nevakrien / realtimedb

trying my hand at extremly low latancy dbs

realtimeDB

trying my hand at extremly low latancy dbs for linux

zig test src/talk.zig --library c

protocol

all strings are send as a uint32 of length folowed by their charchters.

a comunication starts with the client sending a protocol code of 1 byte curently we have 0x00 : subscribe (network) 0x01 : publish (network)

subscribe connections can subscribe or unsubscribe by using: subscribe(0x00 + string) unsubscribe(0x00 + string)

benchmarking

benchmarking

10 pubs each 1000 messages to a 100 subs

redis

Average Latency: 0.3566 ms 90th Percentile Latency: 0.5180 ms 95th Percentile Latency: 0.5974 ms 99th Percentile Latency: 0.8230 ms 99.9th Percentile Latency: 1.6506 ms

keydb

Average Latency: 0.2676 ms 90th Percentile Latency: 0.4381 ms 95th Percentile Latency: 0.5215 ms 99th Percentile Latency: 0.7186 ms 99.9th Percentile Latency: 1.1327 ms

inspired?

https://stackoverflow.com/questions/26319304/redis-of-channels-degrading-latency-how-to-prevent-degradation