Quotient

A massively scalable, fast, distributed quotient filter.

Status

• Quotient Filter implementation
• Web server
• Expiring keys
• RAFT distribution
• Docker image

APIs

Quotient has two simple APIs:

Set key

Example request:

curl -X POST http://localhost:9000/v1/insert \
  -d '{ "key": "b4912a59-b0ed-4f68-9042-0651c28c3e31" }'
  -H 'content-type: application/json'

Example response:

{
  "key": "b4912a59-b0ed-4f68-9042-0651c28c3e31",
  "status": "inserted"
}

Check if a key exists

Example request:

curl http://localhost:9000/v1/exists?key=b4912a59-b0ed-4f68-9042-0651c28c3e31

Example response:

{
  "key": "b4912a59-b0ed-4f68-9042-0651c28c3e31",
  "exists": true,
  "elapsed": 4167
}

Remove a key

Example request:

curl -X POST http://localhost:9000/v1/remove \
  -d '{ "key": "b4912a59-b0ed-4f68-9042-0651c28c3e31" }'
  -H 'content-type: application/json'

Example response:

{
  "key": "b4912a59-b0ed-4f68-9042-0651c28c3e31",
  "status": "removed"
}

Count the number of keys stored

Example request:

curl http://localhost:9000/v1/count

Example response:

{
  "count": 1
}

Why Golang

Even though I'm not a Googler (nor a researcher), I'm fairly young and I learned Python and JavaScript.

I'm not capable of understanding a brilliant language but I want to build good software. Golang is easy for me to understand and to adopt.

Thank you, Rob!