12.1.0.7 BTM Ignores Observer Size Limit, Creating Big Objects Under EJB Probe (Doc ID 2191424.1)

Last updated on OCTOBER 17, 2016

Applies to:

APM - Application Performance Management - Version 12.1.0.7.0 to 12.1.0.7.0 [Release 12.1]
Information in this document applies to any platform.

Symptoms

Business Transaction Management (BTM) server: Release 12.1.0.7.6
Observer: Build Info: 12.1.0.7.6/btm-12/31057

A custom java application is bing monitored with with BTM.
A production outage was encountered because of big objects in a heap created by BTM observer.
Server went to OutOfMemory and created heap dumps.

Observer policy > Maximum message size limit was set to default value 2MB. but the heap dump generated has about 20 objects of sizes: 150MB, 80MB down to 18MB.

 

Changes

 

Cause

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