List of Redis Helpful Commands

Check the biggest key in redis. Helpful if there are memory issues.     

• redis-cli --bigkeys

Check if the API key exist:  

• keys apikey-{key ID}

Maxmemory

• Check the maxmemory current valueconfig

  • get maxmemory

• Check the maxmemory policy set (this will show the policy that sets the behavior for keys removal)config

  • get maxmemory-policy

Get the key using a string in the value. This command should be run in the terminal

• for k in $(redis-cli KEYS '*'); do echo $k \"$(redis-cli GET $k)\"; done | grep "{search string like alias or API ID in access_rights of the key}"

Change key expiration(useful when debugging expired keys)

•  GET apikey-{key ID}

• (copy the value of above command, change the values of \"expires\":1674030418, to a previous epoch timestamp

• SET apikey-{key ID} {insert the modified value above)

Delete all apikey-*

• for k in $(redis-cli KEYS 'apikey-*'); do echo $k \"$(redis-cli DEL key $k)\"; done 

Info

• To check the memory details like used_memory, maxmemory-policy. Helpful if to check which eviction policy are set

  • info memory

• To check the stats especially helpful if there are evicted keys and number of expired keys

  • info stats

• To check the details about the server, it will show the uptime in seconds and days

  • info server