Cached

Is an in-memory cache server with a simple text-based protocol.

Features

• TTL per key (based on BTree index)
• Dump and Restore from disk
• Thread-safety
• Commands:
  • set <key> <value> <ttl>
  • get <key>
  • del <key>
  • stats
  • quit

Why?

For fun and profit :-)

How to use

You need just start a server and connect to it from nc, like this:

nc 127.0.0.1 4000

Set value:

set mykey myvalue 300s
OK

Get value:

get mykey
myvalue

Delete value:

del mykey
OK

Show stats:

stats
Hit: 865, Miss: 24, Size: 853

ToDo

• Tests and benchmarks
• Metrics
• Dump and restore without reflection
• Build in GitHub Actions