[GitHub] [pulsar] HQebupt opened a new issue, #15060: duplicate calculation in replication cluster metric: pulsar_replication_rate_in and pulsar_replication_throughput_in

[GitBox]

HQebupt opened a new issue, #15060:
URL: https://github.com/apache/pulsar/issues/15060

   **Describe the bug**
   Geo-replication is the replication of persistently stored message data 
across multiple clusters of a Pulsar instance.
   I set up 3 geo replication clusters, and found the metric 
`pulsar_replication_rate_in` and `pulsar_replication_throughput_in` are 
duplicate calculation in Cluster B and Cluster C. 
   <img width="714" alt="image" 
src="https://user-images.githubusercontent.com/4970972/162137568-5647dc34-4514-44b3-a5e8-71f84bb9fde1.png";>
   
   
   **To Reproduce**
   Set up 3 geo replication clusters: ClusterA, ClusterB, ClusterC
   Steps to reproduce the behavior:
   1. Only produce message in ClusterA, watch PROM metric in ClusterA: 
`pulsar_rate_in` and `pulsar_throughput_in`
   2. watch `pulsar_replication_rate_in` and  
`pulsar_replication_throughput_in` in ClusterB
   3. watch `pulsar_replication_rate_in` and  
`pulsar_replication_throughput_in` in ClusterC
   4. See `pulsar_replication_rate_in` in Cluster B is double value as 
`pulsar_rate_in` in Cluster A.  the `pulsar_throughput_in ` does the same. 
   
   **Expected behavior**
   The `pulsar_replication_rate_in` and  `pulsar_replication_throughput_in` in 
ClusterB are equal to `pulsar_rate_in` and `pulsar_throughput_in` in Cluster A.
   
   **Screenshots**
   Here is ClusterA's metric.
   <img width="1671" alt="image" 
src="https://user-images.githubusercontent.com/4970972/162143955-8da8dec6-e24d-431c-a819-6e929d363f0d.png";>
   
   <img width="1671" alt="image" 
src="https://user-images.githubusercontent.com/4970972/162143796-1091722e-399d-42d8-b9c7-c4af2f623878.png";>
   
   Here is ClusterB's metric
   <img width="1678" alt="image" 
src="https://user-images.githubusercontent.com/4970972/162144288-f63e95e9-5d05-4272-83d4-78e001c04367.png";>
   
   <img width="1678" alt="image" 
src="https://user-images.githubusercontent.com/4970972/162144530-ec616921-19e3-48fc-bb82-74a686200394.png";>
   
   
   **Desktop (please complete the following information):**
    - Linux CentOS 7.2
   
   


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