MINOR: contrib/prometheus-exporter: report the number of idle conns per server
This adds two extra metrics per server, one for the current number of idle
connections and one for the configured limit :
* haproxy_server_idle_connections_current
* haproxy_server_idle_connections_limit
diff --git a/contrib/prometheus-exporter/README b/contrib/prometheus-exporter/README
index b6160b3..915fc7f 100644
--- a/contrib/prometheus-exporter/README
+++ b/contrib/prometheus-exporter/README
@@ -243,4 +243,6 @@
| haproxy_server_current_throttle | Current throttle percentage for the server, when slowstart is active. |
| haproxy_server_loadbalanced_total | Total number of times a service was selected. |
| haproxy_server_http_responses_total | Total number of HTTP responses. |
+| haproxy_server_idle_connections_current | Current number of idle connections available for reuse. |
+| haproxy_server_idle_connections_limit | Limit on the number of available idle connections. |
+----------------------------------------------------+---------------------------------------------------------------------------+