fix(pool): Fix wrong tag name (#4563)

Author: iambriccardo

relay-server/src/services/stats.rs

@@ -194,7 +194,7 @@ impl RelayStats {
 
         metric!(
             gauge(RelayGauges::AsyncPoolQueueSize) = metrics.queue_size(),
-            pool_name = async_pool.name()
+            pool = async_pool.name()
         );
         metric!(
             gauge(RelayGauges::AsyncPoolUtilization) = metrics.utilization() as f64,

relay-server/src/statsd.rs

@@ -7,11 +7,17 @@ pub enum RelayGauges {
     /// Tracks the number of futures waiting to be executed in the pool's queue.
     ///
     /// Useful for understanding the backlog of work and identifying potential bottlenecks.
+    ///
+    /// This metric is tagged with:
+    /// - `pool`: the name of the pool.
     AsyncPoolQueueSize,
     /// Tracks the utilization of the async pool.
     ///
-    /// The utilization is a value between 0.0 and 1.0 which determines how busy is the pool
+    /// The utilization is a value between 0.0 and 100.0 which determines how busy is the pool
     /// w.r.t. to its provisioned capacity.
+    ///
+    /// This metric is tagged with:
+    /// - `pool`: the name of the pool.
     AsyncPoolUtilization,
     /// The state of Relay with respect to the upstream connection.
     /// Possible values are `0` for normal operations and `1` for a network outage.

relay-threading/src/metrics.rs

@@ -33,6 +33,6 @@ impl AsyncPoolMetrics<'_> {
             .map(|m| m.active_tasks.load(Ordering::Relaxed))
             .sum();
 
-        (total_polled_futures as f32 / self.max_tasks as f32).clamp(0.0, 1.0)
+        (total_polled_futures as f32 / self.max_tasks as f32).clamp(0.0, 1.0) * 100.0
     }
 }