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Appliance load after midnight

 

Information

 

Summary:

Description of possible causes of higher load after midnight.

Environment:

Product: Flowmon OS, Flowmon APM

Version: 12.x and lower

Platform: HW, Virtual

Question/Problem Description:

CPU load increases after midnight.

Steps to Reproduce:  
Error Message:  
Defect Number:  
Enhancement Number:  
Cause:

Possible causes:

1) Generating scheduled reports in Monitoring Center starts at 1:25 am.

2) Vacuum of the APM database starts at 1:00 am every day. 

Resolution:

1) Lower the number of scheduled reports.

2) Consider configuring transaction aggregation in APM to lower the number of transactions.

Workaround:  
Notes: https://www.postgresql.org/docs/current/sql-vacuum.html

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