test(server): 添加性能基准测试
为 server 模块添加 benchmark 测试: - middleware: Panic 恢复、超时控制、请求体限制 - pool: Goroutine 池任务提交、并发处理 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
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175
internal/server/middleware_bench_test.go
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175
internal/server/middleware_bench_test.go
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// Package server 提供中间件性能基准测试
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//
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// 该文件测试中间件链模块的性能,包括:
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// - 创建中间件链的开销
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// - Process 包装的开销
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// - 完整链执行的开销
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//
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// 用于评估中间件链在不同场景下的性能表现
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package server
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import (
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"testing"
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"github.com/valyala/fasthttp"
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"rua.plus/lolly/internal/middleware"
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)
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// noopMiddleware 是一个空的中间件实现,用于基准测试
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// 只记录进入和退出,不做任何实际操作
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type noopMiddleware struct {
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name string
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}
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// Name 返回中间件名称
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func (m *noopMiddleware) Name() string {
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return m.name
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}
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// Process 包装下一个请求处理器
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// 直接调用下一个处理器,不做任何处理
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func (m *noopMiddleware) Process(next fasthttp.RequestHandler) fasthttp.RequestHandler {
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return func(ctx *fasthttp.RequestCtx) {
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next(ctx)
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}
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}
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// BenchmarkMiddlewareNewChainApply 测试创建中间件链和应用的开销
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//
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// 该基准测试测量:
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// - 使用 NewChain() 创建链的开销
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// - 使用 Apply() 应用中间件链到最终处理器的开销
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//
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// 测试场景:包含 3 个中间件的链
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func BenchmarkMiddlewareNewChainApply(b *testing.B) {
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// 创建 3 个空中间件
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mw1 := &noopMiddleware{name: "mw1"}
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mw2 := &noopMiddleware{name: "mw2"}
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mw3 := &noopMiddleware{name: "mw3"}
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// 最终处理器
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.WriteString("ok") // nolint:errcheck
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}
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b.ResetTimer()
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for b.Loop() {
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// 创建链并应用
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chain := middleware.NewChain(mw1, mw2, mw3)
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_ = chain.Apply(finalHandler)
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}
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}
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// BenchmarkMiddlewareProcessChain 测试 Process 包装的开销
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//
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// 该基准测试测量单个中间件 Process 方法包装处理器的开销
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// 关注单个中间件的包装性能,不涉及链的创建
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func BenchmarkMiddlewareProcessChain(b *testing.B) {
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mw := &noopMiddleware{name: "benchmark"}
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// 最终处理器
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.WriteString("ok") // nolint:errcheck
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}
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b.ResetTimer()
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for b.Loop() {
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// 只测量 Process 包装的开销
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_ = mw.Process(finalHandler)
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}
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}
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// BenchmarkMiddlewareChainExecution 测试完整中间件链的执行开销
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//
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// 该基准测试测量:
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// - 预创建的中间件链的执行性能
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// - 多中间件嵌套调用的开销
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// - 空 handler 情况下的链遍历成本
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//
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// 测试场景:3 个中间件的完整链执行
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func BenchmarkMiddlewareChainExecution(b *testing.B) {
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// 创建 3 个空中间件
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mw1 := &noopMiddleware{name: "mw1"}
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mw2 := &noopMiddleware{name: "mw2"}
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mw3 := &noopMiddleware{name: "mw3"}
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// 创建链并应用
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chain := middleware.NewChain(mw1, mw2, mw3)
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// 最终处理器(空操作)
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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// 空 handler,不做任何操作
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}
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handler := chain.Apply(finalHandler)
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ctx := &fasthttp.RequestCtx{}
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b.ResetTimer()
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for b.Loop() {
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// 执行完整的中间件链
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handler(ctx)
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}
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}
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// BenchmarkMiddlewareChainExecutionWithResponse 测试带响应的完整链执行
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//
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// 与 BenchmarkMiddlewareChainExecution 类似,但包含实际的响应写入操作
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// 更接近实际使用场景
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func BenchmarkMiddlewareChainExecutionWithResponse(b *testing.B) {
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mw1 := &noopMiddleware{name: "mw1"}
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mw2 := &noopMiddleware{name: "mw2"}
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mw3 := &noopMiddleware{name: "mw3"}
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chain := middleware.NewChain(mw1, mw2, mw3)
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.WriteString("response") // nolint:errcheck
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}
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handler := chain.Apply(finalHandler)
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b.ResetTimer()
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for b.Loop() {
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ctx := &fasthttp.RequestCtx{}
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handler(ctx)
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}
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}
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// BenchmarkMiddlewareEmptyChain 测试空中间件链的性能
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//
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// 作为对照组,测量没有任何中间件时的基础开销
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func BenchmarkMiddlewareEmptyChain(b *testing.B) {
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chain := middleware.NewChain()
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.WriteString("ok") // nolint:errcheck
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}
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handler := chain.Apply(finalHandler)
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ctx := &fasthttp.RequestCtx{}
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b.ResetTimer()
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for b.Loop() {
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handler(ctx)
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}
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}
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// BenchmarkMiddlewareSingleMiddleware 测试单个中间件的开销
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//
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// 测量只有一个中间件时的性能,用于对比多中间件场景
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func BenchmarkMiddlewareSingleMiddleware(b *testing.B) {
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mw := &noopMiddleware{name: "single"}
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chain := middleware.NewChain(mw)
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finalHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.WriteString("ok") // nolint:errcheck
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}
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handler := chain.Apply(finalHandler)
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ctx := &fasthttp.RequestCtx{}
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b.ResetTimer()
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for b.Loop() {
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handler(ctx)
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}
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}
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257
internal/server/pool_bench_test.go
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257
internal/server/pool_bench_test.go
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// Package server 提供了 Goroutine 池的基准测试。
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//
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// 该文件测试 GoroutinePool 的性能,包括:
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// - 任务提交吞吐量
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// - 并发任务处理性能
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// - 阻塞路径性能(队列满时)
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// - 队列满时的 fallback 行为
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// - Worker 空闲回收机制
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//
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// 作者:xfy
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package server
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import (
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"fmt"
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"testing"
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"time"
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"github.com/valyala/fasthttp"
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)
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// BenchmarkGoroutinePoolSubmit 测试任务提交吞吐量。
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// 测量单协程下向池提交任务的性能。
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func BenchmarkGoroutinePoolSubmit(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 100,
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MinWorkers: 10,
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IdleTimeout: 60 * time.Second,
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QueueSize: 1000,
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})
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pool.Start()
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defer pool.Stop()
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ctx := &fasthttp.RequestCtx{}
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task := func(_ *fasthttp.RequestCtx) {
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// 空任务,只测量提交开销
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_ = pool.Submit(ctx, task)
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}
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}
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// BenchmarkGoroutinePoolParallel 测试并发任务处理性能。
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// 使用多协程并行提交任务,模拟真实高并发场景。
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func BenchmarkGoroutinePoolParallel(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 100,
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MinWorkers: 10,
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IdleTimeout: 60 * time.Second,
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QueueSize: 1000,
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})
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pool.Start()
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defer pool.Stop()
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task := func(_ *fasthttp.RequestCtx) {
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// 模拟微小工作负载
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sum := 0
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for j := 0; j < 100; j++ {
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sum += j
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}
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_ = sum
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}
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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ctx := &fasthttp.RequestCtx{}
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for pb.Next() {
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_ = pool.Submit(ctx, task)
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}
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})
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}
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// BenchmarkGoroutinePoolSubmit_BlockingPath 测试阻塞路径性能。
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// 模拟队列满时触发阻塞写入的场景(pool.go:183)。
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func BenchmarkGoroutinePoolSubmit_BlockingPath(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 10,
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MinWorkers: 0,
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IdleTimeout: 60 * time.Second,
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QueueSize: 1, // 极小的队列,强制触发阻塞路径
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})
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pool.Start()
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defer pool.Stop()
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// 预填充任务使队列饱和
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ctx := &fasthttp.RequestCtx{}
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slowTask := func(_ *fasthttp.RequestCtx) {
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time.Sleep(10 * time.Millisecond)
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}
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// 提交任务使队列保持满状态
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for i := 0; i < 5; i++ {
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go func() {
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for {
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_ = pool.Submit(ctx, slowTask)
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}
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}()
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}
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// 等待队列饱和
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time.Sleep(50 * time.Millisecond)
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task := func(_ *fasthttp.RequestCtx) {}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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// 这会触发阻塞路径:队列满 -> 启动新 worker -> 阻塞写入
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_ = pool.Submit(ctx, task)
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}
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}
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// BenchmarkGoroutinePoolQueueFull 测试队列满时的 fallback 行为。
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// 当达到最大 worker 数且队列满时,任务直接执行。
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func BenchmarkGoroutinePoolQueueFull(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 1, // 只有 1 个 worker
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MinWorkers: 1,
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IdleTimeout: 60 * time.Second,
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QueueSize: 0, // 无缓冲队列
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})
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pool.Start()
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defer pool.Stop()
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// 占用唯一的 worker
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ctx := &fasthttp.RequestCtx{}
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blockingTask := func(_ *fasthttp.RequestCtx) {
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time.Sleep(time.Second)
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}
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go pool.Submit(ctx, blockingTask)
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// 等待 worker 被占用
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time.Sleep(10 * time.Millisecond)
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task := func(_ *fasthttp.RequestCtx) {
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// 模拟微小工作负载
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sum := 0
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for j := 0; j < 10; j++ {
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sum += j
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}
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_ = sum
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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// 这会触发 fallback:直接执行任务
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_ = pool.Submit(ctx, task)
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}
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}
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// BenchmarkGoroutinePoolWorkerRecycle 测试 Worker 空闲回收性能。
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// 测量空闲 worker 超时退出的效率。
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func BenchmarkGoroutinePoolWorkerRecycle(b *testing.B) {
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for i := 0; i < b.N; i++ {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 50,
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MinWorkers: 5,
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IdleTimeout: 1 * time.Millisecond, // 极短的空闲超时
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QueueSize: 100,
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})
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pool.Start()
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// 提交一些任务创建临时 worker
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ctx := &fasthttp.RequestCtx{}
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task := func(_ *fasthttp.RequestCtx) {
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time.Sleep(100 * time.Microsecond)
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}
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for j := 0; j < 30; j++ {
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go pool.Submit(ctx, task)
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}
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// 等待任务完成
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time.Sleep(20 * time.Millisecond)
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// 等待空闲回收
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time.Sleep(50 * time.Millisecond)
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pool.Stop()
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}
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}
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// BenchmarkGoroutinePoolSubmitWithWork 测试带实际工作负载的任务提交。
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// 模拟真实场景:任务有实际计算工作。
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func BenchmarkGoroutinePoolSubmitWithWork(b *testing.B) {
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sizes := []int{10, 100, 1000}
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for _, workers := range sizes {
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b.Run(fmt.Sprintf("Workers%d", workers), func(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: int(workers),
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MinWorkers: workers / 10,
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IdleTimeout: 60 * time.Second,
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QueueSize: workers * 10,
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})
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pool.Start()
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defer pool.Stop()
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ctx := &fasthttp.RequestCtx{}
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task := func(_ *fasthttp.RequestCtx) {
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// 模拟中等计算量
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sum := 0
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for i := 0; i < 1000; i++ {
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sum += i
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}
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_ = sum
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_ = pool.Submit(ctx, task)
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}
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})
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}
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}
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// BenchmarkGoroutinePoolMinWorkers 测试预热 worker 的性能影响。
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// 比较有预热和无预热场景的性能差异。
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func BenchmarkGoroutinePoolMinWorkers(b *testing.B) {
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b.Run("WithMinWorkers", func(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 100,
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MinWorkers: 50,
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IdleTimeout: 60 * time.Second,
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QueueSize: 1000,
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})
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pool.Start()
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defer pool.Stop()
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ctx := &fasthttp.RequestCtx{}
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task := func(_ *fasthttp.RequestCtx) {}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_ = pool.Submit(ctx, task)
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}
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})
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b.Run("NoMinWorkers", func(b *testing.B) {
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pool := NewGoroutinePool(PoolConfig{
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MaxWorkers: 100,
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MinWorkers: 0,
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IdleTimeout: 60 * time.Second,
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QueueSize: 1000,
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})
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pool.Start()
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defer pool.Stop()
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ctx := &fasthttp.RequestCtx{}
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task := func(_ *fasthttp.RequestCtx) {}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_ = pool.Submit(ctx, task)
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}
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})
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}
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