{"id":26052,"date":"2025-04-19T14:31:43","date_gmt":"2025-04-19T06:31:43","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/26052.html"},"modified":"2025-04-19T14:31:43","modified_gmt":"2025-04-19T06:31:43","slug":"openeuler-%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%b3%bb%e7%bb%9f%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/26052.html","title":{"rendered":"openEuler \u670d\u52a1\u5668\u7cfb\u7edf\u4f18\u5316\u6280\u5de7"},"content":{"rendered":"<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u4e00\u3001\u5185\u6838\u53c2\u6570\u8c03\u6574<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e00&#xff09;\u8c03\u6574\u6700\u5927\u6587\u4ef6\u6253\u5f00\u6570<\/p>\n<p>\u00a0<\/p>\n<p>\u901a\u8fc7\u4fee\u6539 \u00a0\/etc\/security\/limits.conf\u00a0 \u6587\u4ef6&#xff0c;\u53ef\u4ee5\u589e\u52a0\u7cfb\u7edf\u5141\u8bb8\u6253\u5f00\u7684\u6700\u5927\u6587\u4ef6\u6570\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u6dfb\u52a0\u4ee5\u4e0b\u884c&#xff1a;<\/p>\n<p>\u00a0<\/p>\n<p>plaintext<\/p>\n<p>* soft nofile 65535<\/p>\n<p>* hard nofile 65535<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u8fd9\u5c06\u5141\u8bb8\u66f4\u591a\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u88ab\u6253\u5f00&#xff0c;\u5bf9\u4e8e\u9ad8\u5e76\u53d1\u7684\u670d\u52a1\u5668\u5e94\u7528\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e8c&#xff09;\u8c03\u6574\u5185\u6838\u5185\u5b58\u53c2\u6570<\/p>\n<p>\u00a0<\/p>\n<p>\u53ef\u4ee5\u6839\u636e\u670d\u52a1\u5668\u7684\u5185\u5b58\u5927\u5c0f\u548c\u5e94\u7528\u9700\u6c42&#xff0c;\u8c03\u6574\u5185\u6838\u5185\u5b58\u53c2\u6570\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4fee\u6539 \u00a0\/etc\/sysctl.conf\u00a0 \u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u53c2\u6570&#xff1a;<\/p>\n<p>\u00a0<\/p>\n<p>1.\u00a0\u00a0vm.swappiness\u00a0&#xff1a;\u63a7\u5236\u5185\u6838\u4ea4\u6362\u5185\u5b58\u7684\u503e\u5411\u3002\u964d\u4f4e\u8be5\u503c\u53ef\u4ee5\u51cf\u5c11\u5185\u5b58\u4ea4\u6362&#xff0c;\u63d0\u9ad8\u6027\u80fd\u3002\u4e00\u822c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 10 \u6216\u66f4\u4f4e\u3002<\/p>\n<p>2.\u00a0\u00a0vm.dirty_ratio\u00a0 \u548c \u00a0vm.dirty_background_ratio\u00a0&#xff1a;\u63a7\u5236\u5185\u5b58\u4e2d\u810f\u9875\u7684\u6bd4\u4f8b\u3002\u9002\u5f53\u8c03\u6574\u8fd9\u4e24\u4e2a\u53c2\u6570\u53ef\u4ee5\u5e73\u8861\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e09&#xff09;\u542f\u7528\u900f\u660e\u5927\u9875<\/p>\n<p>\u00a0<\/p>\n<p>\u900f\u660e\u5927\u9875\u53ef\u4ee5\u63d0\u9ad8\u5185\u5b58\u8bbf\u95ee\u6548\u7387&#xff0c;\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u7528\u6216\u7981\u7528\u900f\u660e\u5927\u9875&#xff1a;<\/p>\n<p>\u00a0<\/p>\n<p>plaintext<\/p>\n<p>echo never &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled&#xff08;\u7981\u7528&#xff09;<\/p>\n<p>echo always &gt; \/sys\/kernel\/mm\/transparent_hugepage\/enabled&#xff08;\u542f\u7528&#xff09;<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u5728\u542f\u7528\u900f\u660e\u5927\u9875\u4e4b\u524d&#xff0c;\u5efa\u8bae\u8fdb\u884c\u5145\u5206\u7684\u6d4b\u8bd5&#xff0c;\u4ee5\u786e\u4fdd\u4e0d\u4f1a\u5bf9\u7cfb\u7edf\u6027\u80fd\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u4e8c\u3001\u6587\u4ef6\u7cfb\u7edf\u4f18\u5316<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e00&#xff09;\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf<\/p>\n<p>\u00a0<\/p>\n<p>openEuler \u652f\u6301\u591a\u79cd\u6587\u4ef6\u7cfb\u7edf&#xff0c;\u5982 EXT4\u3001XFS \u7b49\u3002\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\u5728\u6027\u80fd\u3001\u53ef\u9760\u6027\u548c\u529f\u80fd\u65b9\u9762\u6709\u6240\u4e0d\u540c\u3002\u6839\u636e\u670d\u52a1\u5668\u7684\u5e94\u7528\u573a\u666f\u548c\u9700\u6c42&#xff0c;\u9009\u62e9\u5408\u9002\u7684\u6587\u4ef6\u7cfb\u7edf\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;XFS \u6587\u4ef6\u7cfb\u7edf\u5728\u5904\u7406\u5927\u6587\u4ef6\u548c\u9ad8\u5e76\u53d1\u5199\u5165\u65b9\u9762\u8868\u73b0\u51fa\u8272&#xff0c;\u9002\u5408\u7528\u4e8e\u6570\u636e\u5e93\u670d\u52a1\u5668\u7b49\u573a\u666f\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e8c&#xff09;\u6587\u4ef6\u7cfb\u7edf\u6302\u8f7d\u9009\u9879<\/p>\n<p>\u00a0<\/p>\n<p>\u5728\u6302\u8f7d\u6587\u4ef6\u7cfb\u7edf\u65f6&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u4f18\u5316\u9009\u9879\u6765\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4f7f\u7528 \u00a0noatime\u00a0 \u9009\u9879\u7981\u7528\u6587\u4ef6\u8bbf\u95ee\u65f6\u95f4\u7684\u8bb0\u5f55&#xff0c;\u51cf\u5c11\u78c1\u76d8 I\/O \u64cd\u4f5c\u3002<\/p>\n<p>\u8fd8\u53ef\u4ee5\u4f7f\u7528 \u00a0discard\u00a0 \u9009\u9879\u542f\u7528 TRIM \u529f\u80fd&#xff0c;\u5bf9\u4e8e\u56fa\u6001\u786c\u76d8&#xff08;SSD&#xff09;\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u548c\u5bff\u547d\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e09&#xff09;\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58<\/p>\n<p>\u00a0<\/p>\n<p>\u5408\u7406\u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u53ef\u4ee5\u63d0\u9ad8\u6587\u4ef6\u8bbf\u95ee\u901f\u5ea6\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539 \u00a0\/etc\/fstab\u00a0 \u6587\u4ef6\u4e2d\u7684 \u00a0mount\u00a0 \u9009\u9879&#xff0c;\u589e\u52a0\u7f13\u5b58\u5927\u5c0f\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u6dfb\u52a0 \u00a0noatime,nodiratime,data&#061;writeback,barrier&#061;0,commit&#061;60\u00a0 \u7b49\u9009\u9879\u6765\u4f18\u5316\u6587\u4ef6\u7cfb\u7edf\u7f13\u5b58\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u4e09\u3001\u7f51\u7edc\u4f18\u5316<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e00&#xff09;\u8c03\u6574\u7f51\u7edc\u7f13\u51b2\u533a\u5927\u5c0f<\/p>\n<p>\u00a0<\/p>\n<p>\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u5185\u6838\u53c2\u6570\u6765\u8c03\u6574\u7f51\u7edc\u7f13\u51b2\u533a\u7684\u5927\u5c0f&#xff0c;\u4ee5\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4fee\u6539 \u00a0\/etc\/sysctl.conf\u00a0 \u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u53c2\u6570&#xff1a;<\/p>\n<p>\u00a0<\/p>\n<p>1.\u00a0\u00a0net.core.rmem_max\u00a0 \u548c \u00a0net.core.wmem_max\u00a0&#xff1a;\u5206\u522b\u8bbe\u7f6e\u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u7684\u6700\u5927\u5927\u5c0f\u3002<\/p>\n<p>2.\u00a0\u00a0net.ipv4.tcp_rmem\u00a0 \u548c \u00a0net.ipv4.tcp_wmem\u00a0&#xff1a;\u5206\u522b\u8bbe\u7f6e TCP \u63a5\u6536\u548c\u53d1\u9001\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u8303\u56f4\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e8c&#xff09;\u542f\u7528\u7f51\u7edc\u5378\u8f7d\u529f\u80fd<\/p>\n<p>\u00a0<\/p>\n<p>\u5982\u679c\u670d\u52a1\u5668\u7684\u7f51\u7edc\u786c\u4ef6\u652f\u6301&#xff0c;\u53ef\u4ee5\u542f\u7528\u7f51\u7edc\u5378\u8f7d\u529f\u80fd&#xff0c;\u5982 TCP\/IP \u6821\u9a8c\u548c\u5378\u8f7d\u3001\u5927\u9875\u63a5\u6536\u5378\u8f7d\u7b49\u3002\u8fd9\u53ef\u4ee5\u51cf\u8f7b CPU \u7684\u8d1f\u62c5&#xff0c;\u63d0\u9ad8\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e09&#xff09;\u4f18\u5316\u7f51\u7edc\u534f\u8bae\u6808<\/p>\n<p>\u00a0<\/p>\n<p>\u53ef\u4ee5\u6839\u636e\u670d\u52a1\u5668\u7684\u7f51\u7edc\u5e94\u7528\u9700\u6c42&#xff0c;\u8c03\u6574\u7f51\u7edc\u534f\u8bae\u6808\u7684\u53c2\u6570\u3002\u4f8b\u5982&#xff0c;\u53ef\u4ee5\u4fee\u6539 \u00a0\/etc\/sysctl.conf\u00a0 \u6587\u4ef6\u4e2d\u7684\u4ee5\u4e0b\u53c2\u6570&#xff1a;<\/p>\n<p>\u00a0<\/p>\n<p>1.\u00a0\u00a0net.ipv4.tcp_timestamps\u00a0&#xff1a;\u542f\u7528\u6216\u7981\u7528 TCP \u65f6\u95f4\u6233\u9009\u9879\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u7981\u7528\u65f6\u95f4\u6233\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n<p>2.\u00a0\u00a0net.ipv4.tcp_sack\u00a0&#xff1a;\u542f\u7528\u6216\u7981\u7528\u9009\u62e9\u6027\u786e\u8ba4&#xff08;SACK&#xff09;\u9009\u9879\u3002\u6839\u636e\u7f51\u7edc\u73af\u5883\u548c\u5e94\u7528\u9700\u6c42&#xff0c;\u53ef\u4ee5\u8c03\u6574\u8be5\u9009\u9879\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u56db\u3001\u5176\u4ed6\u4f18\u5316\u6280\u5de7<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e00&#xff09;\u5b9a\u671f\u6e05\u7406\u7cfb\u7edf\u5783\u573e<\/p>\n<p>\u00a0<\/p>\n<p>\u5b9a\u671f\u6e05\u7406\u7cfb\u7edf\u4e2d\u7684\u4e34\u65f6\u6587\u4ef6\u3001\u65e5\u5fd7\u6587\u4ef6\u548c\u7f13\u5b58\u6587\u4ef6\u7b49\u5783\u573e\u6587\u4ef6&#xff0c;\u53ef\u4ee5\u91ca\u653e\u78c1\u76d8\u7a7a\u95f4&#xff0c;\u63d0\u9ad8\u7cfb\u7edf\u6027\u80fd\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e8c&#xff09;\u5347\u7ea7\u786c\u4ef6<\/p>\n<p>\u00a0<\/p>\n<p>\u5982\u679c\u670d\u52a1\u5668\u7684\u6027\u80fd\u4ecd\u7136\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42&#xff0c;\u53ef\u4ee5\u8003\u8651\u5347\u7ea7\u786c\u4ef6&#xff0c;\u5982\u589e\u52a0\u5185\u5b58\u3001\u66f4\u6362\u66f4\u5feb\u7684\u786c\u76d8\u6216\u7f51\u7edc\u8bbe\u5907\u7b49\u3002<\/p>\n<p>\u00a0<\/p>\n<p>&#xff08;\u4e09&#xff09;\u76d1\u63a7\u7cfb\u7edf\u6027\u80fd<\/p>\n<p>\u00a0<\/p>\n<p>\u4f7f\u7528\u76d1\u63a7\u5de5\u5177&#xff0c;\u5982 top\u3001vmstat\u3001iostat \u7b49&#xff0c;\u5b9a\u671f\u76d1\u63a7\u7cfb\u7edf\u7684\u6027\u80fd\u6307\u6807&#xff0c;\u5982 CPU \u4f7f\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u7387\u3001\u78c1\u76d8 I\/O \u548c\u7f51\u7edc\u6d41\u91cf\u7b49\u3002\u6839\u636e\u76d1\u63a7\u7ed3\u679c&#xff0c;\u53ca\u65f6\u8c03\u6574\u4f18\u5316\u7b56\u7565\u3002<\/p>\n<p>\u00a0<\/p>\n<p>\u603b\u4e4b&#xff0c;\u901a\u8fc7\u5408\u7406\u7684\u5185\u6838\u53c2\u6570\u8c03\u6574\u3001\u6587\u4ef6\u7cfb\u7edf\u4f18\u5316\u548c\u7f51\u7edc\u4f18\u5316\u7b49\u6280\u5de7&#xff0c;\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8 openEuler 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