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ORA-04032: pga_aggregate_target must be set before switching to auto mode ORACLE 报错 故障修复 远程处理

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ORA-04032: pga_aggregate_target must be set before switching to auto mode ORACLE 报错 故障修复 远程处理

文档解释

ORA-04032: pga_aggregate_target must be set before switching to auto mode

Cause: attempt to set workarea_size_policy to AUTO while pga_aggregate_target is not specified

Action: before setting workarea_size_policy, set pga_aggregate_target to a value representing the total private memory available to the instance. This total is generally the total physical memory available in the system minus what is needed for the SGA minus what is needed for the operating system (e.g. 500MB)

这是一条来自Oracle数据库的出错信息,它指出你必须在切换到自动模式之前设置pga_aggregate_target,以便系统能够分配足够的空间。

官方解释

PGA_AGGREGATE_TARGET系统参数是Oracle数据库的一个参数,该参数在自动PX管理模式(AMM)中使用,以决定PGA大小的总量。它决定了该库的任务可以从PGA自动管理模式中获得的PX内存量。

常见案例

这个错误在切换到自动模式(automatic memory management,AMM)之前会出现。只要PGA_AGGREGATE_TARGET参数未正确设置,就可能出现这个错误。

正常处理方法及步骤

1.确保安装在Oracle的过程中没有出现任何问题,否则可能出现这个错误。

2.使用以下SQL语句来检查PGA_AGGREGATE_TARGET参数是否已经正确设置:

SELECT * FROM V$PARAMETER WHERE NAME = ‘PGA_AGGREGATE_TARGET’;

3.如果参数没有正确设置,使用以下命令设置该参数:

ALTER SYSTEM SET PGA_AGGREGATE_TARGET= ‘VALUE’ SCOPE=SPFILE;

4.然后重新启动数据库以激活新参数。

5.重新切换到自动模式,看看是否再次出现相同错误。

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ORA-04032: pga_aggregate_target must be set before switching to auto mode ORACLE 报错 故障修复 远程处理

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