[GitHub] [pulsar] TheDungNTU edited a discussion: [Pulsar JVM Dashboard] Zookeeper show No Data on column direct memory

[GitBox]

GitHub user TheDungNTU edited a discussion: [Pulsar JVM Dashboard]  Zookeeper 
show No Data on column direct memory


**Describe the bug**

To monitor a Pulsar cluster, I used grafana and in the Pulsar JVM dashboard, 
Zookeeper Direct Memory is show No Data. While other dashboards have data such 
as Bookie, Broker, Recovery.

I want to know why Zookeeper Metrics has no data for direct memory. I 
researched the document but did not find information about zookeeper metrics. 
Can you help me?

**Zookeeper**
![image](https://user-images.githubusercontent.com/56428954/200501163-e78fe91b-0539-4b8b-a445-a6a459cce168.png)

**Broker**
![image](https://user-images.githubusercontent.com/56428954/200501097-99692ea4-cba6-4b06-8264-94af463a14ed.png)

**Recovery**
![image](https://user-images.githubusercontent.com/56428954/200501235-b37c8d69-8ad0-4026-81d3-c8bcb9d33dbe.png)

**Grafana Overview**
![image](https://user-images.githubusercontent.com/56428954/200501319-143203e6-f690-4483-940b-11dc345fa2c7.png)









GitHub link: https://github.com/apache/pulsar/discussions/18382

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