High RSS memory for IPC0 observed when Exafusion is enabled
(Doc ID 2407743.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Exadata Storage Server Software - Version 18.104.22.168.0 and later
Information in this document applies to any platform.
On systems where Exafusion is enabled, the IPC0 background process is seen with a high RSS (resident set size) memory usage in OS commands like “top” and “ps”.
Exafusion is enabled by default in releases 12.2 and newer releases.
To determine if Exafusion is enabled, please look for the following string in the database instance alert log file.
GI/RDBMS upgraded to 12.2 or 18.1 release
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