Oracle升级到11.2.0.4之后在alert日志中出现 NUMA 警告

升级到11.2.0.4之后在alert日志中出现 NUMA 警告信息

翻译自mos文章:NUMA warning message appear after upgrade to 11.2.0.4 (文档 ID 1600824.1)1

适用于:
Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

症状:
在升级到11.2.0.4之后,在database startup之后,下面的警告信息会生成:

变化:
升级到11.2.0.4

原因:
默认情况下,在11.2中,NUMA是被关闭的,但是如果在你的os级别启用了NUMA,并且如果_enable_NUMA_support  = FALSE 的话,Oracle 只会检测(detect)到NUMA 而不会使用NUMA。

这个在bugBug:17475024中讨论过。closed as duplicate of Bug:16613964 where alerts like below displayed on non-Exadata setup:

解决方案:

- Apply Patch:16613964 if available for your DBVersion and Platform.

or Upgrade to 12.1 where the issus is fixed

No Workarounds are available

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