Redis Overview
redis_exporter for redis
# Redis_exporter

## 1.下载配置

​	下载文件：redis_exporter-v1.31.4.linux-amd64.tar.gz
​	解压：

```shell
tar -C /home -xvf redis_exporter-v1.31.4.linux-amd64.tar.gz && cd /home
mv redis_exporter-v1.31.4.linux-amd64 redis_exporter
```

​	配置systemd选项：

```shell
vim /usr/lib/systemd/system/redis_exporter.service
[Unit]
Description=Redis exporter
After=network.target

[Service]
User=prometheus
Group=prometheus
ExecStart=/home/redis_exporter/redis_exporter -redis.addr 10.1xx.1.2xx:6379
Type=simple

[Install]
WantedBy=multi-user.target
```

​	启动：

```shell
systemctl daemon-reload
systemctl start redis_exporter
systemctl status redis_exporter
systemctl enable redis_exporter
```

## 2.配置prometheus

​	添加至prometheus.yml:

  - ```shell
      - job_name: 'redis_exporter_targets'
        static_configs:
          - targets:
            - "10.1xx.1.2xx:6379"
            - "10.1xx.1.2xx:6379"
            - "10.1xx.1.2xx:6379"
              metrics_path: '/scrape'
              relabel_configs:
          - source_labels: [__address__]
            target_label: __param_target
          - source_labels: [__param_target]
            target_label: instance
          - target_label: __address__
            replacement: "10.1xx.1.2xx:9121"
        
      # config for scraping the exporter itself
        
      - job_name: 'redis_exporter'
        static_configs:
          - targets:
            - "10.19.1.2xx:9121"
    ```

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__elements": {},
  "__requires": [
    {
      "type": "panel",
      "id": "bargauge",
      "name": "Bar gauge",
      "version": ""
    },
    {
      "type": "panel",
      "id": "gauge",
      "name": "Gauge",
      "version": ""
    },
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "9.4.3"
    },
    {
      "type": "panel",
      "id": "graph",
      "name": "Graph (old)",
      "version": ""
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "stat",
      "name": "Stat",
      "version": ""
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "datasource",
          "uid": "grafana"
        },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "id": null,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "semi-dark-green",
                "value": null
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 0,
        "y": 0
      },
      "id": 2,
      "options": {
        "colorMode": "background",
        "graphMode": "area",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "auto"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "increase(redis_commands_processed_total{instance=\"$instance\"}[3m])/180",
          "format": "table",
          "instant": false,
          "interval": "",
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "Ops/sec[3m]",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "binBps"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 6,
        "w": 8,
        "x": 3,
        "y": 0
      },
      "id": 6,
      "options": {
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showThresholdLabels": false,
        "showThresholdMarkers": true,
        "text": {}
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "rate(redis_net_input_bytes_total{instance=\"$instance\"}[5m])",
          "interval": "",
          "legendFormat": "Input",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "rate(redis_net_output_bytes_total{instance=\"$instance\"}[5m])",
          "hide": false,
          "interval": "",
          "legendFormat": "Output",
          "refId": "B"
        }
      ],
      "title": "Network",
      "type": "gauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "max": 100000000,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "bytes"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 6,
        "w": 9,
        "x": 11,
        "y": 0
      },
      "id": 9,
      "options": {
        "displayMode": "lcd",
        "minVizHeight": 10,
        "minVizWidth": 0,
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true,
        "text": {}
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_bytes{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "Used Memory ",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_peak_bytes{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Used Memory Peak",
          "refId": "B"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_lua_bytes{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Used Memory Lua",
          "refId": "C"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_dataset_bytes{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Used Memory Dataset",
          "refId": "D"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_overhead_bytes{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Used Memory Overhead",
          "refId": "E"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_memory_used_rss_bytes{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Used Memory Rss",
          "refId": "F"
        }
      ],
      "title": "Memory",
      "type": "bargauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              }
            ]
          },
          "unit": "s"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 20,
        "y": 0
      },
      "id": 11,
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "auto"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_uptime_in_seconds{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "UpTime",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 22,
        "y": 0
      },
      "id": 16,
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "name"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_instance_info{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "{{role}}",
          "refId": "A"
        }
      ],
      "title": "Role",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 0,
        "y": 3
      },
      "id": 3,
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "auto"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_connected_clients{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "connected clients",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 20,
        "y": 3
      },
      "id": 12,
      "options": {
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "name"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_instance_info{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "{{redis_version}}",
          "refId": "A"
        }
      ],
      "title": "Redis Version",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [
            {
              "options": {
                "0": {
                  "index": 0,
                  "text": "Stopped"
                },
                "1": {
                  "index": 1,
                  "text": "Running"
                }
              },
              "type": "value"
            }
          ],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 2,
        "x": 22,
        "y": 3
      },
      "id": 15,
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "value"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_up{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "State",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 3,
        "x": 0,
        "y": 6
      },
      "id": 4,
      "options": {
        "colorMode": "background",
        "graphMode": "none",
        "justifyMode": "center",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "text": {},
        "textMode": "auto"
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "sum(redis_db_keys{instance=\"$instance\"})",
          "interval": "",
          "legendFormat": "",
          "refId": "A"
        }
      ],
      "title": "Number of keys",
      "transformations": [
        {
          "id": "seriesToColumns",
          "options": {}
        }
      ],
      "type": "stat"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "none"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 8,
        "x": 3,
        "y": 6
      },
      "id": 7,
      "options": {
        "displayMode": "lcd",
        "minVizHeight": 10,
        "minVizWidth": 0,
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true,
        "text": {}
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "rate(redis_expired_keys_total{instance=\"$instance\"}[3m])",
          "interval": "",
          "legendFormat": "expired keys",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "rate(redis_evicted_keys_total{instance=\"$instance\"}[3m])",
          "hide": false,
          "interval": "",
          "legendFormat": "evicted keys",
          "refId": "B"
        }
      ],
      "title": "keys",
      "type": "bargauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 3,
        "w": 9,
        "x": 11,
        "y": 6
      },
      "id": 10,
      "options": {
        "displayMode": "lcd",
        "minVizHeight": 10,
        "minVizWidth": 0,
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showUnfilled": true,
        "text": {}
      },
      "pluginVersion": "9.4.3",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_keyspace_hits_total{instance=\"$instance\"}",
          "interval": "",
          "legendFormat": "Hits",
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "exemplar": true,
          "expr": "redis_keyspace_misses_total{instance=\"$instance\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "Misses",
          "refId": "B"
        }
      ],
      "title": "keys",
      "type": "bargauge"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "blue",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
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