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博客园 - My Data Support

用户中心 - 博客园 ORACLE版本说明 ORACLE KILL回话 MOS文章分类整理 如何在 SQL Server 2005 实例之间传输登录和密码 动态修改MYSQL配置参数 只导出表结构的SQL语句 查询大字段对象脚本 BMC监控的一个坑 RAC环境下创建本地数据文件的解决方法 如何清理监听日志 RMAN基于时间点的恢复 RAC一个节点添加本地监听地址 ORACLE坏块检查 远程访问数据库查询数据量一大就Hang 什么时候会刷新备库控制文件refresh the standby database control file? 在一个RAC集群中最多支持多少节点 Database name和SID Oracle Semaphore Management in UNIX Administration
Why AIXTHREAD_SCOPE Should Be Set To 'S' On AIX
My Data Support · 2013-10-08 · via 博客园 - My Data Support

In a multi-processor environment running on an AIX platform, if you are intending to use multi-threaded applications, 
the OS recommendation is to set the environment variable AIXTHREAD_SCOPE=S before invoking this application. 
It results in improved performance of the application.

The syntax to set this variable is:

% export AIXTHREAD_SCOPE=S

Please read more on this here. Please note that this is a 3rd party link and is not maintained by Oracle. 
The idea is to help a user gather more information on this and not intended for promotional purposes.

Please also note that setting AIXTHREAD_SCOPE=S is recommended in 
Note 169706.1 : Oracle Database (RDBMS) on Unix AIX,HP-UX,Linux,Mac OS X,Solaris,Tru64 Unix Operating Systems Installation and Configuration Requirements Quick Reference (8.0.5 to 11.2)

REFERENCES:ID 458403.1