| Measurement |
Description |
Measurement Unit |
Interpretation |
| Queued_req |
Indicates the number of current connections for which a backend server was not assigned by this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Max_queued_req |
Indicates the maximum number of requests that were queued on the proxy server for this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Curr_sess_conn_rate |
Indicates the rate at which connections were established for this proxy service during the last measurement period. |
Connections/sec |
This measure is applicable only for the Frontend descriptor.
If the backend server is bombarded with connections that exceed the global maximum connection limit, the HA Proxy server will seamlessly queue new connections in the system kernel's socket queue until another backend server is available.
If the connections are constantly queued, then ensure to increase the maximum connection limit on individual backend servers or increase the global maximum connection limit.
|
| Curr_sess_req_rate |
Indicates the number of HTTP requests sent/received per second through this proxy service during the last measurement period. |
Requests/sec |
This measure is applicable only for the Frontend descriptor. |
| Curr_sess_rate |
Indicates the number of HTTP requests sent/received per second for the current sessions through this proxy service during the last measurement period. |
Requests/sec |
|
| Sess_conn_rate_max |
Indicates the maximum number of connections established per second through this proxy service during the last measurement period. |
Connections/sec |
This measure is applicable only for the Frontend descriptor. |
| Sess_req_rate_max |
Indicates the maximum number of requests received per second by the proxy server through this proxy service. |
Requests/sec |
This measure is applicable only for the Frontend descriptor. |
| Sess_rate_max |
Indicates the rate at which new sessions were established through this proxy service. |
Sessions/sec |
|
| Current_sessions |
Indicates the number of sessions currently established through the proxy server. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Maximum_sessions |
Indicates the maximum number of sessions established through this proxy service. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Session_limit |
Indicates the number of sessions that could be definitely established to the proxy server through this proxy service. |
Number |
|
| Session_util |
Indicates the utilization percentage of sessions that were established by this proxy service. |
Percentage |
|
| Total_connections |
Indicates the total number of connections established on the proxy server through this proxy service. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Total_http_req |
Indicates the total number of HTTP requests to the proxy server through this proxy service. |
Number |
A high value can indicate an increase in the load on one or more applications, or a change in the characteristics of one or more applications. |
| Total_stot |
Indicates the total number of sessions established on the proxy server through this proxy service. |
Number |
A high value can indicate an increase in the load on one or more applications, or a change in the characteristics of one or more applications on the server. |
| Hrsp_1xx |
Indicates the number of HTTP responses received with 1xx code from the proxy server for the HTTP requests through this proxy service. |
Number |
|
| Hrsp_2xx |
Indicates the number of HTTP responses received with 2xx code from the proxy server for the HTTP requests through this proxy service. |
Number |
The 200 response is the standard response for successful HTTP requests. |
| Hrsp_3xx |
Indicates the number of HTTP responses received with 3xx code from the proxy server for the HTTP requests through this proxy service. |
Number |
|
| Hrsp_4xx |
Indicates the number of HTTP responses received with 4xx code from the proxy server for the HTTP requests through this proxy service. |
Number |
|
| Hrsp_5xx |
Indicates the number of HTTP responses received with 5xx code from the proxy server for the HTTP requests through this proxy service. |
Number |
Response status codes beginning with the digit “5” indicate cases in which the server is aware that it has encountered an error or is otherwise incapable of performing the request.
Normally, the value of the measure should be 0. A non zero value indicates there are some errors in the proxy server. |
| Hrsp_other |
Indicates the number of HTTP responses received with other codes for e.g., protocol errors from the proxy server for the HTTP requests through this proxy service. |
Number |
|
| Intercepted_req |
Indicates the number of intercepted requests to the proxy server through this proxy service. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Comp_rsp |
Indicates the number of HTTP responses that were compressed on the proxy server through this proxy service. |
Number |
|
| Comp_in |
Indicates the amount of HTTP response bytes fed to the compressor of the proxy server through this proxy service. |
MB |
|
| Comp_out |
Indicates the amount of HTTP response bytes emitted by the compressor on the proxy server through this proxy service. |
MB |
|
| Comp_byp |
Indicates the amount of HTTP response bytes bypassed by the HTTP compressor on the proxy server through this proxy service. |
MB |
|
| Queue_time |
Indicates the average time spent in queue for the last 1024 requests sent through this proxy service. |
Seconds |
This measure is applicable only for the Backend descriptor. |
| Connect_time |
Indicates the average connection time taken for the last 1024 requests sent through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Response_time |
Indicates the average response time taken for the last 1024 requests sent through this proxy service. |
Seconds |
This measure is applicable only for the Backend descriptor. |
| Total_time |
Indicates the average total session time taken for the last 1024 requests sent through this proxy service. |
Seconds |
This measure is applicable only for the Backend descriptor. |
| Total_lb |
Indicates the total number of times a backend server was chosen for new session or for re-despatching the requests through this proxy service. |
Seconds |
This measure is applicable only for the Backend descriptor. |
| Last_session_assign |
Indicates the time elapsed since a session was assigned to the backend server through this proxy service. |
Minutes |
This measure is applicable only for the Backend descriptor. |
| Bytes_incoming |
Indicates the amount of data received by the proxy server through this proxy service. |
MB |
|
| Bytes_outcoming |
Indicates the amount of data transmitted to the proxy server through this proxy service. |
MB |
|
| Response_bytes_in |
Indicates the amount of data sent as response to the proxy server through this proxy service. |
MB |
|
| Compression_out_pct |
Indicates the compression bytes outcoming percentage for this proxy service. |
MB |
|
| Total_bytes_saved |
Indicates the total amount of data saved on the proxy server when data is transmitted through this proxy service. |
MB |
|
| Total_bytes_saved_pct |
Indicates the percentage of data saved on the proxy server when data is transmitted through this proxy service. |
Percentage |
|
| Denied_request |
Indicates the number of requests that were denied by the proxy server when received through this proxy service. |
Number |
|
| Denied_response |
Indicates the number of responses denied by the proxy server when received through this proxy service. |
Number |
|
| Denied_connection |
Indicates the number of connections denied by the proxy server when received through this proxy service. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Denied_session |
Indicates the number of sessions denied by the proxy server when established through this proxy service. |
Number |
This measure is applicable only for the Frontend descriptor. |
| Error_req |
Indicates the number of error prone requests received through this proxy service on the proxy server. |
Number |
This measure is applicable only for the Frontend descriptor.
The requests may be error- prone due to the following reasons:
early termination from the client, before the request has been sent.
read error from the client
client timeout
client closed connection
various bad requests from the client.
request was tarpitted.
|
| Error_connection |
Indicates the number of requests that encountered an error while trying to
connect to a backend server through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Error_response |
Indicates the total number of response errors detected when responses were received through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor.
Ideally, the value of this measure should be zero. |
| Client_abort |
Indicates the number of data transfers aborted by the client when data transfer was made through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Server_abort |
Indicates the number of data transfers aborted by the proxy server when data transfer was made through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Warn_retries |
Indicates the number of times a connection to a server was retried through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Warn_redispatch |
Indicates the number of times a request was redispatched to another server through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Server_state |
Indicates the current status of this proxy service. |
|
The values reported by this measure and their numeric equivalents are available in the table below:
| Measure Value |
Numeric Value |
| Down |
0 |
| Up |
1 |
| Open |
2 |
| No Load Balance |
3 |
| Under Maintenance |
4 |
Note:
This measure reports the Measure Values listed in the table above to indicate the current status this proxy service. However, in the graph of this measure is indicated using only the Numeric Values listed in the above table.
|
| Check_status |
Indicates the status of the last health check for this proxy service. |
|
The values reported by this measure and their numeric equivalents are available in the table below:
| Measure Value |
Numeric Value |
| Unknown |
0 |
| Initializing |
1 |
| Socket Error |
2 |
| Passed on Layer 4 |
3 |
| Layer 1-4 timeout |
4 |
| Layer 1-4 connection problem |
5 |
| Passed on Layer 6 |
6 |
| Layer 6 (SSL) timeout |
7 |
| Layer 6 invalid response |
8 |
| Passed on Layer 7 |
9 |
| Conditionally passes on Layer 7 |
10 |
| Layer 7 (HTTP/SNMP) timeout |
11 |
| Layer 7 invalid response |
12 |
| Layer 7 response error |
13 |
Note:
This measure reports the Measure Values listed in the table above to indicate the status of the last health check for this proxy service. However, in the graph of this measure is indicated using only the Numeric Values listed in the above table.
|
| Server_weight |
Indicates the total weight of this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Active_servers |
Indicates the number of servers that were active while connecting through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Backup_servers |
Indicates the number of backup servers connected to the proxy server through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Check_fail |
Indicates the number of failed checks to the proxy server through this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |
| Checkdown_server |
Indicates the number of Up to DOWN transitions on the proxy server through this proxy service. |
Number |
The backend counter counts transitions to the whole backend being down, rather than the sum of the counters for each server. |
| Down_time |
Indicates the total downtime of this proxy service. |
Number |
This measure is applicable only for the Backend descriptor. |