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ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit ORACLE 报错 故障修复 远程处理

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ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit ORACLE 报错 故障修复 远程处理

文档解释

ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit

Cause: An attempt was made to exceed the maximum number of concurrent sessions allowed by the SESSION_PER_USER clause of the user profile.

Action: End one or more concurrent sessions or ask the database administrator to increase the SESSION_PER_USER limit of the user profile.

ORA-02391错误表明,用户在特定时间已经超过了数据库中定义的SESSIONS_PER_USER参数。

官方解释

ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit

Cause: a user attempted to log on, but failed because the concurrent session limit for the user has been reached.

Action: Wait for some of the user’s sessions to end, then retry the action.

常见案例

正常处理方法及步骤

1.检查数据库的SESSIONS_PER_USER参数配置,如果是低于实际应用的值,建议增加SESSIONS_PER_USER参数的配置;

2.确保用户的服务没有还没有过期和未被终止,如果存在这样的情况,可以尝试重新启动用户的服务;

3.检查用户的会话状态,如果存在大量的会话处于非活动状态,可以尝试终止或限制连接;

4.根据用户的实际状况,如果没有任何改善,可以尝试将SESSIONS_PER_USER参数关闭,以允许用户再次访问数据库;

5.进行正确的数据库优化,例如调整查询语句,配置更多的表空间、表分区和索引,提高数据库性能,减少数据库的连接数。

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ORA-02391: exceeded simultaneous SESSIONS_PER_USER limit ORACLE 报错 故障修复 远程处理

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