前言
Redis是一个开源的内存数据存储解决方案，它还支持磁盘持久性。Redis支持多种数据结构，例如字符串、哈希表、列表、集合和有序集合等。本文分享如何利用prometheus+grafana监控redis-server状态。
初始化
新服务需要一些基本的设置和优化，安装docker和docker-compose。
参考： docker和docker-compose一键安装脚本
prometheus配置
修改prometheus的配置文件，加入redis节点
scrape_configs:
## config for the multiple Redis targets that the exporter will scrape
- job_name: 'redis_exporter_targets'
static_configs:
- targets:
- redis://172.17.0.10:6379
metrics_path: /scrape
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: 172.17.16.10:9121
## config for scraping the exporter itself
#- job_name: 'redis_exporter'
# static_configs:
# - targets:
# - 172.17.16.10:9121docker配置
docker-compose.yml项目启动文件
version: "3.8"
networks:
net:
driver: bridge
services:
redis-exporter:
image: oliver006/redis_exporter
command:
- "--redis.addr=172.17.0.10:6379"
ports:
- "9121:9121"
prometheus:
image: prom/prometheus:latest
restart: always
user: "0"
ports:
- "9090:9090"
volumes:
- "/etc/localtime:/etc/localtime:ro"
- "/etc/timezone:/etc/timezone:ro"
- "./myapp/prometheus/:/prometheus"
command:
- "--storage.tsdb.retention.time=180d"
- "--config.file=/prometheus/prometheus.yml"
- "--web.enable-lifecycle"
networks:
- net
depends_on:
- redis-exporter
grafana:
image: grafana/grafana:latest
restart: always
user: "0"
ports:
- "3000:3000"
environment:
- "GF_SECURITY_ADMIN_PASSWORD=grafana@123"
- "GF_RENDERING_SERVER_URL=http://renderer:8081/render"
- "GF_RENDERING_CALLBACK_URL=http://grafana:3000/"
- "GF_LOG_FILTERS=rendering:debug"
volumes:
- /etc/localtime:/etc/localtime:ro
- /etc/timezone:/etc/timezone:ro
- ./data/grafana/:/var/lib/grafana
networks:
- net
depends_on:
- prometheus
- renderer
renderer:
image: grafana/grafana-image-renderer:latest
ports:
- "8081:8081"
environment:
- "ENABLE_METRICS=true"
- "RENDERING_MODE=clustered"
- "RENDERING_CLUSTERING_MODE=context"
- "RENDERING_CLUSTERING_MAX_CONCURRENCY=5"
networks:
- net启动
docker-compose up -dgrafana
数据可视化,默认账号密码:admin/grafana@123
添加数据源
添加promethous数据源，通过web界面添加。只修改url,其他参数默认即可。
导入redis模板
wget https://grafana.com/api/dashboards/763/revisions/1/download -O redis.json
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