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ORA-12805: parallel query server died unexpectedly ORACLE 报错 故障修复 远程处理

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ORA-12805: parallel query server died unexpectedly ORACLE 报错 故障修复 远程处理

文档解释

ORA-12805: parallel query server died unexpectedly

Cause: A parallel query server died unexpectedly, PMON cleaning up the process.

Action: Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services. See trace file for more details.

ORA-12805:parallel query server died unexpectedly 是Oracle数据库的错误代码,表示并发查询服务器意外死亡。

官方解释

这个错误发生时,Oracle数据库平台无法建立新的并发查询服务器会话,以处理某个并行(parallel)查询。当这种情况发生时,Oracle会弹出ORA-12805错误代码,表示这个并发查询服务器意外死亡,而无法建立新的并发查询服务器会话。

常见案例

ORA-12805错误通常发生在一些具有并发查询活动的Oracle数据库系统中,而这些活动发生在同一个数据库中的多个会话之间。这种情况通常是由系统错误或系统故障引起的,它可以妨碍Oracle系统正常工作,影响查询性能,并显示ORA-12805错误代码。

正常处理方法及步骤

1.确定错误发生原因:找出是由系统错误或其他必要条件导致的。

2.对错误进行诊断:收集和分析任务的输入参数,运行查询的实时和历史信息,并确定诊断跟踪中的增加性能和并发性能。

3.运行排错工具并实施补救措施:使用正确的排错步骤排错,并实施正确的补救措施。

4.优化实施改进措施:优化操作,实施改进措施以提高查询性能,并确保支持并发活动。

5.监视性能和可用性:定期监测查询应用程序,确保正常工作和可用性。

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ORA-12805: parallel query server died unexpectedly ORACLE 报错 故障修复 远程处理

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