Linux下使用ps命令来查看Oracle相关的进程

Linux下可以使用ps命令来查看Oracle相关的进程

Oracle Listener

这个命令会列出Oracle Net Listener的进程

[oracle@bej301441 ~]$ ps -ef | grep tnslsnr
oracle    1999 29986  0 09:47 pts/2    00:00:00 grep tnslsnr
oracle    3647     1  0 Jul03 ?        00:00:34 /u01/oracle/mc3yd213/db/tech_st/11.1.0/bin/tnslsnr mc3yd213 -inherit
oracle    6431     1  0 Jul03 ?        00:00:00 /u01/oracle/mc3yd213/apps/tech_st/10.1.2/bin/tnslsnr APPS_mc3yd213 -inherit
oracle   13616     1  0 May27 ?        00:00:40 /u01/oracle/mc3yd213/apps/tech_st/10.1.2/bin/tnslsnr LISTENER -inherit
[oracle@bej301441 ~]$

 

Oracle Background Process

[oracle@bej301441 ~]$ ps -ef | grep -i "ora_"
oracle    1887     1  0 09:42 ?        00:00:00 ora_w000_mc3yd213
oracle    2159     1  0 09:54 ?        00:00:00 ora_j000_mc3yd213
oracle    2167 29986  0 09:55 pts/2    00:00:00 grep -i ora_
oracle    3516     1  0 Jul03 ?        00:02:00 ora_pmon_mc3yd213
oracle    3518     1  0 Jul03 ?        00:02:08 ora_vktm_mc3yd213
oracle    3522     1  0 Jul03 ?        00:00:27 ora_diag_mc3yd213
oracle    3524     1  0 Jul03 ?        00:00:18 ora_dbrm_mc3yd213
oracle    3526     1  0 Jul03 ?        00:00:35 ora_psp0_mc3yd213
oracle    3528     1  0 Jul03 ?        00:05:59 ora_dia0_mc3yd213
oracle    3530     1  0 Jul03 ?        00:00:19 ora_mman_mc3yd213
oracle    3532     1  0 Jul03 ?        00:01:06 ora_dbw0_mc3yd213
oracle    3534     1  0 Jul03 ?        00:02:53 ora_lgwr_mc3yd213
oracle    3536     1  0 Jul03 ?        00:02:08 ora_ckpt_mc3yd213
oracle    3538     1  0 Jul03 ?        00:01:36 ora_smon_mc3yd213
oracle    3540     1  0 Jul03 ?        00:00:06 ora_reco_mc3yd213
oracle    3542     1  0 Jul03 ?        00:02:01 ora_mmon_mc3yd213
oracle    3544     1  0 Jul03 ?        00:03:20 ora_mmnl_mc3yd213
oracle    3564     1  0 Jul03 ?        00:00:09 ora_fbda_mc3yd213
oracle    3569     1  0 Jul03 ?        00:00:16 ora_qmnc_mc3yd213
oracle    3584     1  0 Jul03 ?        00:00:36 ora_q000_mc3yd213
oracle    3586     1  0 Jul03 ?        00:00:15 ora_q001_mc3yd213
oracle    3690     1  0 Jul03 ?        00:02:30 ora_cjq0_mc3yd213
oracle    3707     1  0 Jul03 ?        00:00:28 ora_smco_mc3yd213
oracle    7676     1  0 Jul03 ?        00:42:49 ora_m000_mc3yd213
[oracle@bej301441 ~]$

eg.ora_pmon_mc3yd213 is PMON process,PMON (Process MONitor) is an Oracle background process created when you start a database instance. The PMON process will free up resources if a user process fails (eg. release database locks).

这些后台进程，从数据库里也是能查到的，可以使用下边这个SQL来查后台进程，在program列中，你就能看到SMON,MMON,CKPT,PMON,MMAN,MMNL...后台进程

select * FROM v$session WHERE type ='BACKGROUND';

关于后台进程，可以参见Oracle Background processes

Oracle Management Agent

[oracle@bej301441 ~]$ ps -ef | grep emagent
oracle    2097 29986  0 09:51 pts/2    00:00:00 grep emagent
oraem     3130     1  0 May24 ?        00:08:57 /opt/oracle/oraem/agent10g/perl/bin/perl /opt/oracle/oraem/agent10g/bin/emwd.pl agent /opt/oracle/oraem/agent10g/sysman/log/emagent.nohup
oraem     3150  3130  0 May24 ?        00:25:56 /opt/oracle/oraem/agent10g/bin/emagent
[oracle@bej301441 ~]$

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