Tuning for SPARC SuperCluster and Solaris X86-64 Exadata (X2-2) RDS issues contributing to RDS Latency, RAC Node Evictions,Intermittent spikes in cluster waits and ORA-27300 MTU errors
(Doc ID 1498896.1)
Last updated on MARCH 29, 2019
Applies to:
Oracle SuperCluster M6-32 Hardware - Version All Versions to All Versions [Release All Releases] Solaris Operating System - Version 11 11/11 to 11.1 [Release 11.0] Exadata Database Machine X2-2 Full Rack - Version All Versions to All Versions [Release All Releases] Exadata Database Machine X2-2 Half Rack - Version All Versions to All Versions [Release All Releases] SPARC SuperCluster T4-4 - Version All Versions to All Versions [Release All Releases] Oracle Solaris on SPARC (64-bit) Oracle Solaris on x86-64 (64-bit)
This tuning is only appropriate for NUMA systems such as the T4-4 compute node in SPARC SuperCluster and Solaris x86-64 on X2-2. The tuning is not appropriate for general purpose LDoms within the SPARC SuperCluster. It is applicable only to the Exadata X2-2 running Solaris.
Symptoms
Cause
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