ORA-00053: maximum number of enqueues exceeded ORACLE 报错 故障修复 远程处理

文档解释

ORA-00053: maximum number of enqueues exceeded

Cause: Ran out of enqueue state objects.

Action: Increase the value of the ENQUEUES initialization parameter.

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Error code: ORA-00053

Official English explanation: “maximum number of sessions exceeded”

Chinese explanation: 超过最大会话数

Common cases:

• This error can occur when the number of concurrent user sessions connected to an Oracle database exceeds the maximum number of sessions allowed.
• The error can also occur when the database has reached the maximum number of parallel execution processes.

Resolution steps:

1. Determine the current number of user sessions and parallel execution processes by querying the V$SESSION and V$PROCESS views.
2. Check the values for the initialization parameters sessions and parallel_max_servers in the spfile or init.ora file and increase the values if necessary.
3. After making the necessary changes, restart the Oracle database to take effect.

Note: If increasing the values of the initialization parameters does not resolve the error, consider optimizing database performance or increasing system resources such as memory and CPU to handle the increased load.

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