28582, image: oracle@oralinux7p5 (DBRM)



问题表现:

导入DMP文件时,alert日志提示:


PL/SQL: Statement ignored

2018-09-26T16:57:58.233928+08:00

WARNING: Heavy swapping observed on system in last 5 mins.

Heavy swapping can lead to timeouts, poor performance, and instance eviction.

Errors in file /u01/app/oracle/diag/rdbms/orcl/orcl/trace/orcl_dbrm_3178.trc  (incident=36114):

ORA-00700: soft internal error, arguments: [kskvmstatact: excessive swapping observed], [], [], [], [], [], [], [], [], [], [], []

Incident details in: /u01/app/oracle/diag/rdbms/orcl/orcl/incident/incdir_36114/orcl_dbrm_3178_i36114.trc

2018-09-26T16:58:01.348446+08:00

Dumping diagnostic data in directory=[cdmp_20180926165801], requested by (instance=1, osid=3178 (DBRM)), summary=[incident=36114].


………………………………………………

………………………………………………



2018-09-26T17:03:40.929681+08:00

Shutting down instance (immediate) (OS id: 23037)

Stopping background process SMCO

2018-09-26T17:03:42.789507+08:00

Shutting down instance: further logons disabled

2018-09-26T17:03:44.027733+08:00

Stopping background process CJQ0

2018-09-26T17:03:44.053983+08:00

Stopping background process MMNL

2018-09-26T17:03:45.054174+08:00

Stopping background process MMON

2018-09-26T17:03:46.055283+08:00

License high water mark = 28

2018-09-26T17:03:46.076574+08:00

OS process OFSD (ospid 3174) idle for 30 seconds, exiting

2018-09-26T17:03:46.218176+08:00

Dispatchers and shared servers shutdown

2018-09-26T17:03:48.233021+08:00

ALTER DATABASE CLOSE NORMAL

2018-09-26T17:03:48.461838+08:00

Stopping Emon pool

Stopping Emon pool

2018-09-26T17:03:49.667379+08:00

Shutting down archive processes

2018-09-26T17:03:49.679317+08:00

TT00: Gap Manager exiting (PID:3241)

2018-09-26T17:03:50.668074+08:00

Archiving is disabled

2018-09-26T17:03:50.691130+08:00

Thread 1 closed at log sequence 88

Successful close of redo thread 1

2018-09-26T17:03:51.334888+08:00

Completed: ALTER DATABASE CLOSE NORMAL

ALTER DATABASE DISMOUNT

Shutting down archive processes

Archiving is disabled

Completed: ALTER DATABASE DISMOUNT

2018-09-26T17:03:52.388448+08:00

ARCH: Archival disabled due to shutdown: 1089

Shutting down archive processes

Archiving is disabled

2018-09-26T17:03:53.424516+08:00

JIT: pid 23037 requesting stop

2018-09-26T17:03:54.425072+08:00

ARCH: Archival disabled due to shutdown: 1089

Shutting down archive processes

Archiving is disabled

2018-09-26T17:03:54.445832+08:00

Stopping background process VKTM

2018-09-26T17:03:54.481661+08:00

JIT: pid 23037 requesting stop

2018-09-26T17:03:58.583064+08:00

Instance shutdown complete (OS id: 23037)

[oracle@oralinux7p5 trace]$


原因:

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