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Version: Cloud

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