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Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller

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Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller

Hi team,

 

We are getting the below error notification on contrtoller UI very frequently.

 

Severity
Error
Type
CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED
Time
12/28/17 11:43:17 AM
Summary
Limit reached for: BUSINESS_TRANSACTION; Scope: APPLICATION; Id: 7; Limit: 200
 
Please helpp us to resolve this error or let us know this is ignorable.
 
Regards,
Deepanshu
Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller
3 REPLIES 3
AppDynamics Team

Re: Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller

Hi Deepanshu,

 

The event implies per application Business Transaction limit being hit. For more information, please refer docs link: 
https://docs.appdynamics.com/display/PRO44/Business+Transactions#BusinessTransactions-btlimitsBusine...

The best practice to fix the BT is to logically group BTs using match rules. We can also exclude non-important BTs which will help in keeping BT count low from Controller perspective. This way you continue to receive diagnostic information in form of snapshots which provides very good visibility into the performance of the application without any possibility of any form of overhead. 
https://docs.appdynamics.com/display/PRO44/Organize+Business+Transactions

 

Thanks



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Re: Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller

Hi Pratik,

 

I have 57 Applications configured in my AppDynamics setup. How to identify which application reached maximum utilization of BTs?

 

Thanks,

Suresh Rapaka

 

^Minor edits to improve readability of post by @Ryan.Paredez, AppD Community Manager

Builder

Re: Getting CONTROLLER_METADATA_REGISTRATION_LIMIT_REACHED error notification in controller

Hi Suresh,

 

The error message you are getting contains the application ID:

Limit reached for: BUSINESS_TRANSACTION; Scope: APPLICATION; Id: 7; Limit: 200

 

This indicates that it is Application ID 7. To determine which application this is from the controller, go to an Applications dashboard, then inspect the URL - it will have the application ID as part of the URL. Continue until you find ID 7.

 

https://<your-instance>.appdynamics.com/controller/#/location=APP_DASHBOARD&timeRange=last_1_hour.BEFORE_NOW.-1.-1.60&application=87

 

 

In terms of the error, and whether you can ignore it - I would recommend that you don't ignore it. It is indicative of a Rule that has created multiple Business Transactions, and has encountered the limit. This will mean that there will be transactions that will not be being detected.

 

Mark