Oracle 12.2 Heavy swapping 数据库自动关闭

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： 查metalink，没有相关信息，后续继续关注；