11.2.0.1数据库运行在win 2008机器上,进程数配置为1000,但是数据库连接数到了170多之后,就开始报ORA-12518 TNS:监听程序无法分发客户机连接

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检查alert日志发现后台日志报ORA-27300 ORA-27301 ORA-27302错误

Fri May 06 11:57:14 2022
Process startup failed, error stack:
Errors in file c:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_psp0_3052.trc:
ORA-27300: 操作系统系统相关操作: CreateThread 失败, 状态为: 8
ORA-27301: 操作系统故障消息: 存储空间不足，无法处理此命令。
ORA-27302: 错误发生在: ssthrddcr
Process J002 died, see its trace file
kkjcre1p: unable to spawn jobq slave process 
Errors in file c:\app\administrator\diag\rdbms\orcl\orcl\trace\orcl_cjq0_3808.trc:

通过mos分析确认问题为IRPStackSize参数值问题

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参考:Ora-27300: OS System Dependent Operation:Createthread Failed With Status: 8 (Doc ID1310453.1)