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RAC Performance and Eviction Issues on Solaris when DISM in Use (Doc ID 1606318.1)

Last updated on NOVEMBER 24, 2021

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 to 12.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)


The use of DISM on Solaris systems (SPARC and x86-64) outside of the ASM instance can lead to several different issues ranging from excessive swap usage even when memory is available to kernel panics to performance problems. It has been determined by engineering that the ASM instance is typically such a small memory footprint that it should not cause an issue.

From a Database and/or Clusterware perspective the Symptoms include:

From a system perspective the Symptoms include:




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