{"id":98522,"date":"2026-09-01T02:32:50","date_gmt":"2026-08-31T18:32:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/98522.html"},"modified":"2026-09-01T02:32:50","modified_gmt":"2026-08-31T18:32:50","slug":"%e5%a4%a7%e6%a8%a1%e5%9e%8b%e6%9c%8d%e5%8a%a1%e9%a6%96%e7%89%88%e7%9a%84%e5%bf%85%e8%a6%81%e8%be%b9%e7%95%8c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/98522.html","title":{"rendered":"\u5927\u6a21\u578b\u670d\u52a1\u9996\u7248\u7684\u5fc5\u8981\u8fb9\u754c"},"content":{"rendered":"

\u5927\u6a21\u578b\u670d\u52a1\u9996\u7248\u7684\u5fc5\u8981\u8fb9\u754c<\/h2>\n

\"\u5c01\u9762\u4fe1\u606f\u56fe\"<\/p>\n

\u7b2c\u4e00\u7248\u7684\u8fb9\u754c\u5e94\u4ece\u4e00\u4e2a\u5177\u4f53\u4e1a\u52a1\u4efb\u52a1\u548c\u53ef\u89c2\u6d4b\u6307\u6807\u51fa\u53d1；\u4e0b\u9762\u7684\u7ec4\u4ef6\u53ea\u662f\u53ef\u9009\u7ec4\u5408，\u4e0d\u662f\u6240\u6709\u56e2\u961f\u90fd\u5fc5\u987b\u91c7\u7528\u7684\u6807\u51c6\u7b54\u6848\u3002<\/p>\n

\u5728\u7814\u53d1\u56e2\u961f\u9996\u6b21\u542f\u52a8\u5927\u6a21\u578b（LLM）\u5e94\u7528\u540e\u7aef\u5e95\u5ea7\u9879\u76ee\u65f6，\u975e\u5e38\u5bb9\u6613\u8d70\u5165\u201c\u8fc7\u5ea6\u8bbe\u8ba1（Over-Engineering）\u201d\u7684\u8bef\u533a\u3002<\/p>\n

\u6709\u4e9b\u56e2\u961f\u9879\u76ee\u8fd8\u6ca1\u4e0a\u7ebf，\u5c31\u6025\u7740\u642d\u5efa\u6781\u5176\u590d\u6742\u7684\u5206\u5e03\u5f0f\u5411\u91cf\u6570\u636e\u5e93\u96c6\u7fa4（Vector DB Cluster）\u3001\u89c4\u5212\u51e0\u5341\u79cd Agent \u81ea\u52a8\u8def\u7531\u7b97\u6cd5\u3001\u5f15\u5165\u91cd\u578b\u5fae\u670d\u52a1\u6846\u67b6\u548c\u590d\u6742\u7684\u5f02\u6784\u6d41\u5f0f\u56fe\u8ba1\u7b97\u5f15\u64ce\u3002\u7136\u800c，\u5386\u7ecf\u4e09\u4e2a\u6708\u7814\u53d1\u4e0a\u7ebf\u540e，\u5374\u53d1\u73b0\u7cfb\u7edf\u6bcf\u65e5\u8c03\u7528\u91cf\u4e0d\u8fc7\u6570\u5343\u6b21，\u800c\u590d\u6742\u7684\u5206\u5e03\u5f0f\u67b6\u6784\u4e0d\u4ec5\u5bfc\u81f4\u90e8\u7f72\u8fd0\u7ef4\u75db\u82e6\u4e0d\u582a，\u8fd8\u8ba9\u6392\u67e5\u957f\u5c3e\u5ef6\u8fdf\u95ee\u9898\u53d8\u5f97\u6781\u5176\u56f0\u96be\u3002<\/p>\n

\u7b2c\u4e00\u7248\u5927\u6a21\u578b\u5e94\u7528\u540e\u7aef\u5e95\u5ea7，\u6838\u5fc3\u76ee\u6807\u53ea\u6709\u4e24\u4e2a：\u6781\u9ad8\u7684\u786e\u5b9a\u6027 \u4e0e \u6781\u81f4\u7684\u8f7b\u91cf\u4f4e\u5ef6\u8fdf\u3002<\/p>\n

\u5728\u7b2c\u4e00\u7248\u67b6\u6784\u4e2d，\u6211\u4eec\u4e0d\u9700\u8981\u5305\u63fd\u5168\u5b87\u5b99\u7684\u529f\u80fd，\u800c\u662f\u8981\u4ee5\u6700\u7b80\u7ea6\u7684\u4ee3\u7801\u7ed3\u6784，\u89e3\u51b3\u597d\u5927\u6a21\u578b\u4ea4\u4e92\u4e2d\u6700\u57fa\u7840\u4e5f\u6700\u5173\u952e\u7684\u6838\u5fc3\u94fe\u8def：\u6d41\u5f0f\u63a8\u9001（SSE）\u3001\u5e76\u53d1\u524a\u5cf0\u4e0e Token \u8ba1\u8d39\u3001\u4ee5\u53ca\u8f7b\u91cf\u7ea7\u4e0a\u4e0b\u6587\u68c0\u7d22\u3002<\/p>\n

\u628a\u7b2c\u4e00\u7248\u7684\u8fb9\u754c\u6536\u62e2\u5f97\u8d8a\u6e05\u6670，\u67b6\u6784\u540e\u671f\u7684\u53ef\u6269\u5c55\u6027\u53cd\u800c\u8d8a\u597d\u3002<\/p>\n

\u6d41\u5f0f SSE \u4f20\u8f93\u4e0e\u5ba2\u6237\u7aef\u8fde\u63a5\u7ba1\u7406\u7684\u7b80\u5316\u5b9e\u73b0<\/h3>\n

\u5927\u6a21\u578b\u54cd\u5e94\u4e0e\u4f20\u7edf RESTful API \u7684\u6700\u5927\u533a\u522b\u5728\u4e8e \u6d41\u5f0f\u4f20\u8f93（Streaming）\u3002\u4e3a\u4e86\u8ba9\u524d\u7aef\u7528\u6237\u83b7\u5f97\u6253\u5b57\u673a\u5f0f\u7684\u5373\u65f6\u53cd\u9988，\u540e\u7aef\u5fc5\u987b\u91c7\u7528 Server-Sent Events（SSE）\u6216\u8005 WebSocket \u534f\u8bae\u3002<\/p>\n

\u5728\u7b2c\u4e00\u7248\u5b9e\u65bd\u4e2d，\u4f18\u5148\u63a8\u8350\u4f7f\u7528 SSE \u800c\u975e WebSocket\u3002<\/p>\n

\u56e0\u4e3a SSE \u662f\u57fa\u4e8e\u6807\u51c6 HTTP \u534f\u8bae\u5355\u5411\u6587\u672c\u6d41，\u5929\u751f\u517c\u5bb9 HTTP\/2\u3001\u7f51\u5173\u5c42\u8d1f\u8f7d\u5747\u8861\u548c\u6d4f\u89c8\u5668\u7aef\u539f\u751f EventSource API\u3002\u5b83\u7684\u590d\u6742\u5ea6\u8fdc\u4f4e\u4e8e\u9700\u8981\u7ef4\u6301\u53cc\u5411\u5fc3\u8df3\u4e0e\u91cd\u8fde\u534f\u8bae\u7684 WebSocket\u3002<\/p>\n

\u7136\u800c，\u5728\u5904\u7406 SSE \u957f\u8fde\u63a5\u65f6，\u6700\u5fcc\u8bb3\u7684\u662f\u5728\u540e\u7aef\u4e3a\u6bcf\u4e00\u4e2a\u957f\u8fde\u63a5\u5f00\u4e00\u4e2a\u6c38\u4e45\u963b\u585e\u7ebf\u7a0b\u3002\u5728 Java Spring \u4f53\u7cfb\u4e2d，\u5e94\u8be5\u4f7f\u7528 SseEmitter \u7ed3\u5408 Reactive \u5f02\u6b65\u6a21\u578b；\u5728 Go \u8bed\u8a00\u4e2d，\u5219\u53ef\u4ee5\u901a\u8fc7 http.Flusher \u5b9e\u73b0\u9ad8\u6548\u7684\u975e\u963b\u585e\u63a8\u6d41\u3002<\/p>\n

\u57fa\u4e8e Go \u8bed\u8a00\u5b9e\u73b0\u7684 MVP \u7ea7\u522b SSE \u6d41\u5f0f\u63a8\u9001\u4e0e\u8fde\u63a5\u4f18\u96c5\u5207\u65ad\u793a\u4f8b\u4ee3\u7801：<\/p>\n

package main<\/p>\n

import (
\n"context"
\n"fmt"
\n"io"
\n"net\/http"
\n"time"
\n)<\/p>\n

\/\/ StreamHandler \u5904\u7406\u5927\u6a21\u578b SSE \u6d41\u5f0f\u8f93\u51fa\u4e0e\u5ba2\u6237\u7aef\u4e3b\u52a8\u65ad\u5f00
\nfunc StreamHandler(w http.ResponseWriter, r *http.Request) {
\n\/\/ 1. \u8bbe\u7f6e SSE \u54cd\u5e94 Header
\nw.Header().Set("Content-Type", "text\/event-stream")
\nw.Header().Set("Cache-Control", "no-cache")
\nw.Header().Set("Connection", "keep-alive")
\nw.Header().Set("Access-Control-Allow-Origin", "*")<\/p>\n

flusher, ok := w.(http.Flusher)
\nif !ok {
\nhttp.Error(w, "Streaming unsupported!", http.StatusInternalServerError)
\nreturn
\n}<\/p>\n

ctx := r.Context()<\/p>\n

\/\/ 2. \u6a21\u62df\u4ece\u5927\u6a21\u578b\u63a8\u7406 API \u8bfb\u53d6\u6d41\u5f0f Chunk
\nchunkChan := mockLLMStreamInference(ctx)<\/p>\n

for {
\nselect {
\ncase <-ctx.Done():
\n\/\/ \u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5（\u5982\u5173\u6389\u7f51\u9875），\u7acb\u523b\u53d6\u6d88\u4e0a\u6e38 LLM \u8bf7\u6c42，\u9632\u6b62\u6d6a\u8d39 Token
\nfmt.Println("\u5ba2\u6237\u7aef\u4e3b\u52a8\u65ad\u5f00 SSE \u8fde\u63a5，\u91ca\u653e\u4e0a\u6e38\u7b97\u529b\u8d44\u6e90")
\nreturn
\ncase chunk, ok := <-chunkChan:
\nif !ok {
\n\/\/ \u6d41\u5f0f\u63a8\u9001\u7ed3\u675f\u6807\u8bb0
\nfmt.Fprintf(w, "event: close\\\\ndata: [DONE]\\\\n\\\\n")
\nflusher.Flush()
\nreturn
\n}<\/p>\n

\/\/ 3. \u5411\u5ba2\u6237\u7aef\u63a8\u9001\u5355\u4e2a SSE \u6570\u636e\u5757
\nfmt.Fprintf(w, "data: %s\\\\n\\\\n", chunk)
\nflusher.Flush() \/\/ \u5f3a\u5236\u5237\u65b0\u7f13\u51b2\u533a，\u786e\u4fdd\u5b9e\u65f6\u6027
\n}
\n}
\n}<\/p>\n

\/\/ \u6a21\u62df\u6d41\u5f0f\u63a8\u7406\u7ba1\u9053
\nfunc mockLLMStreamInference(ctx context.Context) <-chan string {
\nout := make(chan string)
\ngo func() {
\ndefer close(out)
\ntokens := []string{"\u67b6\u6784", "\u8bbe\u8ba1\u7684", "\u672c\u8d28", "\u5728\u4e8e", "\u5728\u6b63\u786e", "\u7684\u65f6\u95f4", "\u505a\u5173\u952e", "\u7684\u53d6\u820d\u3002"}
\nfor _, t := range tokens {
\nselect {
\ncase <-ctx.Done():
\nreturn
\ncase <-time.After(150 * time.Millisecond):
\nout <- t
\n}
\n}
\n}()
\nreturn out
\n}<\/p>\n

\u8bf7\u6c42\u961f\u5217\u3001Token \u8ba1\u8d39\u4e0e\u5e76\u53d1\u9650\u5236\u7684\u6700\u5c0f\u95ed\u73af<\/h3>\n

\u7b2c\u4e00\u7248\u5e95\u5ea7\u5343\u4e07\u4e0d\u8981\u76f4\u63a5\u628a\u524d\u7aef\u8bf7\u6c42\u65e0\u8111\u900f\u4f20\u7ed9\u4e0a\u6e38\u5927\u6a21\u578b\u3002\u5927\u6a21\u578b API \u901a\u5e38\u6709\u4e25\u683c\u7684 RPM（Request Per Minute） \u548c TPM（Token Per Minute） \u9650\u5236\u3002<\/p>\n

\u5982\u679c\u7b2c\u4e00\u7248\u4e0d\u505a\u5e76\u53d1\u961f\u5217\u63a7\u5236，\u4e00\u65e6\u7a81\u53d1\u6d41\u91cf\u6253\u8fdb\u6765，\u4e0a\u6e38 API \u4f1a\u7acb\u523b\u8fd4\u56de 429 Too Many Requests，\u524d\u7aef\u7528\u6237\u4f1a\u5927\u9762\u79ef\u62a5\u9519\u3002<\/p>\n

\u7b2c\u4e00\u7248\u5fc5\u987b\u5305\u542b\u7684\u201c\u6700\u5c0f\u95ed\u73af\u201d\u9632\u7ebf：<\/p>\n

  • \u5185\u5b58\u4fe1\u53f7\u91cf\/\u5e76\u53d1\u961f\u5217（Semaphore Rate Limiter）：\u5728\u540e\u7aef\u9650\u5236\u6700\u5927\u5e76\u53d1\u63a8\u7406\u6570（\u5982\u6700\u591a\u540c\u65f6\u5904\u7406 20 \u4e2a LLM \u6d41\u5f0f\u8bf7\u6c42），\u8d85\u51fa\u90e8\u5206\u5728\u5185\u5b58\u961f\u5217\u4e2d\u6392\u961f\u6216\u4f18\u96c5\u63d0\u793a\u201c\u7cfb\u7edf\u7e41\u5fd9\u201d\u3002<\/li>\n
  • \u540e\u7f6e\u5f02\u6b65 Token \u8ba1\u8d39：\u4e0d\u9700\u8981\u5f15\u5165\u590d\u6742\u7684\u5b9e\u65f6\u6263\u8d39\u5206\u5e03\u5f0f\u4e8b\u52a1\u3002\u5728 SSE \u4f20\u8f93\u7ed3\u675f（[DONE]）\u65f6，\u89e3\u6790\u4e0a\u6e38\u8fd4\u56de\u7684 usage.total_tokens，\u5c06\u8ba1\u8d39\u6570\u636e\u5f02\u6b65\u63a8\u9001\u5230 MQ \u6216 Redis \u5ef6\u8fdf\u961f\u5217\u843d\u76d8\u3002<\/li>\n

    \u5173\u952e\u53d6\u820d：\u4ec0\u4e48\u65f6\u5019\u8be5\u4e0a\u5411\u91cf\u6570\u636e\u5e93，\u4ec0\u4e48\u65f6\u5019\u5185\u5b58\u68c0\u7d22\u5c31\u591f\u4e86<\/h3>\n

    \u5728\u642d\u5efa RAG（\u68c0\u7d22\u589e\u5f3a\u751f\u6210）\u77e5\u8bc6\u5e93\u80fd\u529b\u65f6，\u5f88\u591a\u56e2\u961f\u7b2c\u4e00\u5929\u5c31\u53bb\u90e8\u7f72 Milvus\u3001Qdrant \u7b49\u91cd\u578b\u5411\u91cf\u6570\u636e\u5e93\u3002<\/p>\n

    \u5176\u5b9e\u5728\u7b2c\u4e00\u7248（MVP \u9636\u6bb5），\u5982\u679c\u4f60\u7684\u77e5\u8bc6\u5e93\u6587\u6863\u6570\u91cf\u5728\u4e07\u7ea7\u4ee5\u4e0b（\u4f8b\u5982\u51e0\u5341\u672c PDF \u89c4\u5219\u8bf4\u660e\u4e66，\u6216\u8005\u51e0\u5343\u6761\u5e38\u89c1\u95ee\u9898 FAQ），\u5f15\u5165\u4e13\u95e8\u7684\u5411\u91cf\u6570\u636e\u5e93\u662f\u5178\u578b\u7684\u8fc7\u5ea6\u8bbe\u8ba1\u3002<\/p>\n

    \u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5173\u952e\u5de5\u7a0b\u53d6\u820d：<\/p>\n\n\u7ef4\u5ea6\u7b2c\u4e00\u7248 MVP \u7b80\u5316\u65b9\u6848\u6f14\u8fdb\u7248 \u751f\u4ea7\u7ea7\u65b9\u6848<\/tr>\n\n\n\n\n\n\n
    \u9002\u7528\u6570\u636e\u91cf<\/td>\n< 50,000 \u4e2a\u5411\u91cf Chunk<\/td>\n> 1,000,000 \u4e2a\u5411\u91cf Chunk<\/td>\n<\/tr>\n
    \u6280\u672f\u9009\u578b<\/td>\nRedis Vector Search \/ \u5185\u5b58 HNSW \u7d22\u5f15（\u5982 Go\/Java \u539f\u751f\u5185\u5b58\u5e93）<\/td>\n\u72ec\u7acb\u5411\u91cf\u6570\u636e\u5e93（Milvus \/ Qdrant \/ Pgvector）<\/td>\n<\/tr>\n
    \u8fd0\u7ef4\u6210\u672c<\/td>\n\u96f6\u989d\u5916\u8fd0\u7ef4（\u590d\u7528\u5df2\u6709\u7684 Redis \u8282\u70b9）<\/td>\n\u9700\u7ef4\u62a4\u4e13\u95e8\u7684\u5411\u91cf\u96c6\u7fa4\u3001\u5173\u6ce8\u5206\u7247\u4e0e HNSW \u7d22\u5f15\u6784\u5efa<\/td>\n<\/tr>\n
    \u5ef6\u8fdf\u8868\u73b0<\/td>\n< 10ms（\u7eaf\u5185\u5b58\u68c0\u7d22，\u6027\u80fd\u6781\u9ad8）<\/td>\n20ms ~ 100ms（\u4f9d\u8d56\u7f51\u7edc RPC \u4e0e\u5206\u5e03\u5f0f\u68c0\u7d22）<\/td>\n<\/tr>\n
    \u6570\u636e\u6301\u4e45\u5316<\/td>\n\u501f\u52a9 Redis RDB\/AOF \u7b80\u6613\u6301\u4e45\u5316<\/td>\n\u5177\u5907\u9ad8\u53ef\u7528 Raft \u526f\u672c\u4e0e WAL \u65e5\u5fd7\u673a\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5728\u7b2c\u4e00\u7248\u4e2d，\u76f4\u63a5\u5229\u7528\u5df2\u6709\u7684 Redis 7.0+ \u5411\u91cf\u68c0\u7d22\u529f\u80fd（Redis Search Module），\u6216\u8005\u5728 JVM \/ Go \u8fdb\u7a0b\u5185\u5b58\u4e2d\u52a0\u8f7d HNSW \u7d22\u5f15，\u4e0d\u4ec5\u80fd\u5c06\u7814\u53d1\u5468\u671f\u7f29\u77ed\u4e00\u534a\u4ee5\u4e0a，\u8fd8\u80fd\u83b7\u5f97\u6781\u5176\u5f3a\u608d\u7684\u6beb\u79d2\u7ea7\u68c0\u7d22\u6027\u80fd\u3002<\/p>\n

    \u628a\u7b2c\u4e00\u7248\u7684\u67b6\u6784\u505a\u8584，\u628a\u57fa\u7840\u7684 SSE \u63a8\u9001\u63a7\u5236\u597d，\u628a\u5e76\u53d1\u4e0a\u9650\u5361\u6b7b，\u628a\u77e5\u8bc6\u5e93\u68c0\u7d22\u63a7\u5236\u5728\u8f7b\u91cf\u5185\u5b58\u7ea7\u3002\u5f85\u4e1a\u52a1\u771f\u5b9e\u6d41\u91cf\u589e\u957f\u8d77\u6765\u4e4b\u540e，\u518d\u5c06\u5404\u4e2a\u7ec4\u4ef6\u5e73\u6ed1\u66ff\u6362\u4e3a\u5fae\u670d\u52a1\u4e0e\u5206\u5e03\u5f0f\u7ec4\u4ef6，\u8fd9\u624d\u662f\u73b0\u4ee3\u5316\u540e\u7aef\u67b6\u6784\u6f14\u8fdb\u7684\u6b63\u786e\u8282\u594f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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