From 2f07fc463616493145039b833cc36ac528ac7c06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BD=D0=B0=D1=81=D1=82=D0=B0=D1=81=D0=B8=D1=8F=20?=
 =?UTF-8?q?=D0=A1=D0=BA=D1=83=D0=BB=D1=8C=D1=81=D0=BA=D0=B0=D1=8F?=
 <askulskaya@atsaero.ru>
Date: Thu, 21 Dec 2023 17:54:50 +0300
Subject: [PATCH] Metrics are created with _ between namespace and metric name
 instead of :

---
 src/Prometheus/Collector.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Prometheus/Collector.php b/src/Prometheus/Collector.php
index cbda884f..b977a9e4 100644
--- a/src/Prometheus/Collector.php
+++ b/src/Prometheus/Collector.php
@@ -42,7 +42,7 @@ abstract class Collector
     public function __construct(Adapter $storageAdapter, string $namespace, string $name, string $help, array $labels = [])
     {
         $this->storageAdapter = $storageAdapter;
-        $metricName = ($namespace !== '' ? $namespace . '_' : '') . $name;
+        $metricName = ($namespace !== '' ? $namespace . ':' : '') . $name;
         self::assertValidMetricName($metricName);
         $this->name = $metricName;
         $this->help = $help;