{"id":51770,"date":"2024-12-03T15:59:12","date_gmt":"2024-12-03T07:59:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51770\/"},"modified":"2024-12-03T15:59:12","modified_gmt":"2024-12-03T07:59:12","slug":"linux%e4%b8%8a%e5%ae%b9%e5%99%a8%e5%ad%98%e5%82%a8%e6%80%a7%e8%83%bd%e4%bc%98%e5%8c%96%e5%8f%8a%e9%ab%98%e5%8f%af%e7%94%a8%e9%85%8d%e7%bd%ae%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51770\/","title":{"rendered":"Linux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>Linux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aLinux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002<\/p>\n<p>\u5982\u4f55\u5728Linux\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u968f\u7740\u5bb9\u5668\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55\uff0c\u8d8a\u6765\u8d8a\u591a\u7684\u4f01\u4e1a\u5c06\u5176\u5e94\u7528\u4e8e\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u800c\u5b58\u50a8\u6027\u80fd\u662f\u5bb9\u5668\u8fd0\u884c\u7684\u5173\u952e\u56e0\u7d20\u4e4b\u4e00\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5728Linux\u7cfb\u7edf\u4e0a\u5982\u4f55\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u9009\u62e9\u9002\u5408\u7684\u5b58\u50a8\u9a71\u52a8<br \/>\u5728\u914d\u7f6e\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u65f6\uff0c\u9996\u5148\u9700\u8981\u9009\u62e9\u9002\u5408\u7684\u5b58\u50a8\u9a71\u52a8\u3002\u5e38\u89c1\u7684\u5b58\u50a8\u9a71\u52a8\u6709OverlayFS\u3001AUFS\u3001Device Mapper\u7b49\u3002\u4e0b\u9762\u4ee5OverlayFS\u4e3a\u4f8b\u8fdb\u884c\u4ecb\u7ecd\u3002<\/p>\n<ol>\n<li>\u5728Linux\u7cfb\u7edf\u4e0a\u68c0\u67e5OverlayFS\u6a21\u5757\u662f\u5426\u5df2\u52a0\u8f7d\uff1a<\/li>\n<\/ol>\n<pre>lsmod | grep overlay<\/pre>\n<p>\u82e5\u672a\u52a0\u8f7d\uff0c\u8bf7\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u52a0\u8f7d\u6a21\u5757\uff1a<\/p>\n<pre>modprobe overlay<\/pre>\n<ol>\n<li>\u4fee\u6539Docker\u7684\u9ed8\u8ba4\u5b58\u50a8\u9a71\u52a8\uff0c\u5c06\u5176\u8bbe\u7f6e\u4e3aOverlayFS\u3002\u7f16\u8f91Docker\u914d\u7f6e\u6587\u4ef6\/etc\/docker\/daemon.json\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/li>\n<\/ol>\n<pre>{\n  \"storage-driver\": \"overlay2\"\n}<\/pre>\n<p>\u4fdd\u5b58\u5e76\u91cd\u542fDocker\u670d\u52a1\uff1a<\/p>\n<pre>systemctl restart docker<\/pre>\n<p>\u4e8c\u3001\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u5b58\u50a8\u4ecb\u8d28<br \/>\u9009\u62e9\u5408\u9002\u7684\u5b58\u50a8\u4ecb\u8d28\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e24\u79cd\u5e38\u89c1\u7684\u9ad8\u6027\u80fd\u5b58\u50a8\u4ecb\u8d28\u3002<\/p>\n<ol>\n<li>NVMe SSD<br \/>NVMe SSD\uff08Non-Volatile Memory Express Solid-State Drive\uff09\u662f\u4e00\u79cd\u65b0\u4e00\u4ee3\u9ad8\u901f\u5b58\u50a8\u8bbe\u5907\u3002\u4f7f\u7528NVMe SSD\u4f5c\u4e3a\u5bb9\u5668\u5b58\u50a8\u4ecb\u8d28\u53ef\u4ee5\u5927\u5e45\u63d0\u9ad8IO\u6027\u80fd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u662f\u5426\u5df2\u8bc6\u522b\u51faNVMe SSD\uff1a<\/li>\n<\/ol>\n<pre>lsblk<\/pre>\n<p>\u82e5\u5df2\u8bc6\u522b\u51faNVMe SSD\uff0c\u53ef\u4ee5\u5c06\u5176\u6302\u8f7d\u5230\u5408\u9002\u7684\u76ee\u5f55\u4e0b\uff0c\u7136\u540e\u5728\u521b\u5efa\u6216\u542f\u52a8\u5bb9\u5668\u65f6\uff0c\u5c06\u5b58\u50a8\u8def\u5f84\u6307\u5411\u6302\u8f7d\u7684\u76ee\u5f55\u3002<\/p>\n<ol>\n<li>\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf<br \/>\u91c7\u7528\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\u53ef\u4ee5\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\uff0c\u63d0\u9ad8\u6570\u636e\u8bbf\u95ee\u7684\u5e76\u53d1\u6027\u548c\u53ef\u7528\u6027\u3002\u5e38\u89c1\u7684\u5206\u5e03\u5f0f\u5b58\u50a8\u7cfb\u7edf\u6709Ceph\u3001GlusterFS\u7b49\u3002\u4e0b\u9762\u4ee5Ceph\u4e3a\u4f8b\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<\/ol>\n<p>\u6b65\u9aa4\u4e00\uff1a\u5b89\u88c5Ceph<br \/>\u9996\u5148\u9700\u8981\u5728\u5404\u4e2a\u8282\u70b9\u4e0a\u5b89\u88c5Ceph\u8f6f\u4ef6\u5305\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\uff1a<\/p>\n<pre>yum install ceph<\/pre>\n<p>\u6b65\u9aa4\u4e8c\uff1a\u521b\u5efa\u5b58\u50a8\u6c60<br \/>\u63a5\u4e0b\u6765\u9700\u8981\u521b\u5efa\u4e00\u4e2aCeph\u5b58\u50a8\u6c60\uff0c\u7528\u4e8e\u5b58\u653e\u5bb9\u5668\u7684\u6570\u636e\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u5b58\u50a8\u6c60\uff1a<\/p>\n<pre>ceph osd pool create {pool-name} {pg-num} {pgp-num}<\/pre>\n<p>pool-name\u4e3a\u5b58\u50a8\u6c60\u540d\u79f0\uff0cpg-num\u548cpgp-num\u4e3aPG\uff08Placement Group\uff09\u6570\u91cf\uff0c\u53ef\u6839\u636e\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<p>\u6b65\u9aa4\u4e09\uff1a\u6620\u5c04\u5b58\u50a8\u6c60<br \/>\u5c06\u521a\u521b\u5efa\u7684\u5b58\u50a8\u6c60\u6620\u5c04\u4e3a\u5757\u8bbe\u5907\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b9e\u73b0\uff1a<\/p>\n<pre>rbd create {pool-name}\/{image-name} --size {size}<\/pre>\n<p>image-name\u4e3a\u6620\u5c04\u7684\u5757\u8bbe\u5907\u540d\u79f0\uff0csize\u4e3a\u8bbe\u5907\u5927\u5c0f\u3002<\/p>\n<p>\u6b65\u9aa4\u56db\uff1a\u6302\u8f7d\u5757\u8bbe\u5907<br \/>\u5c06\u6620\u5c04\u7684\u5757\u8bbe\u5907\u6302\u8f7d\u5230\u6587\u4ef6\u7cfb\u7edf\u4e0b\u7684\u67d0\u4e2a\u76ee\u5f55\uff0c\u53ef\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5b9e\u73b0\uff1a<\/p>\n<pre>rbd map {pool-name}\/{image-name}\nmkdir -p {mount-dir}\nmount \/dev\/rbd\/{pool-name}\/{image-name} {mount-dir}<\/pre>\n<p>mount-dir\u4e3a\u6302\u8f7d\u76ee\u5f55\u3002<\/p>\n<p>\u6b65\u9aa4\u4e94\uff1a\u914d\u7f6eDocker\u5b58\u50a8\u9a71\u52a8<br \/>\u7f16\u8f91Docker\u914d\u7f6e\u6587\u4ef6\/etc\/docker\/daemon.json\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<pre>{\n  \"storage-driver\": \"rbd\",\n  \"storage-opts\": [\n    \"ceph.fsname={pool-name}\",\n    \"ceph.conf=\/etc\/ceph\/ceph.conf\",\n    \"ceph.user={ceph-username}\"\n  ]\n}<\/pre>\n<p>pool-name\u4e3a\u521b\u5efa\u7684Ceph\u5b58\u50a8\u6c60\u540d\u79f0\uff0cceph.conf\u4e3aCeph\u914d\u7f6e\u6587\u4ef6\u8def\u5f84\uff0cceph-username\u4e3a\u8bbf\u95eeCeph\u5b58\u50a8\u6c60\u7684\u7528\u6237\u540d\u3002<\/p>\n<p>\u4fdd\u5b58\u5e76\u91cd\u542fDocker\u670d\u52a1\uff1a<\/p>\n<pre>systemctl restart docker<\/pre>\n<p>\u4e09\u3001\u8c03\u6574\u5185\u6838\u53c2\u6570<br \/>\u8c03\u6574Linux\u5185\u6838\u53c2\u6570\u53ef\u4ee5\u63d0\u5347\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u5185\u6838\u53c2\u6570\u8c03\u6574\u793a\u4f8b\u3002<\/p>\n<ol>\n<li>\u63d0\u9ad8\u6587\u4ef6\u7cfb\u7edf\u7684\u6700\u5927\u6253\u5f00\u6587\u4ef6\u6570\uff1a<\/li>\n<\/ol>\n<pre>echo 1000000 &gt; \/proc\/sys\/fs\/file-max<\/pre>\n<ol>\n<li>\u63d0\u9ad8\u78c1\u76d8IO\u7684\u6700\u5927\u8bf7\u6c42\u961f\u5217\u957f\u5ea6\uff1a<\/li>\n<\/ol>\n<pre>echo 16384 &gt; \/sys\/block\/sdX\/queue\/nr_requests<\/pre>\n<p>\u5176\u4e2dsdX\u4e3a\u78c1\u76d8\u8bbe\u5907\u6807\u8bc6\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<ol>\n<li>\u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u7684\u6700\u5927\u53e5\u67c4\u6570\uff1a<\/li>\n<\/ol>\n<pre>echo 1000000 &gt; \/proc\/sys\/fs\/inode-max<\/pre>\n<p>\u4fdd\u5b58\u4ee5\u4e0a\u53c2\u6570\u8c03\u6574\uff0c\u53ef\u5c06\u5176\u6dfb\u52a0\u5230\/etc\/sysctl.conf\u6587\u4ef6\u4e2d\uff0c\u4f7f\u5176\u5728\u7cfb\u7edf\u542f\u52a8\u65f6\u81ea\u52a8\u751f\u6548\u3002<\/p>\n<p>\u7ed3\u8bba\uff1a<br \/>\u672c\u6587\u4ecb\u7ecd\u4e86\u5728Linux\u7cfb\u7edf\u4e0a\u914d\u7f6e\u9ad8\u53ef\u7528\u7684\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5173\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u9009\u62e9\u9002\u5408\u7684\u5b58\u50a8\u9a71\u52a8\u3001\u4f7f\u7528\u9ad8\u6027\u80fd\u7684\u5b58\u50a8\u4ecb\u8d28\u3001\u8c03\u6574\u5185\u6838\u53c2\u6570\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5bb9\u5668\u7684\u5b58\u50a8\u6027\u80fd\uff0c\u6ee1\u8db3\u4f01\u4e1a\u751f\u4ea7\u73af\u5883\u5bf9\u5bb9\u5668\u7684\u8981\u6c42\u3002\u5728\u5b9e\u9645\u914d\u7f6e\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u573a\u666f\u548c\u9700\u6c42\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8eLinux,\u9ad8\u53ef\u7528,\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aLinux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u4f7f\u7528Python\u4e2dDataFrame\u6570\u636e\u7684\u5408\u5e76\u65b9\u6cd5\uff1amerge()\u548cconcat()\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357 \u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5206\u4eab\u300aLinux\u4e0a\u5bb9\u5668\u5b58\u50a8\u6027\u80fd\u4f18\u5316\u53ca\u9ad8\u53ef\u7528\u914d\u7f6e\u6307\u5357\u300b\uff0c\u8986\u76d6\u4e86\u6587\u7ae0\u7684\u5e38\u89c1\u57fa\u7840\u77e5\u8bc6\uff0c\u5176\u5b9e\u4e00\u4e2a\u8bed\u8a00\u7684\u5168\u90e8\u77e5\u8bc6\u70b9\u4e00\u7bc7\u6587\u7ae0\u662f\u4e0d\u53ef\u80fd\u8bf4\u5b8c\u7684\uff0c\u4f46\u5e0c\u671b\u901a\u8fc7\u8fd9\u4e9b\u95ee\u9898\uff0c\u8ba9\u8bfb\u8005\u5bf9\u81ea\u5df1\u7684\u638c\u63e1\u7a0b\u5ea6\u6709\u4e00\u5b9a\u7684\u8ba4\u8bc6(B \u6570)\uff0c\u4ece\u800c\u5f25\u8865\u81ea\u5df1\u7684\u4e0d\u8db3\uff0c\u66f4\u597d\u7684\u638c\u63e1\u5b83\u3002 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