EM12c : Exadata Target Metric oracle_exadata_dbsys_default_collection causing performance issues on Repository (Doc ID 2111186.1)

Last updated on FEBRUARY 27, 2016

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.5.0 and later
Information in this document applies to any platform.

Symptoms

There are many task worker failures at Repository level due to oracle_exadata_dbsys_default_collection metric.

"repvfy dump task_health" confirms this:

 

Due to this issue, users cannot view graphs under Health Overview page (setup  -->  Manage Cloud Control  -->  Health Overview)

Cause

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