Experience cards returns "No Traffic" message on all cards

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• INTROSCOPE

Issue/Introduction

DX APM Team Center Experience cards returns "No Traffic" message on all cards.

Cause

This is due to the huge amount of data (> 200 GB) accumulated in the customer’s appmap tables.
Size of appmap_id_mappings table and appmap_model_vertices table are very large.
Reasons for large amount of accumulated data:-
A malfunction in the periodic DB tables pruning functionality in the EM
Possible metric explosion by Docker Environment 
 
 

Environment

CA APM 10.7 SP 2 

Resolution

Delete rows/duplicate tables from appmap_id_mappings table and appmap_model_vertices table helped. 
Engineering has created a APM 10.7 HF jar which fixes the periodic pruning problem of the appmap tables
Please open a support case to obtain the fix, refer to Defect : DE414659