Update metrics configuration

CHANGELOG.md

@@ -6,8 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 ### Added
+- [2021-02-06] Add Micrometer and Resilience4J dashboards to defaults [@_tde9]
 
 ### Changed
+- [2021-02-06] Use Resilience4J circuit breaker stats for upstream download panel [@_tde9]
+- [2021-02-06] Set default docker GC to Shenandoah [@_tde9]
 
 ### Deprecated
 

docker/docker-compose.yml

@@ -11,8 +11,7 @@ services:
       - ./settings.yaml:/mangahome/settings.yaml:ro
       - ./data/cache/:/mangahome/data/
     environment:
-      # If your client is intended to do more than ~100rqps, it is recommended replacing -XX:+UseG1GC with -XX:+UseShenandoahGC
-      JAVA_TOOL_OPTIONS: "-Xms1G -Xmx1G -XX:+UseG1GC -Xss512K"
+      JAVA_TOOL_OPTIONS: "-Xms1G -Xmx1G -XX:+UseShenandoahGC -Xss512K"
     privileged: true
     command: [
         "bash",

docker/grafana/dashboards/mangadex_at_home.json

@@ -17,7 +17,7 @@
   "editable": false,
   "gnetId": null,
   "graphTooltip": 1,
-  "iteration": 1611971739196,
+  "iteration": 1612597868573,
   "links": [],
   "panels": [
     {
@@ -1083,7 +1083,7 @@
       "fill": 10,
       "fillGradient": 0,
       "gridPos": {
-        "h": 14,
+        "h": 15,
         "w": 8,
         "x": 0,
         "y": 12
@@ -1193,14 +1193,19 @@
         "Downloads": "dark-green",
         "Duration": "super-light-green",
         "IllegalStateException": "yellow",
+        "Slow calls - failed": "dark-red",
+        "Slow calls - successful": "yellow",
         "Success": "green",
         "TTFB": "super-light-blue",
-        "Upstream failures": "dark-red"
+        "Upstream failures": "dark-red",
+        "failed": "dark-red",
+        "ignored": "yellow"
       },
       "bars": true,
       "dashLength": 10,
       "dashes": false,
       "datasource": "Prometheus",
+      "description": "This panel displays stats about upstream fetches\n\nTTFB is the time taken by upstream to start replying\n\nStatuses can be:\n- **successful** - executed with success\n- **failed** - executed but failed for some reason\n- **ignored** - to avoid spamming upstream when it's dead or suffering, the client avoids calling it many times in a row if they keep failing",
       "fieldConfig": {
         "defaults": {
           "custom": {}
@@ -1210,7 +1215,7 @@
       "fill": 8,
       "fillGradient": 0,
       "gridPos": {
-        "h": 8,
+        "h": 9,
         "w": 8,
         "x": 8,
         "y": 12
@@ -1226,8 +1231,6 @@
         "max": true,
         "min": true,
         "show": true,
-        "sort": "max",
-        "sortDesc": true,
         "total": false,
         "values": true
       },
@@ -1245,7 +1248,7 @@
       "seriesOverrides": [
         {
           "$$hashKey": "object:158",
-          "alias": "Success",
+          "alias": "successful",
           "color": "#37872D"
         },
         {
@@ -1265,16 +1268,16 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "sum(rate(http_client_request_latency_seconds_count{status=~\"2..\"}[$itvl]))",
+          "expr": "sum(rate(resilience4j_circuitbreaker_calls_seconds_count{name=\"upstream\"}[$itvl])) by (kind)",
           "hide": false,
           "instant": false,
           "interval": "$itvl",
           "intervalFactor": 2,
-          "legendFormat": "Success",
+          "legendFormat": "{{ kind }}",
           "refId": "A"
         },
         {
-          "expr": "avg(rate(http_client_request_latency_seconds_sum[$itvl])) / avg(rate(http_client_request_latency_seconds_count[$itvl]))",
+          "expr": "avg(rate(resilience4j_circuitbreaker_calls_seconds_sum[$itvl])) / avg(rate(resilience4j_circuitbreaker_calls_seconds_count[$itvl]))",
           "interval": "",
           "intervalFactor": 1,
           "legendFormat": "TTFB",
@@ -1324,6 +1327,82 @@
         "alignLevel": null
       }
     },
+    {
+      "datasource": null,
+      "fieldConfig": {
+        "defaults": {
+          "custom": {},
+          "mappings": [
+            {
+              "from": "1",
+              "id": 1,
+              "text": "Disconnected",
+              "to": "1000",
+              "type": 2,
+              "value": ""
+            },
+            {
+              "from": "0",
+              "id": 2,
+              "text": "Connected",
+              "to": "1",
+              "type": 2,
+              "value": ""
+            }
+          ],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "dark-green",
+                "value": null
+              },
+              {
+                "color": "dark-red",
+                "value": 1
+              }
+            ]
+          },
+          "unit": "short"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 4,
+        "w": 3,
+        "x": 16,
+        "y": 12
+      },
+      "id": 56,
+      "options": {
+        "colorMode": "background",
+        "graphMode": "area",
+        "justifyMode": "center",
+        "orientation": "auto",
+        "reduceOptions": {
+          "calcs": [
+            "mean"
+          ],
+          "fields": "",
+          "values": false
+        },
+        "textMode": "value"
+      },
+      "pluginVersion": "7.3.7",
+      "targets": [
+        {
+          "expr": "sum(resilience4j_circuitbreaker_state{name=\"upstream\", state!=\"closed\"})",
+          "instant": true,
+          "interval": "",
+          "legendFormat": "{{ state }}",
+          "refId": "A"
+        }
+      ],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Upstream status",
+      "type": "stat"
+    },
     {
       "cacheTimeout": null,
       "datasource": "Prometheus",
@@ -1360,8 +1439,8 @@
       },
       "gridPos": {
         "h": 4,
-        "w": 8,
-        "x": 16,
+        "w": 5,
+        "x": 19,
         "y": 12
       },
       "id": 54,
@@ -1416,7 +1495,7 @@
       "fill": 10,
       "fillGradient": 0,
       "gridPos": {
-        "h": 10,
+        "h": 11,
         "w": 8,
         "x": 16,
         "y": 16
@@ -1528,7 +1607,7 @@
         "h": 6,
         "w": 8,
         "x": 8,
-        "y": 20
+        "y": 21
       },
       "hiddenSeries": false,
       "id": 49,
@@ -1613,7 +1692,7 @@
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 26
+        "y": 27
       },
       "id": 53,
       "panels": [
@@ -1903,5 +1982,5 @@
   "timezone": "",
   "title": "MangaDex@Home - Personal client dashboard",
   "uid": "a7sZAw2Mk",
-  "version": 4
+  "version": 3
 }