2. \u8edf\u9ad4\u7d1a\u512a\u5316<\/h3>\n

\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u5be6\u65bd\u9069\u7576\u7684\u8a18\u61b6\u9ad4\u7ba1\u7406\u53ef\u4ee5\u986f\u8457\u964d\u4f4e\u5ef6\u9072\u3002\u8003\u616e\u4ee5\u4e0b\u512a\u5316\u793a\u4f8b\uff1a<\/p>\n

\/\/ C++\u793a\u4f8b: \u8a18\u61b6\u9ad4\u6c60\u5be6\u4f5c\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\u70ba\u7a7a\u6642\u5206\u914d\u65b0\u5340\u584a\r\n            Block* new_block = reinterpret_cast(\r\n                new char[sizeof(Block) * BlockSize]\r\n            );\r\n            \r\n            \/\/ \u521d\u59cb\u5316\u7a7a\u9592\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
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\"blog-detail-section\"][vc_column][vc_column_text]<\/p>\n
\u9999\u6e2f\u4f3a\u670d\u5668\u7684\u7cfb\u7d71\u7d1a\u8abf\u6821<\/strong><\/h2>\n
\u70ba\u4e86\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7372\u5f97\u6700\u4f73\u6548\u80fd\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u6838\u5fc3\u53c3\u6578\uff1a<\/p>\n
# \u6dfb\u52a0\u5230 \/etc\/sysctl.conf\r\n# \u512a\u5316\u865b\u64ec\u8a18\u61b6\u9ad4\r\nvm.swappiness=10\r\nvm.dirty_ratio=60\r\nvm.dirty_background_ratio=2\r\n\r\n# \u7db2\u8def\u7de9\u885d\u512a\u5316\r\nnet.core.rmem_max=16777216\r\nnet.core.wmem_max=16777216\r\n\r\n# \u5957\u7528\u66f4\u6539\r\n$ sudo sysctl -p\r\n<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\"blog-detail-section\"][vc_column][vc_column_text]<\/p>\n
\u6548\u80fd\u76e3\u63a7\u548c\u6545\u969c\u6392\u9664<\/strong><\/h2>\n
\u4f7f\u7528\u9019\u4e9b\u5de5\u5177\u5be6\u65bd\u6301\u7e8c\u76e3\u63a7\uff1a<\/p>\n
# \u8a18\u61b6\u9ad4\u5ef6\u9072\u76e3\u63a7\u547d\u4ee4\u96c6\r\n$ numastat -m\r\n$ vmstat 1\r\n$ sar -r 1 10\r\n<\/code><\/pre>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\"blog-detail-section\"][vc_column][vc_column_text]<\/p>\n
\u6700\u4f73\u5be6\u52d9\u548c\u672a\u4f86\u8003\u616e<\/strong><\/h2>\n
\u5728\u512a\u5316\u9999\u6e2f\u4f3a\u670d\u5668\u8a17\u7ba1\u8a2d\u65bd\u7684\u8a18\u61b6\u9ad4\u5ef6\u9072\u6642\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u95dc\u9375\u56e0\u7d20\uff1a<\/p>\n
\n
\u5728NUMA\u7bc0\u9ede\u9593\u5be6\u65bd\u8a18\u61b6\u9ad4\u4ea4\u932f<\/li>\n
\u5c0d\u5927\u578b\u8a18\u61b6\u9ad4\u5206\u914d\u4f7f\u7528\u5927\u9801\u9762<\/li>\n
\u76e3\u63a7\u5f71\u97ff\u8a18\u61b6\u9ad4\u6548\u80fd\u7684\u6eab\u5ea6\u689d\u4ef6<\/li>\n
\u5b9a\u671f\u57fa\u6e96\u6e2c\u8a66<\/li>\n<\/ul>\n
[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\"blog-detail-section\"][vc_column][vc_column_text]<\/p>\n
\u7d50\u8ad6<\/strong><\/h2>\n
\u6709\u6548\u7684\u8a18\u61b6\u9ad4\u5ef6\u9072\u512a\u5316\u5c0d\u65bc\u5728\u9999\u6e2f\u4f3a\u670d\u5668\u79df\u7528\u74b0\u5883\u4e2d\u7dad\u6301\u9ad8\u6548\u80fd\u4f3a\u670d\u5668\u904b\u71df\u4ecd\u7136\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u89e3\u6c7a\u65b9\u6848\u548c\u76e3\u63a7\u7b56\u7565\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u6539\u5584\u4f3a\u670d\u5668\u7684\u56de\u61c9\u6642\u9593\u548c\u6574\u9ad4\u7cfb\u7d71\u6548\u7387\u3002\u8acb\u8a18\u4f4f\u96a8\u8457\u786c\u9ad4\u548c\u8edf\u9ad4\u6280\u8853\u7684\u767c\u5c55\uff0c\u5b9a\u671f\u6aa2\u67e5\u548c\u66f4\u65b0\u60a8\u7684\u512a\u5316\u7b56\u7565\u3002<\/p>\n
[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"
[vc_row el_class=”blog-detail-section”][vc_ […]<\/p>\n
Read More…<\/a><\/p>\n","protected":false},"author":3,"featured_media":19009,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[4710,4711,4709,2284,247],"class_list":["post-19021","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hong-kong-dedicated-server-tc","tag-memory-performance-tc","tag-latency-reduction-tc","tag-memory-latency-tc","tag-server-optimization-tc","tag-hong-kong-server-rental-tc"],"acf":[],"yoast_head":"\n