bump prometheus fork (#37184)

our prometheus fork had fallen a bit behind upstream and they've made a few minor perf changes since; this rebases on top of those

GitOrigin-RevId: 5281fa95cf1623539d8cb945f4c1622b42dd9e4c

Author: gautamg795

Cargo.lock

@@ -5,6 +5,7 @@ exclude = [ "crates/py_client", "crates/python_client_tests" ]
 
 [workspace.dependencies]
 aes = { version = "0.8.4" }
+ahash = "0.8"
 anyhow = "1"
 async-broadcast = "0.7.0"
 async-channel = "2.3.1"
@@ -110,7 +111,7 @@ portpicker = "0.1"
 const-oid = "0.9.6"
 postgres-native-tls = "^0.5"
 pretty_assertions = "1"
-prometheus = { git = "https://github.com/get-convex/rust-prometheus", rev = "061619b6e44ca7f3b94d97346152cab319895929" }
+prometheus = { git = "https://github.com/get-convex/rust-prometheus", rev = "8794d2bbf2a5a9adc501067ee4440dde6b5e6e25" }
 proptest = "1"
 proptest-derive = "0.5.0"
 proptest-http = { git = "https://github.com/nipunn1313/proptest-http", rev = "0e658bd4f6dbb73bdd3be66f0d2c34c00cc3a446" }
@@ -157,7 +158,7 @@ thousands = "0.2.0"
 tld = "2.36.0"
 tokio = { version = "1", features = [ "full" ] }
 tokio-metrics = { version = "0.4.0" }
-tokio-metrics-collector = { version = "0.3.0" }
+tokio-metrics-collector = { version = "0.3.1" }
 tokio-postgres = { version = "0.7.10", features = [ "with-serde_json-1" ] }
 tokio-stream = { version = "0.1", features = [ "io-util", "sync", "signal" ] }
 tokio-tungstenite = { version = "0.26.2", features = [ "native-tls-vendored" ] }
@@ -191,7 +192,7 @@ inherits = "release"
 strip = "debuginfo"
 
 [patch.crates-io]
-prometheus = { git = "https://github.com/get-convex/rust-prometheus", rev = "061619b6e44ca7f3b94d97346152cab319895929" }
+prometheus = { git = "https://github.com/get-convex/rust-prometheus", rev = "8794d2bbf2a5a9adc501067ee4440dde6b5e6e25" }
 
 [workspace.lints.rust]
 unused_extern_crates = "warn"

Cargo.toml

@@ -9,6 +9,7 @@ license = "LicenseRef-FSL-1.1-Apache-2.0"
 doctest = false
 
 [dependencies]
+ahash = { workspace = true }
 anyhow = { workspace = true }
 derive_more = { workspace = true }
 parking_lot = { workspace = true }

crates/metrics/Cargo.toml

@@ -60,7 +60,7 @@ fn initialize_server_version() -> String {
         .unwrap_or_else(|| "unknown".to_owned());
     INIT_VERSION_GAUGE.call_once(|| {
         CONVEX_BINARY_VERSIONS_TOTAL
-            .with_label_values(&[&SERVICE_NAME, &version_str])
+            .with_label_values(&[&*SERVICE_NAME, &version_str])
             .set(1.0);
     });
     version_str

crates/metrics/src/lib.rs

@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use prometheus::{
     core::Collector,
     Gauge,
@@ -23,9 +25,12 @@ pub fn log_counter_with_labels(
     increment: u64,
     labels: Labels<'_>,
 ) {
-    match prometheus_counter
-        .get_metric_with(&labels.iter().map(MetricLabel::split_key_value).collect())
-    {
+    match prometheus_counter.get_metric_with(
+        &labels
+            .iter()
+            .map(MetricLabel::split_key_value)
+            .collect::<HashMap<_, _, ahash::RandomState>>(),
+    ) {
         Ok(metric) => metric.inc_by(increment),
         Err(e) => {
             log_invalid_metric(get_desc(prometheus_counter), e);
@@ -38,9 +43,12 @@ pub fn log_gauge(prometheus_gauge: &Gauge, value: f64) {
 }
 
 pub fn log_gauge_with_labels(prometheus_gauge: &GaugeVec, value: f64, labels: Labels<'_>) {
-    match prometheus_gauge
-        .get_metric_with(&labels.iter().map(MetricLabel::split_key_value).collect())
-    {
+    match prometheus_gauge.get_metric_with(
+        &labels
+            .iter()
+            .map(MetricLabel::split_key_value)
+            .collect::<HashMap<_, _, ahash::RandomState>>(),
+    ) {
         Ok(metric) => metric.set(value),
         Err(e) => {
             log_invalid_metric(get_desc(prometheus_gauge), e);
@@ -57,9 +65,12 @@ pub fn log_distribution_with_labels(
     value: f64,
     labels: Labels<'_>,
 ) {
-    match prometheus_histogram
-        .get_metric_with(&labels.iter().map(MetricLabel::split_key_value).collect())
-    {
+    match prometheus_histogram.get_metric_with(
+        &labels
+            .iter()
+            .map(MetricLabel::split_key_value)
+            .collect::<HashMap<_, _, ahash::RandomState>>(),
+    ) {
         Ok(metric) => metric.observe(value),
         Err(e) => {
             log_invalid_metric(get_desc(prometheus_histogram), e);