servlet

package com.example.tracing;

import jakarta.servlet.Filter;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;

Propagate a Correlation ID Through Servlet Requests With MDC and a Feign Interceptor

java servlet filter

by codesnips 3 tabs

lua

-- KEYS[1] = bucket key
-- ARGV[1] = capacity, ARGV[2] = refill_rate (tokens/sec)
-- ARGV[3] = now_ms, ARGV[4] = requested tokens
local capacity    = tonumber(ARGV[1])
local refill_rate = tonumber(ARGV[2])
local now_ms      = tonumber(ARGV[3])

Token Bucket Rate Limiting in a Servlet Filter with Redis and Lua

rate-limiting token-bucket servlet

by codesnips 3 tabs