redis使用prometheus监控实操

@TOC

redis-exporter部署手册

来源

https://github.com/oliver006/redis_exporter

说明

用于 Redis 指标的 Prometheus 导出器。
兼容 Redis 2.x、3.x、4.x、5.x 和 6.x

部署方式

docker部署

docker run -d --name redis_exporter -p 9121:9121 oliver006/redis_exporter

例如:

docker run -d --name redis_exporter -p 9111:9111 oliver006/redis_exporter --redis.addr redis://172.168.12.70:6379 --redis.password Iyunnan

如果您尝试访问在主机节点上运行的 Redis 实例,则需要添加--network host以便 redis_exporter 容器可以访问它:

docker run -d --name redis_exporter --network host oliver006/redis_exporter

二进制文件部署

下载地址:
https://github.com/oliver006/redis_exporter/releases/download/v1.24.0/redis_exporter-v1.24.0.linux-amd64.tar.gz
解压进入目录下执行./redis_exporter --help 可查看可用配置
部署例子:

nohup ./redis_exporter -redis.addr host:port -redis.password password  > redis_exporter.log &

自定义配置

可配置项如下:

Usage of ./redis_exporter:
  -check-key-groups string
        Comma separated list of lua regex for grouping keys
  -check-keys string
        Comma separated list of key-patterns to export value and length/size, se                                                                                                                                                             arched for with SCAN
  -check-keys-batch-size int
        Approximate number of keys to process in each execution, larger value sp                                                                                                                                                             eeds up scanning.
        WARNING: Still Redis is a single-threaded app, huge COUNT can affect pro                                                                                                                                                             duction environment. (default 1000)
  -check-single-keys string
        Comma separated list of single keys to export value and length/size
  -check-single-streams string
        Comma separated list of single streams to export info about streams, gro                                                                                                                                                             ups and consumers
  -check-streams string
        Comma separated list of stream-patterns to export info about streams, gr                                                                                                                                                             oups and consumers, searched for with SCAN
  -config-command string
        What to use for the CONFIG command (default "CONFIG")
  -connection-timeout string
        Timeout for connection to Redis instance (default "15s")
  -count-keys string
        Comma separated list of patterns to count (eg: 'db0=production_*,db3=ses                                                                                                                                                             sions:*'), searched for with SCAN
  -debug
        Output verbose debug information
  -export-client-list
        Whether to scrape Client List specific metrics
  -export-client-port
        Whether to include the client's port when exporting the client list. War                                                                                                                                                             ning: including the port increases the number of metrics generated and will make                                                                                                                                                              your Prometheus server take up more memory
  -include-system-metrics
        Whether to include system metrics like e.g. redis_total_system_memory_by                                                                                                                                                             tes
  -is-tile38
        Whether to scrape Tile38 specific metrics
  -log-format string
        Log format, valid options are txt and json (default "txt")
  -max-distinct-key-groups int
        The maximum number of distinct key groups with the most memory utilizati                                                                                                                                                             on to present as distinct metrics per database, the leftover key groups will be                                                                                                                                                              aggregated in the 'overflow' bucket (default 100)
  -namespace string
        Namespace for metrics (default "redis")
  -ping-on-connect
        Whether to ping the redis instance after connecting
  -redis-only-metrics
        Whether to also export go runtime metrics
  -redis.addr string
        Address of the Redis instance to scrape (default "redis://localhost:6379                                                                                                                                                             ")
  -redis.password string
        Password of the Redis instance to scrape
  -redis.password-file string
        Password file of the Redis instance to scrape
  -redis.user string
        User name to use for authentication (Redis ACL for Redis 6.0 and newer)
  -script string
        Path to Lua Redis script for collecting extra metrics
  -set-client-name
        Whether to set client name to redis_exporter (default true)
  -skip-tls-verification
        Whether to to skip TLS verification
  -tls-ca-cert-file string
        Name of the CA certificate file (including full path) if the server requ                                                                                                                                                             ires TLS client authentication
  -tls-client-cert-file string
        Name of the client certificate file (including full path) if the server                                                                                                                                                              requires TLS client authentication
  -tls-client-key-file string
        Name of the client key file (including full path) if the server requires                                                                                                                                                              TLS client authentication
  -tls-server-cert-file string
        Name of the server certificate file (including full path) if the web int                                                                                                                                                             erface and telemetry should use TLS
  -tls-server-key-file string
        Name of the server key file (including full path) if the web interface a                                                                                                                                                             nd telemetry should use TLS
  -version
        Show version information and exit
  -web.listen-address string
        Address to listen on for web interface and telemetry. (default ":9121")
  -web.telemetry-path string
        Path under which to expose metrics. (default "/metrics")
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