dedicated server連線測試
當ORACLE以DEDICATED SERVER連線到伺服器時：ORACLE對於每個會話都會生成新的專用伺服器，會話與專用伺服器間是一對一的關係
測試：
會話1：啟動資料庫以後沒有使用者連線上來的程式情況
[oracle@oraclelinux ~]$ ps -ef|grep oracle
root 6318 6286 0 10:08 pts/1 00:00:00 su - oracle
oracle 6319 6318 0 10:08 pts/1 00:00:00 -bash
oracle 24668 1 0 12:53 ? 00:00:01 ora_pmon_TESTENV01
oracle 24670 1 0 12:53 ? 00:00:01 ora_psp0_TESTENV01
oracle 24672 1 0 12:53 ? 00:00:01 ora_mman_TESTENV01
oracle 24674 1 0 12:53 ? 00:00:01 ora_dbw0_TESTENV01
oracle 24676 1 0 12:53 ? 00:00:01 ora_lgwr_TESTENV01
oracle 24678 1 0 12:53 ? 00:00:07 ora_ckpt_TESTENV01
oracle 24680 1 0 12:53 ? 00:00:01 ora_smon_TESTENV01
oracle 24682 1 0 12:53 ? 00:00:00 ora_reco_TESTENV01
oracle 24684 1 0 12:53 ? 00:00:01 ora_cjq0_TESTENV01
oracle 24690 1 0 12:53 ? 00:00:00 ora_d000_TESTENV01
oracle 24692 1 0 12:53 ? 00:00:00 ora_s000_TESTENV01
oracle 24696 1 0 12:53 ? 00:00:03 ora_mmon_TESTENV01
oracle 24698 1 0 12:53 ? 00:00:00 ora_mmnl_TESTENV01
oracle 24700 1 0 12:54 ? 00:00:00 ora_arc0_TESTENV01
oracle 24702 1 0 12:54 ? 00:00:00 ora_arc1_TESTENV01
oracle 24819 6319 0 15:10 pts/1 00:00:00 ps -ef
oracle 24820 6319 0 15:10 pts/1 00:00:00 grep oracle
會話1:當一個使用者登入SQLPLUS,但是沒連線到資料庫的程式情況
[oracle@oraclelinux ~]$ ps -ef|grep oracle
root 6318 6286 0 10:08 pts/1 00:00:00 su - oracle
oracle 6319 6318 0 10:08 pts/1 00:00:00 -bash
oracle 24668 1 0 12:53 ? 00:00:01 ora_pmon_TESTENV01
oracle 24670 1 0 12:53 ? 00:00:01 ora_psp0_TESTENV01
oracle 24672 1 0 12:53 ? 00:00:01 ora_mman_TESTENV01
oracle 24674 1 0 12:53 ? 00:00:01 ora_dbw0_TESTENV01
oracle 24676 1 0 12:53 ? 00:00:01 ora_lgwr_TESTENV01
oracle 24678 1 0 12:53 ? 00:00:07 ora_ckpt_TESTENV01
oracle 24680 1 0 12:53 ? 00:00:01 ora_smon_TESTENV01
oracle 24682 1 0 12:53 ? 00:00:00 ora_reco_TESTENV01
oracle 24684 1 0 12:53 ? 00:00:01 ora_cjq0_TESTENV01
oracle 24690 1 0 12:53 ? 00:00:00 ora_d000_TESTENV01
oracle 24692 1 0 12:53 ? 00:00:00 ora_s000_TESTENV01
oracle 24696 1 0 12:53 ? 00:00:03 ora_mmon_TESTENV01
oracle 24698 1 0 12:53 ? 00:00:01 ora_mmnl_TESTENV01
oracle 24700 1 0 12:54 ? 00:00:00 ora_arc0_TESTENV01
oracle 24702 1 0 12:54 ? 00:00:00 ora_arc1_TESTENV01
root 24822 24765 0 15:11 pts/2 00:00:00 su - oracle
oracle 24823 24822 0 15:11 pts/2 00:00:00 -bash
oracle 24850 24823 0 15:11 pts/2 00:00:00 sqlplus ---這裡多了一個SQLPLUS程式
oracle 24851 6319 0 15:11 pts/1 00:00:00 ps -ef
oracle 24852 6319 0 15:11 pts/1 00:00:00 grep oracle
會話1：當有一個使用者通過SQLPLUS連線到資料庫，程式情況
[oracle@oraclelinux ~]$ ps -ef|grep oracle
root 6318 6286 0 10:08 pts/1 00:00:00 su - oracle
oracle 6319 6318 0 10:08 pts/1 00:00:00 -bash
oracle 24668 1 0 12:53 ? 00:00:01 ora_pmon_TESTENV01
oracle 24670 1 0 12:53 ? 00:00:01 ora_psp0_TESTENV01
oracle 24672 1 0 12:53 ? 00:00:01 ora_mman_TESTENV01
oracle 24674 1 0 12:53 ? 00:00:01 ora_dbw0_TESTENV01
oracle 24676 1 0 12:53 ? 00:00:01 ora_lgwr_TESTENV01
oracle 24678 1 0 12:53 ? 00:00:07 ora_ckpt_TESTENV01
oracle 24680 1 0 12:53 ? 00:00:01 ora_smon_TESTENV01
oracle 24682 1 0 12:53 ? 00:00:00 ora_reco_TESTENV01
oracle 24684 1 0 12:53 ? 00:00:01 ora_cjq0_TESTENV01
oracle 24690 1 0 12:53 ? 00:00:00 ora_d000_TESTENV01
oracle 24692 1 0 12:53 ? 00:00:00 ora_s000_TESTENV01
oracle 24696 1 0 12:53 ? 00:00:03 ora_mmon_TESTENV01
oracle 24698 1 0 12:53 ? 00:00:01 ora_mmnl_TESTENV01
oracle 24700 1 0 12:54 ? 00:00:00 ora_arc0_TESTENV01
oracle 24702 1 0 12:54 ? 00:00:00 ora_arc1_TESTENV01
root 24822 24765 0 15:11 pts/2 00:00:00 su - oracle
oracle 24823 24822 0 15:11 pts/2 00:00:00 -bash
oracle 24850 24823 0 15:11 pts/2 00:00:00 sqlplus
oracle 24853 24850 2 15:11 ? 00:00:00 oracleTESTENV01 (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))
oracle 24854 6319 0 15:12 pts/1 00:00:00 ps -ef
oracle 24855 6319 0 15:12 pts/1 00:00:00 grep oracle
會話1：當有兩個使用者用SQLPLUS連線到資料庫，程式情況
[oracle@oraclelinux ~]$ ps -ef|grep oracle
root 6318 6286 0 10:08 pts/1 00:00:00 su - oracle
oracle 6319 6318 0 10:08 pts/1 00:00:00 -bash
oracle 24668 1 0 12:53 ? 00:00:01 ora_pmon_TESTENV01
oracle 24670 1 0 12:53 ? 00:00:01 ora_psp0_TESTENV01
oracle 24672 1 0 12:53 ? 00:00:01 ora_mman_TESTENV01
oracle 24674 1 0 12:53 ? 00:00:01 ora_dbw0_TESTENV01
oracle 24676 1 0 12:53 ? 00:00:01 ora_lgwr_TESTENV01
oracle 24678 1 0 12:53 ? 00:00:07 ora_ckpt_TESTENV01
oracle 24680 1 0 12:53 ? 00:00:01 ora_smon_TESTENV01
oracle 24682 1 0 12:53 ? 00:00:00 ora_reco_TESTENV01
oracle 24684 1 0 12:53 ? 00:00:01 ora_cjq0_TESTENV01
oracle 24690 1 0 12:53 ? 00:00:00 ora_d000_TESTENV01
oracle 24692 1 0 12:53 ? 00:00:00 ora_s000_TESTENV01
oracle 24696 1 0 12:53 ? 00:00:03 ora_mmon_TESTENV01
oracle 24698 1 0 12:53 ? 00:00:01 ora_mmnl_TESTENV01
oracle 24700 1 0 12:54 ? 00:00:00 ora_arc0_TESTENV01
oracle 24702 1 0 12:54 ? 00:00:00 ora_arc1_TESTENV01
root 24822 24765 0 15:11 pts/2 00:00:00 su - oracle
oracle 24823 24822 0 15:11 pts/2 00:00:00 -bash
oracle 24850 24823 0 15:11 pts/2 00:00:00 sqlplus
oracle 24853 24850 0 15:11 ? 00:00:00 oracleTESTENV01 (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))
root 24888 24856 0 15:13 pts/3 00:00:00 su - oracle
oracle 24889 24888 0 15:13 pts/3 00:00:00 -bash
oracle 24916 24889 1 15:13 pts/3 00:00:00 sqlplus
oracle 24917 24916 2 15:13 ? 00:00:00 oracleTESTENV01 (DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))
oracle 24918 6319 0 15:13 pts/1 00:00:00 ps -ef
oracle 24919 6319 0 15:13 pts/1 00:00:00 -bash
[oracle@oraclelinux ~]$
新加了兩個程式為相應會話進行服務
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/15720542/viewspace-729923/，如需轉載，請註明出處，否則將追究法律責任。
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