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 24, 2016

Applies to:

Oracle SuperCluster T5-8 Half Rack - Version All Versions and later
Oracle SuperCluster T5-8 Full Rack - Version All Versions and later
SPARC SuperCluster T4-4 - Version All Versions and later
SPARC SuperCluster T4-4 Half Rack - Version All Versions and later
Oracle SuperCluster M6-32 Hardware - Version All Versions and later
Oracle Solaris on SPARC (64-bit)

Symptoms

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.

 

Changes

 Issues seems to be more prevalent in Solaris 11.2 and 11.3 and is triggered frequently by excessive CPU saturation.

Cause

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