TNS-12520 Occurs During Logon Storm or Spike in Number of Incoming Connections
(Doc ID 2321889.1)
Last updated on NOVEMBER 01, 2017
Applies to:Oracle Net Services - Version 188.8.131.52 to 184.108.40.206 [Release 11.2 to 12.2]
Information in this document applies to any platform.
DB init parameter processes is set to 3000, TNS-12520 is seen in listener.log intermittently even v$resource_limit only shows a max value 2723 for process MAX_UTILIZATION:
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