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Zookeeper Monitoring

Apache ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. ZooKeeper can be deployed either in stand-alone or clustered mode. Moein Monitoring system supports monitoring of this tool in both operational modes. A variety of performance metrics for java virtual machine (JVM) such as threads, heap memory, garbage collectors, and metrics related to nodes and replicas are all monitored. Performance indicators monitored for zookeeper are listed below:


Zookeeper KPIs:

  1. Average Request Latency
  2. Server Start Time
  3. Sent Packets
  4. Received Packets
  5. Outstanding Requests
  6. Alive Connections
  7. Data Directory Size
  8. Election Time
  9. Packet Send Rate
  10. Packet Receive Rate
  11. Number Of Nodes In Data Tree
  12. Number Of Watches In Data Tree



  1. List Of Replicas
  2. Client Socket
  3. Election Socket
  4. Is Leader?
  5. Learner Type
  6. Quorum Socket


Host KPIs:

  1. Committed Virtual Memory
  2. Total Swap Space
  3. Free Swap Space Size
  4. Used Swap Space
  5. Swap Space Usage
  6. Host Free Memory
  7. Host Total Memory
  8. Host Used Memory
  9. Host Memory Used Percentage
  10. CPU Time
  11. CPU Usage
  12. Host CPU Usage
  13. Number Of Processors
  14. Open File Descriptors
  15. Maximum File Descriptors
  16. JVM Up Time

Threads :

  1. Daemon Thread Count
  2. Peak Thread Count
  3. Active Thread Count
  4. Total Started Thread Count
  5. Current Thread CPU Time
  6. Current Thread User Time

Memory :

  1. Committed Heap Memory
  2. Initial Heap Memory
  3. Maximum Heap Memory
  4. Used Heap Memory
  5. Heap Memory Used Percentage
  6. Committed Non-Heap Memory
  7. Initial Non-Heap Memory
  8. Maximum Non-Heap Memory
  9. Used Non-Heap Memory
  10. Non-Heap Memory Used Percentage

Java Classes:

  1. Total Classes
  2. Current Locaded Classes
  3. Unloaded Classes

Garbage Collectors:

  1. Garbage Collection Count
  2. Garbage Collection Rate
  3. Garbage Collection Time
  4. Average Garbage Collection Time


Communication Protocols:

  • JMX
Orchestrasion Tools
ZookeeperKubernetesWebSphere EdgeHAProxyTraefik
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