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A Case Study for LMS ORA-4030 and Node Eviction Root Cause Analysis (Doc ID 2057489.1)

Last updated on SEPTEMBER 16, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Five nodes 11.2.0.4 Real Application Cluster: racnode1 - racnode5, node 4 racnode4 is evicted on Sep 29 at 11:12:38:

 Normally there were around 300 new connections per minute, just before the node eviction the number of new connections per minute sky-rocketed to 3300+.

 

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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