Merge branch 'samber:master' into master

README.md

@@ -4,6 +4,21 @@
 
 Collection available here: **[https://samber.github.io/awesome-prometheus-alerts](https://samber.github.io/awesome-prometheus-alerts)**
 
+<div align="center">
+  <hr>
+  <sup><b>Sponsored by:</b></sup>
+  <br>
+  <a href="https://betterstack.com">
+    <div>
+      <img src="https://samber.github.io/awesome-prometheus-alerts/assets/sponsor-betterstack.png" width="200" alt="Better Stack">
+    </div>
+    <div>
+      Better Stack lets you centralize, search, and visualize your logs.
+    </div>
+  </a>
+  <hr>
+</div>
+
 ## ✨ Contents
 
 - [Rules](#-rules)

_data/rules.yml

@@ -595,6 +595,11 @@ groups:
                 query: "max_over_time(mysql_global_status_threads_connected[1m]) / mysql_global_variables_max_connections * 100 > 80"
                 severity: warning
                 for: 2m
+              - name: MySQL high prepared statements utilization (> 80%)
+                description: "High utilization of prepared statements (>80%) on {{ $labels.instance }}"
+                query: "max_over_time(mysql_global_status_prepared_stmt_count[1m]) / mysql_global_variables_max_prepared_stmt_count * 100 > 80"
+                severity: warning
+                for: 2m
               - name: MySQL high threads running
                 description: "More than 60% of MySQL connections are in running state on {{ $labels.instance }}"
                 query: "max_over_time(mysql_global_status_threads_running[1m]) / mysql_global_variables_max_connections * 100 > 60"

_layouts/default.html

@@ -125,6 +125,18 @@
           class="fa fa-linkedin" target="_blank"></a>
       </li>
     </ul>
+
+
+    <ul id="sponsoring">
+      <li>
+        Kindly supported by&nbsp; 👉
+      </li>
+      <li>
+        <a href="https://betterstack.com/">
+          <img width="" src="assets/sponsor-betterstack.png" />
+        </a>
+      </li>
+    </ul>
   </header>
 
   <main id="content" class="main-content" role="main">

assets/css/app.css

@@ -115,3 +115,29 @@ h2 {
         max-width: 85rem;
     }
 }
+
+ul#sponsoring {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 50px;
+}
+
+ul#sponsoring li {
+    display: flex;
+    padding: 0px 15px;
+    font-size: 16px;
+}
+
+ul#sponsoring li a {
+    display: flex;
+}
+
+ul#sponsoring li a img {
+    max-width: 180px;
+    max-height: 80px;
+}
+
+.page-header {
+    padding-bottom: 30px;
+}

dist/rules/mysql/mysqld-exporter.yml

@@ -22,6 +22,15 @@ groups:
         summary: MySQL too many connections (> 80%) (instance {{ $labels.instance }})
         description: "More than 80% of MySQL connections are in use on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
 
+    - alert: MysqlHighPreparedStatementsUtilization(>80%)
+      expr: 'max_over_time(mysql_global_status_prepared_stmt_count[1m]) / mysql_global_variables_max_prepared_stmt_count * 100 > 80'
+      for: 2m
+      labels:
+        severity: warning
+      annotations:
+        summary: MySQL high prepared statements utilization (> 80%) (instance {{ $labels.instance }})
+        description: "High utilization of prepared statements (>80%) on {{ $labels.instance }}\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"
+
     - alert: MysqlHighThreadsRunning
       expr: 'max_over_time(mysql_global_status_threads_running[1m]) / mysql_global_variables_max_connections * 100 > 60'
       for: 2m