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Version: Self Hosted Lite

Monitor Redis DB on Instances

Overview

Redis on instances is monitored using sfAgent configured with Redisdb plugin 

Metrics plugin

Collects metric data organized in following documentType under metrics index: 

  • keyspaceStat 
  • redisDetails
  • redisStat
  • redisPersistence

Logger plugin

collects general logs and slow logs. General logs are sent to log index whereas slow queries are sent to metrics index under documentType:redisSlowLogs

Pre-requisites 

Enable Slow Logs  

In redis.cnf file, uncomment and configure the variables shown below: 

slowlog-log-slower-than= 1
slowlog-max-len=100

Or, login to redis with root user and execute below commands 

config set slowlog-log-slower-than= 1;  
config set slowlog-max-len=100; 

Configuration 

Refer to sfAgent section for steps to install and automatically generate plugin configurations. User can also manually add the configuration shown below to config.yaml under /opt/sfagent/directory

metrics:
  plugins:
    - name: redisdb
  enabled: true
      interval: 60 
      config:
        documentsTypes:
          - keyspaceStat 
          - redisDetails 
          - redisPersistence
          - redisStat
          - slowLogs
        password: pass 
        port: 6379 
        user: admin 
logging:
  plugins:
    - name: redis-general 
      enabled: true 
      config:
         log_path: /var/log/redis/redis-server.log 

Viewing data and dashboards  

  • Data generated by plugin can be viewed in browse data page inside the respective application under plugin=redisdb  and documentType=serverDetails
  • Dashboard for this data can be instantiated by Importing dashboard template RedisDB to the application dashboard