\u76ee\u5f55<\/p>\n
\u524d\u8a00<\/p>\n
\u4e00\u3001GMP \u8c03\u5ea6\u6df1\u5ea6\u539f\u7406（\u9ad8\u7ea7\u5fc5\u8003\u6e90\u7801\u7ea7）<\/p>\n
1. GMP \u5b8c\u6574\u8c03\u5ea6\u6d41\u7a0b\u3001\u62a2\u5360\u8c03\u5ea6\u3001\u7cfb\u7edf\u8c03\u7528\u963b\u585e\u5904\u7406<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. Go \u534f\u7a0b\u6cc4\u9732\u3001CPU \u98d9\u9ad8\u3001\u6b7b\u9501 \u7ebf\u4e0a\u6392\u67e5\u65b9\u6848<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4ee3\u7801\u793a\u4f8b（pprof \u63a5\u5165）<\/p>\n
\u4e8c\u3001Go \u5185\u5b58\u7ba1\u7406\u4e0e GC \u9ad8\u7ea7\u4f18\u5316<\/p>\n
1. Go \u5185\u5b58\u5206\u914d：mcache\u3001mcentral\u3001mheap \u4e09\u7ea7\u5206\u914d<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. \u4e09\u8272\u6807\u8bb0\u6cd5 + \u6df7\u5408\u5199\u5c4f\u969c \u539f\u7406<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
3. \u5185\u5b58\u6cc4\u6f0f\u3001\u5806\u5185\u5b58\u98d9\u5347 \u6392\u67e5\u4e0e\u4f18\u5316<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4e09\u3001\u5e76\u53d1\u7f16\u7a0b\u9ad8\u7ea7：\u9501\u4f18\u5316\u3001\u539f\u5b50\u64cd\u4f5c\u3001\u65e0\u9501\u7f16\u7a0b<\/p>\n
1. Mutex \u5e95\u5c42\u539f\u7406：\u81ea\u65cb\u3001\u9965\u997f\u6a21\u5f0f\u3001\u6b63\u5e38\u6a21\u5f0f<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. \u539f\u5b50\u64cd\u4f5c atomic \u4e0e\u9501\u7684\u6027\u80fd\u5bf9\u6bd4<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4ee3\u7801\u793a\u4f8b<\/p>\n
3. \u9ad8\u5e76\u53d1\u65e0\u9501\u8bbe\u8ba1：\u73af\u5f62\u961f\u5217\u3001DCL\u3001\u539f\u5b50\u503c<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u56db\u3001Channel \u5e95\u5c42\u539f\u7406\u4e0e\u9ad8\u7ea7\u5b9e\u8df5<\/p>\n
1. Channel \u5e95\u5c42\u6570\u636e\u7ed3\u6784\u3001\u6536\u53d1\u6d41\u7a0b\u3001\u963b\u585e\u5524\u9192<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. Channel \u9ad8\u7ea7\u6a21\u5f0f：\u6247\u5165\u3001\u6247\u51fa\u3001\u8d85\u65f6\u3001\u53d6\u6d88<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4e94\u3001Go \u63a5\u53e3\u3001\u53cd\u5c04\u3001\u6cdb\u578b \u9ad8\u7ea7\u539f\u7406<\/p>\n
1. \u63a5\u53e3\u5e95\u5c42\u7ed3\u6784：iface\u3001eface<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. \u53cd\u5c04 reflect \u6027\u80fd\u9677\u9631\u4e0e\u4f18\u5316<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
3. Go \u6cdb\u578b\u539f\u7406\u4e0e\u4f7f\u7528\u573a\u666f<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u516d\u3001Go \u9ad8\u6027\u80fd\u7f16\u7a0b\u4e0e unsafe \u5305<\/p>\n
1. unsafe \u5305\u539f\u7406\u3001\u4f7f\u7528\u573a\u666f\u3001\u98ce\u9669<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4ee3\u7801\u793a\u4f8b（unsafe \u9ad8\u6548\u8f6c\u6362）<\/p>\n
2. \u96f6\u62f7\u8d1d\u3001\u5185\u5b58\u590d\u7528\u3001sync.Pool \u6781\u81f4\u4f18\u5316<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4e03\u3001Go \u7f51\u7edc\u7f16\u7a0b\u9ad8\u7ea7<\/p>\n
1. Go \u7f51\u7edc\u6a21\u578b：netpoller\u3001IO \u591a\u8def\u590d\u7528<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. HTTP \u670d\u52a1\u9ad8\u6027\u80fd\u4f18\u5316：\u957f\u8fde\u63a5\u3001\u8d85\u65f6\u3001\u4f18\u96c5\u5173\u95ed<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u516b\u3001Go \u5fae\u670d\u52a1 & \u4e2d\u95f4\u4ef6\u9ad8\u7ea7<\/p>\n
1. Go \u5206\u5e03\u5f0f\u9501：Redis+Lua\u3001Redlock \u5b9e\u73b0<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4ee3\u7801\u793a\u4f8b（Lua \u89e3\u9501\u811a\u672c）<\/p>\n
2. Go \u670d\u52a1\u9650\u6d41：\u4ee4\u724c\u6876\u3001\u6f0f\u6876\u3001\u8ba1\u6570\u5668\u5b9e\u73b0<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u4e5d\u3001Go \u7f16\u8bd1\u3001\u6253\u5305\u3001\u6027\u80fd\u8c03\u4f18\u5de5\u5177<\/p>\n
1. \u7f16\u8bd1\u4f18\u5316：\u9003\u9038\u5206\u6790\u3001\u5185\u8054\u3001\u7f16\u8bd1\u53c2\u6570<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. pprof\u3001trace\u3001bench \u6027\u80fd\u5206\u6790\u5b9e\u6218<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u5341\u3001Go \u9ad8\u5e76\u53d1\u67b6\u6784\u8bbe\u8ba1<\/p>\n
1. \u9ad8\u5e76\u53d1\u6d88\u606f\u961f\u5217\u3001\u5f02\u6b65\u5904\u7406\u3001\u534f\u7a0b\u6c60\u8bbe\u8ba1<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
2. Go \u5fae\u670d\u52a1\u67b6\u6784：\u670d\u52a1\u53d1\u73b0\u3001\u914d\u7f6e\u4e2d\u5fc3\u3001\u7194\u65ad\u964d\u7ea7<\/p>\n
\u6807\u51c6\u7b54\u6848<\/p>\n
\u7ed3\u8bed<\/p>\n
\u5404\u4f4d CSDN \u7684 Go \u6280\u672f\u540c\u4ec1\u5927\u5bb6\u597d！\u672c\u6587\u4e13\u4e3aGo \u670d\u52a1\u5668\u9ad8\u7ea7\u5de5\u7a0b\u5e08\u3001\u67b6\u6784\u5e08\u50a8\u5907\u3001\u4e91\u539f\u751f\u9ad8\u5e76\u53d1\u540e\u7aef\u4e13\u5bb6\u6253\u9020\u9ad8\u9636\u9762\u8bd5\u9898\u5e93，\u9002\u914d3-5 \u5e74 Go \u540e\u7aef\u5f00\u53d1\u3001\u4e2d\u7ea7\u5347\u9ad8\u7ea7\u3001\u5927\u5382\u793e\u62db\u5b9a\u7ea7\u9762\u8bd5\u573a\u666f\u3002<\/p>\n
\u533a\u522b\u4e8e\u4e2d\u7ea7\u9762\u8bd5，\u9ad8\u7ea7 Go \u9762\u8bd5\u6df1\u5ea6\u805a\u7126\u5e95\u5c42\u539f\u7406\u3001\u6e90\u7801\u5b9e\u73b0\u3001\u9ad8\u5e76\u53d1\u7f16\u7a0b\u3001\u6027\u80fd\u6781\u81f4\u4f18\u5316\u3001\u5185\u5b58\u7ba1\u7406\u3001GMP \u6df1\u5ea6\u8c03\u5ea6\u3001\u6846\u67b6\u5185\u6838\u3001\u7ebf\u4e0a\u6545\u969c\u6392\u67e5\u3001\u5de5\u7a0b\u5316\u67b6\u6784\u8bbe\u8ba1\u3002<\/p>\n
\u6bcf\u9898\u9644\u5e26\u6743\u5a01\u6807\u51c6\u7b54\u6848 + \u6e90\u7801\u7ea7\u89e3\u6790 + \u751f\u4ea7\u7ea7\u4ee3\u7801\u793a\u4f8b，\u7eaf\u786c\u6838\u5e72\u8d27，\u65e2\u662f\u9762\u8bd5\u7a81\u51fb\u5b9d\u5178，\u4e5f\u662f Go \u9ad8\u7ea7\u5f00\u53d1\u3001\u6027\u80fd\u8c03\u4f18\u3001\u56e2\u961f\u5185\u8bad\u7684\u9876\u7ea7\u8d44\u6599\u3002<\/p>\n
go<\/p>\n
\u8fd0\u884c<\/p>\n
import _ "net\/http\/pprof"<\/p>\n
\/\/ \u4e00\u952e\u63a5\u5165\u6027\u80fd\u76d1\u63a7
\ngo func() {
\n http.ListenAndServe("0.0.0.0:6060", nil)
\n}()<\/p>\n
go<\/p>\n
\u8fd0\u884c<\/p>\n
var count int64<\/p>\n
\/\/ \u539f\u5b50\u81ea\u589e（\u9ad8\u6027\u80fd，\u65e0\u9501）
\nfunc add() {
\n atomic.AddInt64(&count, 1)
\n}<\/p>\n
go<\/p>\n
\u8fd0\u884c<\/p>\n
\/\/ string \u4e0e bytes \u65e0\u62f7\u8d1d\u8f6c\u6362
\nfunc stringToBytes(s string) []byte {
\n return *(*[]byte)(unsafe.Pointer(&s))
\n}<\/p>\n
go<\/p>\n
\u8fd0\u884c<\/p>\n
&http.Server{
\n ReadTimeout: 5 * time.Second, \/\/ \u8bfb\u8d85\u65f6
\n WriteTimeout: 5 * time.Second, \/\/ \u5199\u8d85\u65f6
\n IdleTimeout: 120 * time.Second,\/\/ \u957f\u8fde\u63a5\u7a7a\u95f2\u65f6\u95f4
\n MaxHeaderBytes: 1 << 20, \/\/ \u5934\u5927\u5c0f
\n}<\/p>\n
lua<\/p>\n
if redis.call("get",KEYS[1]) == ARGV[1] then
\n return redis.call("del",KEYS[1])
\nelse
\n return 0
\nend<\/p>\n
bash<\/p>\n
\u8fd0\u884c<\/p>\n
go build -ldflags="-s -w" -trimpath<\/p>\n
\u672c\u6587\u662fGo \u9ad8\u7ea7\u5de5\u7a0b\u5e08\u9762\u8bd5\u4e0e\u751f\u4ea7\u5b9e\u8df5\u7684\u9876\u7ea7\u5168\u653b\u7565，\u5b8c\u6574\u8986\u76d6：GMP \u6df1\u5ea6\u8c03\u5ea6\u3001\u5185\u5b58\u7ba1\u7406\u4e0e GC\u3001\u5e76\u53d1\u5e95\u5c42\u539f\u7406\u3001unsafe \u9ad8\u6027\u80fd\u7f16\u7a0b\u3001\u7f51\u7edc\u6a21\u578b\u3001pprof \u8c03\u4f18\u3001\u9ad8\u5e76\u53d1\u67b6\u6784\u3001\u5fae\u670d\u52a1\u4e2d\u95f4\u4ef6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u76ee\u5f55
\n\u524d\u8a00
\n\u4e00\u3001GMP \u8c03\u5ea6\u6df1\u5ea6\u539f\u7406（\u9ad8\u7ea7\u5fc5\u8003\u6e90\u7801\u7ea7）
\n1. GMP \u5b8c\u6574\u8c03\u5ea6\u6d41\u7a0b\u3001\u62a2\u5360\u8c03\u5ea6\u3001\u7cfb\u7edf\u8c03\u7528\u963b\u585e\u5904\u7406
\n\u6807\u51c6\u7b54\u6848
\n2. Go \u534f\u7a0b\u6cc4\u9732\u3001CPU \u98d9\u9ad8\u3001\u6b7b\u9501 \u7ebf\u4e0a\u6392\u67e5\u65b9\u6848
\n\u6807\u51c6\u7b54\u6848
\n\u4ee3\u7801\u793a\u4f8b（pprof \u63a5\u5165）
\n\u4e8c\u3001Go \u5185\u5b58\u7ba1\u7406\u4e0e GC \u9ad8\u7ea7\u4f18\u5316
\n1. Go \u5185\u5b58\u5206\u914d：mcache\u3001mcentral\u3001mheap \u4e09\u7ea7\u5206\u914d
\n\u6807\u51c6\u7b54\u6848
\n2. \u4e09\u8272\u6807\u8bb0\u6cd5 \u6df7\u5408\u5199\u5c4f\u969c \u539f\u7406
\n\u6807\u51c6\u7b54<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[745,190,2630],"topic":[],"class_list":["post-85298","post","type-post","status-publish","format-standard","hentry","category-server","tag-go","tag-190","tag-2630"],"yoast_head":"\n