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ORA-10863: Control behavior of buffered background operations ORACLE 报错 故障修复 远程处理

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ORA-10863: Control behavior of buffered background operations ORACLE 报错 故障修复 远程处理

文档解释

ORA-10863: Control behavior of buffered background operations

Cause: NA

Action: THIS IS NOT A USER ERROR NUMBER/MESSAGE. THIS DOES NOT NEED TO BE TRANSLATED OR DOCUMENTED. IT IS USED ONLY FOR INTERNAL TESTING.

ORA-10863 signals that the configurable limit has been reached for buffered background operations. This error occurs when the configurable background process limit has been exceeded.

官方解释

常见案例

ORA-10863出现的常见案例有:

1)后台进程数超过设定的上限;

2)正在处理的任务超出系统最大值;

3)在运行新任务之前,没有完成当前任务;

4)在调度时,被安排的新任务超出缓冲限制;

5)系统缓冲出现瓶颈,或因其他原因而不能完成后台操作;

6)由于超时或CPU出错,不能完成后台操作。

正常处理方法及步骤

1)检查是否存在正在运行的任务,如果有,Kill系统中运行的任务;

2)分析是由于何种原因造成的,如果是由于缓冲出现瓶颈,需要尝试减少缓冲;

3)检查当前会话的权限,如果该会话的权限太低无法执行任务,可以考虑提升权限;

4)调整CLIENT_RESULT_CACHE_CHUNK_SIZE参数,可以提高缓存冗余,提高发送客户端的性能;

5)添加更多的内存,以及增加缓存空间,以缓解此问题及提高性能;

6)修改逻辑,如果容量可以扩大,那么就应该考虑将可能容量过大的地方进行裁剪和优化;

7)修改配置,提高后台进程的上限,但前提是机器有可用的内存;

8)检查错误日志,及时发现并解决问题。

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ORA-10863: Control behavior of buffered background operations ORACLE 报错 故障修复 远程处理

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