HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications. Moein monitoring system has the capability of monitoring HAProxy and provides various metrics of Frontend and Backend servers such as request rate, session rate, requests with errors, throughput, etc. The following is a list of performance indicators of this queuing system.

General Metrics:
- Maximum Number Of Connections
- Maximum Number Of Sockets

Frontend Metrics:
- Current Number Of Sessions
- Maximum Number Of Sessions
- Maximum HTTP Requests Rate
- Total Number Of Requests Error
- Number Of Requests Errors
- Total Number Of Requests With 1XX Response
- Number Of Requests With 1XX Response
- Rate Of Requests With 1XX Response
- Total Number Of Requests With 2XX Response
- Number Of Requests With 2XX Response
- Rate Of Requests With 2XX Response
- Total Number Of Requests With 3XX Response
- Number Of Requests With 3XX Response
- Rate Of Requests With 3XX Response
- Total Number Of Requests With 4XX Response
- Number Of Requests With 4XX Response
- Rate Of Requests With 4XX Response
- Total Number Of Requests With 5XX Response
- Number Of Requests With 5XX Response
- Rate Of Requests With 5XX Response

Backend Servers Metrics:
- Time Elapse Since Last Change
- Current Number Of Sessions
- Maximum Number Of Sessions
- Maximum HTTP Requests Rate
- Total Number Of Requests Error
- Number Of Requests Errors
- Total Number Of Requests With 1XX Response
- Number Of Requests With 1XX Response
- Rate Of Requests With 1XX Response
- Total Number Of Requests With 2XX Response
- Number Of Requests With 2XX Response
- Rate Of Requests With 2XX Response
- Total Number Of Requests With 3XX Response
- Number Of Requests With 3XX Response
- Rate Of Requests With 3XX Response
- Total Number Of Requests With 4XX Response
- Number Of Requests With 4XX Response
- Rate Of Requests With 4XX Response
- Total Number Of Requests With 5XX Response
- Number Of Requests With 5XX Response
- Rate Of Requests With 5XX Response

Communication Protocols: