2. \u8f6f\u4ef6\u7ea7\u4f18\u5316<\/h3>\n

\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u65bd\u9002\u5f53\u7684\u5185\u5b58\u7ba1\u7406\u53ef\u4ee5\u663e\u8457\u964d\u4f4e\u5ef6\u8fdf\u3002\u8003\u8651\u4ee5\u4e0b\u4f18\u5316\u793a\u4f8b:<\/p>\n

\r\n\/\/ C++\u793a\u4f8b: \u5185\u5b58\u6c60\u5b9e\u73b0\r\ntemplate\r\nclass MemoryPool {\r\n    union Block {\r\n        Block* next;\r\n        T data;\r\n    };\r\n    \r\n    Block* free_blocks = nullptr;\r\n    \r\npublic:\r\n    T* allocate() {\r\n        if (free_blocks == nullptr) {\r\n            \/\/ \u6c60\u4e3a\u7a7a\u65f6\u5206\u914d\u65b0\u5757\r\n            Block* new_block = reinterpret_cast(\r\n                new char[sizeof(Block) * BlockSize]\r\n            );\r\n            \r\n            \/\/ \u521d\u59cb\u5316\u7a7a\u95f2\u5217\u8868\r\n            for (size_t i = 0; i < BlockSize - 1; ++i) {\r\n                new_block[i].next = &new_block[i + 1];\r\n            }\r\n            new_block[BlockSize - 1].next = nullptr;\r\n            free_blocks = new_block;\r\n        }\r\n        \r\n        Block* block = free_blocks;\r\n        free_blocks = block->next;\r\n        return reinterpret_cast(block);\r\n    }\r\n};\r\n<\/code><\/pre>\n
\u9999\u6e2f\u670d\u52a1\u5668\u7684\u7cfb\u7edf\u7ea7\u8c03\u4f18<\/strong><\/h2>\n
\u4e3a\u4e86\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u83b7\u5f97\u6700\u4f73\u6027\u80fd,\u8bf7\u8003\u8651\u4ee5\u4e0b\u5185\u6838\u53c2\u6570:<\/p>\n
\r\n# \u6dfb\u52a0\u5230 \/etc\/sysctl.conf\r\n# \u4f18\u5316\u865a\u62df\u5185\u5b58\r\nvm.swappiness=10\r\nvm.dirty_ratio=60\r\nvm.dirty_background_ratio=2\r\n\r\n# \u7f51\u7edc\u7f13\u51b2\u4f18\u5316\r\nnet.core.rmem_max=16777216\r\nnet.core.wmem_max=16777216\r\n\r\n# \u5e94\u7528\u66f4\u6539\r\n$ sudo sysctl -p\r\n<\/code><\/pre>\n
\u6027\u80fd\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u5b9e\u65bd\u6301\u7eed\u76d1\u63a7:<\/p>\n
\r\n# \u5185\u5b58\u5ef6\u8fdf\u76d1\u63a7\u547d\u4ee4\u96c6\r\n$ numastat -m\r\n$ vmstat 1\r\n$ sar -r 1 10\r\n<\/code><\/pre>\n
\u6700\u4f73\u5b9e\u8df5\u548c\u672a\u6765\u8003\u8651<\/strong><\/h2>\n
\u5728\u4f18\u5316\u9999\u6e2f\u670d\u52a1\u5668\u6258\u7ba1\u8bbe\u65bd\u7684\u5185\u5b58\u5ef6\u8fdf\u65f6,\u8bf7\u8003\u8651\u4ee5\u4e0b\u5173\u952e\u56e0\u7d20:<\/p>\n
\n
\u5728NUMA\u8282\u70b9\u95f4\u5b9e\u65bd\u5185\u5b58\u4ea4\u9519<\/li>\n
\u5bf9\u5927\u578b\u5185\u5b58\u5206\u914d\u4f7f\u7528\u5927\u9875\u9762<\/li>\n
\u76d1\u63a7\u5f71\u54cd\u5185\u5b58\u6027\u80fd\u7684\u6e29\u5ea6\u6761\u4ef6<\/li>\n
\u5b9a\u671f\u57fa\u51c6\u6d4b\u8bd5<\/li>\n<\/ul>\n
\u7ed3\u8bba<\/strong><\/h2>\n
\u6709\u6548\u7684\u5185\u5b58\u5ef6\u8fdf\u4f18\u5316\u5bf9\u4e8e\u5728\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u73af\u5883\u4e2d\u7ef4\u6301\u9ad8\u6027\u80fd\u670d\u52a1\u5668\u8fd0\u8425\u4ecd\u7136\u81f3\u5173\u91cd\u8981\u3002\u901a\u8fc7\u5b9e\u65bd\u8fd9\u4e9b\u6280\u672f\u89e3\u51b3\u65b9\u6848\u548c\u76d1\u63a7\u7b56\u7565,\u60a8\u53ef\u4ee5\u663e\u8457\u6539\u5584\u670d\u52a1\u5668\u7684\u54cd\u5e94\u65f6\u95f4\u548c\u6574\u4f53\u7cfb\u7edf\u6548\u7387\u3002\u8bf7\u8bb0\u4f4f\u968f\u7740\u786c\u4ef6\u548c\u8f6f\u4ef6\u6280\u672f\u7684\u53d1\u5c55,\u5b9a\u671f\u68c0\u67e5\u548c\u66f4\u65b0\u60a8\u7684\u4f18\u5316\u7b56\u7565\u3002<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_column][vc_column_text] [\/vc_column_text][\/vc_column][\/vc_row] \u5185\u5b58\u5ef6\u8fdf\u5bf9\u670d\u52a1\u5668\u6027\u80fd\u7684\u5f71\u54cd \u5185\u5b58\u5ef6\u8fdf\u4ecd\u7136\u662f\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u7684\u5173\u952e\u56e0\u7d20,\u7279\u522b\u662f\u5bf9\u9999\u6e2f\u670d\u52a1\u5668\u79df\u7528\u63d0\u4f9b\u5546\u548c\u6570\u636e\u4e2d\u5fc3\u800c\u8a00\u3002\u4ece\u672c\u8d28\u4e0a\u8bb2,\u5185\u5b58\u5ef6\u8fdf\u8868\u793a\u5904\u7406\u5668\u8bf7\u6c42\u6570\u636e\u5230\u4ece\u5185\u5b58\u63a5\u6536\u6570\u636e\u4e4b\u95f4\u7684\u65f6\u95f4\u95f4\u9694\u3002\u8fd9\u79cd\u5ef6\u8fdf\u4f1a\u663e\u8457\u5f71\u54cd\u670d\u52a1\u5668\u54cd\u5e94\u65f6\u95f4\u548c\u6574\u4f53\u7cfb\u7edf\u6548\u7387\u3002 \u7406\u89e3\u5185\u5b58\u5ef6\u8fdf:\u6280\u672f\u6df1\u5ea6\u5256\u6790 \u5185\u5b58\u5ef6\u8fdf\u4e0d\u4ec5\u4ec5\u5173\u4e4e\u539f\u59cb\u901f\u5ea6 – \u5b83\u662f\u5404\u79cd\u786c\u4ef6\u548c\u8f6f\u4ef6\u7ec4\u4ef6\u4e4b\u95f4\u590d\u6742\u7684\u76f8\u4e92\u4f5c\u7528\u3002\u8ba9\u6211\u4eec\u6765\u5206\u6790\u6280\u672f\u5c42\u9762: \/\/ \u5f71\u54cd\u5ef6\u8fdf\u7684\u5185\u5b58\u8bbf\u95ee\u6a21\u5f0f\u793a\u4f8b void demonstrateMemoryAccess() { const int arraySize = 1024 * 1024; int* array = new int[arraySize]; \/\/ \u987a\u5e8f\u8bbf\u95ee – \u5ef6\u8fdf\u8868\u73b0\u66f4\u597d for(int i = 0; i < arraySize; i++) { array[i] = i; } \/\/ \u968f\u673a\u8bbf\u95ee - \u5ef6\u8fdf\u8868\u73b0\u66f4\u5dee for(int i = 0; i < arraySize; i++) [...]\n\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":19010,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[62],"tags":[4712,4713,4714,2285,248],"class_list":["post-19022","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-sc","tag-memory-latency-sc","tag-memory-performance-sc","tag-latency-reduction-sc","tag-server-optimization-sc","tag-hong-kong-server-rental-sc"],"acf":[],"yoast_head":"\n