日期:2014-05-16 浏览次数:20455 次
? 摘(一) 1. 查看processes和sessions参数 SQL> show parameter processes NAME????????????????????????????????? TYPE???????? VALUE db_writer_processes????????????????? integer???? 1 gcs_server_processes???????????????? integer???? 0 job_queue_processes????????????????? integer???? 10 log_archive_max_processes??????????? integer???? 2 processes??????????????????????????? integer???? 50 SQL> show parameter sessions NAME????????????????????????????????? TYPE???????? VALUE license_max_sessions???????????????? integer???? 0 license_sessions_warning???????????? integer???? 0 logmnr_max_persistent_sessions?????? integer???? 1 sessions???????????????????????????? integer???? 60 shared_server_sessions?????????????? integer 2. 修改processes和sessions值 SQL> alter system set processes=300 scope=spfile; 系统已更改。 SQL> alter system set sessions=335 scope=spfile; 系统已更改。 3. 修改processes和sessions值必须重启oracle服务器才能生效 ORACLE的连接数(sessions)与其参数文件中的进程数(process)有关,它们的关系如下: sessions=(1.1*process+5) 摘(二) 查询数据库当前进程的连接数: