查看Oracle某时刻的客户端IP连接情况
1、查看每个oracle帐户的连接总数
sql代码- select username,count(username) from v$session where username is not null group by username
2、缺省从 v$session 中不能直接获得客户端 IP,可以在数据库中创建一个追踪客户端IP地址的触发器:
sql代码- create or replace trigger on_logon_trigger after logon on database
- begin
- dbms_application_info.set_client_info(sys_context('userenv', 'ip_address'));
- end;
- /
sql代码
- select sid,serial#,username,program,machine,client_info
- from v$session
- where username is not null -- and status = 'ACTIVE'
- order by username,program,machine;
显示结果:
Java代码- 1 102 2986 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 2 375 10078 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 3 858 1751 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 4 761 5406 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 5 803 3590 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 6 448 2525 AMS_TEST JDBC Thin Client MICROSO-V22G1JA 192.168.0.92
- 7 654 10009 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
- 8 659 9547 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
- 9 664 7554 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
- 10 693 6960 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
- 11 714 3672 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
- 12 724 13457 HDCZOA JDBC Thin Client WWW-18843A7DA64 192.168.0.115
4、查看当前Oracle的连接数
sql代码- select count(*) from v$process;
5、查看数据库允许的最大连接数
sql代码- select value from v$parameter where name='processes';
6、修改最大连接数
sql代码7、业务IP连接数查询
set pagesize 1000 line 1000
select count(1), client_info from v$session where username is not null group by client_info order by 1 desc;
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