[GitHub] [pulsar] dragonls opened a new issue #13645: No subscription metrics for non persistent topic consumer

[GitBox]

dragonls opened a new issue #13645:
URL: https://github.com/apache/pulsar/issues/13645


   **Describe the bug**
   It seems that there are no subscription throughput out metrics for non 
persistent topic consumer, which make it hard to know whether the consumers are 
working fine.
   
   I tried to produce and consumer a non persistent topic. The metrics 
`pulsar_subscription_msg_throughput_out` and `pulsar_throughput_out` are always 
0 for non persistent topics, but work correctly for persistent topics.
   
   **To Reproduce**
   Steps to reproduce the behavior:
   1. Create a non persistent topic
   2. Try to produce and consume the topic
   3. See the metrics `pulsar_subscription_msg_throughput_out` and 
`pulsar_throughput_out`
   
   **Expected behavior**
   See the throughput out of the topic and each subscription.
   
   **Screenshots**
   
![image](https://user-images.githubusercontent.com/2565118/148348682-e21c385b-b688-48e9-9024-4846c2d3416b.png)
   
![image](https://user-images.githubusercontent.com/2565118/148348816-10008f61-0ac7-41b0-b1b9-4fd2d633f887.png)
   
   **Additional context**
   Pulsar version: 2.7.2
   


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