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Use the ps command in Linux to view Oracle-related processes

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  • Oracle listener
  • Oracle management agent

In Linux, you can run the ps command to view Oracle-related processes.

Oracle listener

This command will list the processes of Oracle Net Listener

  1. [Oracle @ bej301441 ~] $ PS-Ef | grep tnslsnr
  2. Oracle 1999 29986 0 00:00:00 pts/2 grep tnslsnr
  3. Oracle 3647 1 0 jul03? 00:00:34/u01/Oracle/mc3yd213/DB/tech_st/11.1.0/bin/tnslsnr mc3yd213-inherit
  4. Oracle 6431 1 0 jul03? 00:00:00/u01/Oracle/mc3yd213/apps/tech_st/10.1.2/bin/tnslsnr pai_mc3yd213-inherit
  5. Oracle 13616 1 0 May27? 00:00:40/u01/Oracle/mc3yd213/apps/tech_st/10.1.2/bin/tnslsnr listener-inherit
  6. [Oracle @ bej301441 ~] $

 

Oracle background process
  1. [Oracle @ bej301441 ~] $ PS-Ef | grep-I "ora _"
  2. Oracle 1887 1 0? 00:00:00 ora_w000_mc3yd213
  3. Oracle 2159 1 0? 00:00:00 ora_j000_mc3yd213
  4. Oracle 2167 29986 0 00:00:00 pts/2 grep-I ora _
  5. Oracle 3516 1 0 jul03? 00:02:00 ora_pmon_mc3yd213
  6. Oracle 3518 1 0 jul03? 00:02:08 ora_vktm_mc3yd213
  7. Oracle 3522 1 0 jul03? 00:00:27 ora_diag_mc3yd213
  8. Oracle 3524 1 0 jul03? 00:00:18 ora_dbrm_mc3yd213
  9. Oracle 3526 1 0 jul03? 00:00:35 ora_psp0_mc3yd213
  10. Oracle 3528 1 0 jul03? 00:05:59 ora_dia0_mc3yd213
  11. Oracle 3530 1 0 jul03? 00:00:19 ora_mman_mc3yd213
  12. Oracle 3532 1 0 jul03? 00:01:06 ora_dbw0_mc3yd213
  13. Oracle 3534 1 0 jul03? 00:02:53 ora_lgwr_mc3yd213
  14. Oracle 3536 1 0 jul03? 00:02:08 ora_ckpt_mc3yd213
  15. Oracle 3538 1 0 jul03? 00:01:36 ora_smon_mc3yd213
  16. Oracle 3540 1 0 jul03? 00:00:06 ora_reco_mc3yd213
  17. Oracle 3542 1 0 jul03? 00:02:01 ora_mmon_mc3yd213
  18. Oracle 3544 1 0 jul03? 00:03:20 ora_mmnl_mc3yd213
  19. Oracle 3564 1 0 jul03? 00:00:09 ora_fbda_mc3yd213
  20. Oracle 3569 1 0 jul03? 00:00:16 ora_qmnc_mc3yd213
  21. Oracle 3584 1 0 jul03? 00:00:36 ora_q000_mc3yd213
  22. Oracle 3586 1 0 jul03? 00:00:15 ora_q0020.mc3yd213
  23. Oracle 3690 1 0 jul03? 00:02:30 ora_cjq0_mc3yd213
  24. Oracle 3707 1 0 jul03? 00:00:28 ora_smco_mc3yd213
  25. Oracle 7676 1 0 jul03? 00:42:49 ora_m000_mc3yd213
  26. [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
User process fails (eg. Release Database locks ).

These background processes can also be found in the database. You can use the following SQL to query background processes. In the program column, you can see SMON, mmon, ckpt, pmon, mman, mmnl... background Process

  1. Select * from V $ session where type = 'background ';

For background processes, see Oracle background processes

Oracle management agent
  1. [Oracle @ bej301441 ~] $ PS-Ef | grep emagent
  2. Oracle 2097 29986 0 00:00:00 pts/2 grep emagent
  3. Oracle 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
  4. Oraem 3150 3130 0 may24? 00:25:56/opt/Oracle/oraem/agent10g/bin/emagent
  5. [Oracle @ bej301441 ~] $

Reprinted please indicate the source: http://blog.csdn.net/pan_tian/article/details/7734892

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