SuperCluster: Transient Threads Can Lead to Instance Crashes, Node Evictions and Random Database or Application Performance Issues
(Doc ID 2149887.1)
Last updated on JUNE 11, 2020
Applies to:Oracle SuperCluster M6-32 Hardware - Version All Versions and later
Solaris Operating System - Version 11.1 to 11.3 [Release 11.0]
Oracle SuperCluster T5-8 Hardware - Version All Versions and later
Oracle SuperCluster M7 Hardware - Version All Versions and later
Oracle SuperCluster T5-8 Half Rack - Version All Versions and later
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)
Node evictions due to heart beat timeouts with no apparent problem on the IB fabric. Instance evictions due to delayed lms or lmd ping acknowledgements with no apparent interconnect problems. Unexplained delays in java or shell script code on very busy application nodes.
Issues seems to be more prevalent in Solaris 11.2 and 11.3 and is triggered frequently by excessive CPU saturation.
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