Apache ActiveMQ® is the most popular open source, multi-protocol, Java-based message broker. It provides high availability, performance, scalability, reliability, and security for enterprise messaging. Moein monitoring system offers the capability of monitoring ActiveMQ and Queues, Topics and the Java Virtual Machine (JVM) performance indicators and etc. are monitored. List of the monitored performance metrics for this queuing system is as follows.

Host KPIs:

1. Uptime
2. Average Message Size
3. Current Connections
4. Maximum Message Size
5. Minimum Message Size
6. Memory Limit Size
7. Memory Usage
8. Is Slave
9. Statistics Is Enable?
10. Disk Limit Size
11. Disk Usage
12. Total Connections
13. Total Consumers
14. Broker Total Dequeued Messages
15. Broker Total Enqueued Messages
16. Broker Total Messages
17. Broker Total Producers
18. Broker Status

Topics:

1. List Of Topics
2. Use Cache
3. Always Retroactive
4. Topic Average Blocked Time
5. Topic Average Enqueue Time
6. Topic Average Message Size
7. Topic Blocked Sends
8. Topic Number Of Consumers
9. Topic Number Of Dequeued Messages
10. Topic Number Of Dispatched Messages
11. Topic Number Of Enqueued Messages
12. Topic Number Of Expired Messages
13. Topic Number Of Forward Messages
14. Topic Number Of InFlight Messages
15. Topic Memory Limit
16. Messages Used Memory In Topic
17. Topic Number Of Producers
18. Current Number Of Messages In Topic
19. Topic Messages Size In Disk
20. Topic Total Blocked Time

Queue:

1. List Of Queues
2. Use Cache
3. Always Retroactive
4. Queue Average Blocked Time
5. Queue Average Enqueue Time
6. Queue Average Message Size
7. Queue Blocked Sends
8. Queue Consumers
9. Queue Dequeued Messages
10. Queue Dispatched Messages
11. Queue Enqueued Messages
12. Queue Expired Messages
13. Queue Forward Messages
14. Queue InFlight Messages
15. Queue Memory Limit
16. Queue Memory Usage
17. Messages Used Memory In Queue
18. Number Of Queue Producers
19. Current Number Of Messages In Queue 
20. Queue Messages Size In Disk
21. Queue Total Blocked Time

JVM KPIs:

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

Java Virtual Machine Information (JVM):

1. JVM Up Time
2. Host 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. Committed Non-Heap Memory
6. Initial Non-Heap Memory
7. Maximum Non-Heap Memory
8. Used Non-Heap Memory
9. Heap Memory Used Percentage
10. Non-Heap Memory Used Percentage

Java Classes:

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

Garbage Collection:

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

Communication Protocols:

• REST