{"id":1145,"date":"2011-12-14T17:16:00","date_gmt":"2011-12-14T09:16:00","guid":{"rendered":"\/?p=1145"},"modified":"2011-12-14T17:16:00","modified_gmt":"2011-12-14T17:16:00","slug":"1145","status":"publish","type":"post","link":"https:\/\/blog.vimge.com\/archives\/architecture\/1145.html","title":{"rendered":"\u8f6f\u4ef6\u7ea7\u8d1f\u8f7d\u5747\u8861\u5668(LVS\/HAProxy\/Nginx)\u7684\u7279\u70b9\u548c\u5bf9\u6bd4"},"content":{"rendered":"

\u73b0\u5728\u7f51\u7ad9\u53d1\u5c55\u7684\u8d8b\u52bf\u5bf9\u7f51\u7edc\u8d1f\u8f7d\u5747\u8861<\/span>\u7684\u4f7f\u7528\u662f\u968f\u7740\u7f51\u7ad9\u89c4\u6a21\u7684\u63d0\u5347\u6839\u636e\u4e0d\u540c\u7684\u9636\u6bb5\u6765\u4f7f\u7528\u4e0d\u540c\u7684\u6280\u672f\uff1a<\/p>\n

\u4e00\u79cd\u662f\u901a\u8fc7\u786c\u4ef6\u6765\u8fdb\u884c\u8fdb\u884c\uff0c\u5e38\u89c1\u7684\u786c\u4ef6\u6709\u6bd4\u8f83\u6602\u8d35\u7684NetScaler\u3001F5\u3001Radware\u548cArray\u7b49\u5546\u7528\u7684\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u5b83\u7684\u4f18\u70b9\u5c31\u662f\u6709\u4e13\u4e1a\u7684\u7ef4\u62a4\u56e2\u961f\u6765\u5bf9\u8fd9\u4e9b\u670d\u52a1\u8fdb\u884c\u7ef4\u62a4\u3001\u7f3a\u70b9\u5c31\u662f\u82b1\u9500\u592a\u5927\uff0c\u6240\u4ee5\u5bf9\u4e8e\u89c4\u6a21\u8f83\u5c0f\u7684\u7f51\u7edc\u670d\u52a1\u6765\u8bf4\u6682\u65f6\u8fd8\u6ca1\u6709\u9700\u8981\u4f7f\u7528\uff1b\u53e6\u5916\u4e00\u79cd\u5c31\u662f\u7c7b\u4f3c\u4e8eLVS<\/span>\/HAProxy\u3001Nginx<\/span>\u7684\u57fa\u4e8eLinux<\/span>\u7684\u5f00\u6e90<\/span>\u514d\u8d39\u7684\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u7b56\u7565,\u8fd9\u4e9b\u90fd\u662f\u901a\u8fc7\u8f6f\u4ef6\u7ea7\u522b\u6765\u5b9e\u73b0\uff0c\u6240\u4ee5\u8d39\u7528\u975e\u5e38\u4f4e\u5ec9\uff0c\u6240\u4ee5\u6211\u4e2a\u4e5f\u6bd4\u8f83\u63a8\u8350\u5927\u5bb6\u91c7\u7528\u7b2c\u4e8c\u79cd\u65b9\u6848\u6765\u5b9e\u65bd\u81ea\u5df1\u7f51\u7ad9\u7684\u8d1f\u8f7d\u5747\u8861\u9700\u6c42\u3002<\/p>\n

\u8fd1\u671f\u670b\u53cb\u7684\u9879\u76ee\u6210\u529f\u4e0a\u7ebf\u4e86\uff0cPV\u8fbe\u5230\u4e86\u4ebf\u7ea7\/\u65e5\u7684\u8bbf\u95ee\u91cf\uff0c\u6700\u524d\u7aef\u7528\u7684\u662fHAProxy+Keepalived\u53cc\u673a\u4f5c\u7684\u8d1f\u8f7d\u5747\u8861\u5668\/\u53cd\u5411\u4ee3\u7406\uff0c\u6574\u4e2a\u7f51\u7ad9\u975e\u5e38\u7a33\u5b9a\uff1b\u8fd9\u8ba9\u6211\u66f4\u575a\u5b9a\u4e86\u4ee5\u524d\u8ddf\u8001\u7537\u5b69\u524d\u8f88\u804a\u7684\u5173\u4e8e\u7f51\u7ad9\u67b6\u6784\u6bd4\u8f83\u5408\u7406\u8bbe\u8ba1\u7684\u67b6\u6784\u65b9\u6848\uff1a\u5373Nginx\/HAProxy+Keepalived\u4f5cWeb<\/span>\u6700\u524d\u7aef\u7684\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u540e\u7aef\u7684MySQL<\/span>\u6570\u636e\u5e93<\/span>\u67b6\u6784\u91c7\u7528\u4e00\u4e3b\u591a\u4ece\uff0c\u8bfb\u5199\u5206\u79bb\u7684\u65b9\u5f0f\uff0c\u91c7\u7528LVS+Keepalived\u7684\u65b9\u5f0f\u3002<\/p>\n

\u5728\u8fd9\u91cc\u6211\u4e5f\u6709\u4e00\u70b9\u8981\u8ddf\u5927\u5bb6\u7533\u660e\u4e0b\uff1a\u5f88\u591a\u670b\u53cb\u62c5\u5fc3\u8f6f\u4ef6\u7ea7\u522b\u7684\u8d1f\u8f7d\u5747\u8861\u5728\u9ad8\u5e76\u53d1\u6d41\u91cf\u51b2\u51fb\u4e0b\u7684\u7a33\u5b9a\u60c5\u51b5\uff0c\u4e8b\u5b9e\u662f\u6211\u4eec\u901a\u8fc7\u6210\u529f\u4e0a\u7ebf\u7684\u8bb8\u591a\u7f51\u7ad9\u53d1\u73b0\uff0c\u5b83\u4eec\u7684\u7a33\u5b9a\u6027\u4e5f\u662f\u975e\u5e38\u597d\u7684\uff0c\u5b95\u673a<\/span>\u7684\u53ef\u80fd\u6027\u5fae\u4e4e\u5176\u5fae\uff0c\u6240\u4ee5\u6211\u73b0\u5728\u505a\u7684\u9879\u76ee\uff0c\u57fa\u672c\u4e0a\u6ca1\u8003\u8651\u670d\u52a1\u7ea7\u522b\u7684\u9ad8\u53ef\u7528\u4e86\u3002\u76f8\u4fe1\u5927\u5bb6\u5bf9\u8fd9\u4e9b\u8f6f\u4ef6\u7ea7\u522b\u7684\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u90fd\u5df2\u7ecf\u6709\u4e86\u5f88\u6df1\u7684\u7684\u8ba4\u8bc6\uff0c\u4e0b\u9762\u6211\u5c31\u5b83\u4eec\u7684\u7279\u70b9\u548c\u9002\u7528\u573a\u5408\u5206\u522b\u8bf4\u660e\u4e0b\u3002<\/p>\n

LVS\uff1a\u4f7f\u7528\u96c6\u7fa4\u6280\u672f\u548cLinux\u64cd\u4f5c\u7cfb\u7edf<\/span>\u5b9e\u73b0\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u7684\u670d\u52a1\u5668<\/span>\uff0c\u5b83\u5177\u6709\u5f88\u597d\u7684\u53ef\u4f38\u7f29\u6027\uff08Scalability)\u3001\u53ef\u9760\u6027\uff08Reliability)\u548c\u53ef\u7ba1\u7406\u6027\uff08Manageability)\uff0c\u611f\u8c22\u7ae0\u6587\u5d69\u535a\u58eb\u4e3a\u6211\u4eec\u63d0\u4f9b\u5982\u6b64\u5f3a\u5927\u5b9e\u7528\u7684\u5f00\u6e90\u8f6f\u4ef6\u3002<\/p>\n

LVS\u7684\u7279\u70b9\u662f\uff1a
<\/strong><\/p>\n

    \n
  1. \u6297\u8d1f\u8f7d\u80fd\u529b\u5f3a\u3001\u662f\u5de5\u4f5c\u5728\u7f51\u7edc4\u5c42\u4e4b\u4e0a\u4ec5\u4f5c\u5206\u53d1\u4e4b\u7528\uff0c\u6ca1\u6709\u6d41\u91cf\u7684\u4ea7\u751f\uff0c\u8fd9\u4e2a\u7279\u70b9\u4e5f\u51b3\u5b9a\u4e86\u5b83\u5728\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u91cc\u7684\u6027\u80fd\u6700\u5f3a\u7684\uff1b<\/li>\n
  2. \u914d\u7f6e\u6027\u6bd4\u8f83\u4f4e\uff0c\u8fd9\u662f\u4e00\u4e2a\u7f3a\u70b9\u4e5f\u662f\u4e00\u4e2a\u4f18\u70b9\uff0c\u56e0\u4e3a\u6ca1\u6709\u53ef\u592a\u591a\u914d\u7f6e\u7684\u4e1c\u897f\uff0c\u6240\u4ee5\u5e76\u4e0d\u9700\u8981\u592a\u591a\u63a5\u89e6\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u4eba\u4e3a\u51fa\u9519\u7684\u51e0\u7387\uff1b<\/li>\n
  3. \u5de5\u4f5c\u7a33\u5b9a\uff0c\u81ea\u8eab\u6709\u5b8c\u6574\u7684\u53cc\u673a\u70ed\u5907\u65b9\u6848\uff0c\u5982LVS+Keepalived\u548cLVS+Heartbeat<\/span>\uff0c\u4e0d\u8fc7\u6211\u4eec\u5728\u9879\u76ee\u5b9e\u65bd\u4e2d\u7528\u5f97\u6700\u591a\u7684\u8fd8\u662fLVS\/DR+Keepalived\uff1b<\/li>\n
  4. \u65e0\u6d41\u91cf\uff0c\u4fdd\u8bc1\u4e86\u5747\u8861\u5668IO<\/span>\u7684\u6027\u80fd\u4e0d\u4f1a\u6536\u5230\u5927\u6d41\u91cf\u7684\u5f71\u54cd\uff1b<\/li>\n
  5. \u5e94\u7528\u8303\u56f4\u6bd4\u8f83\u5e7f\uff0c\u53ef\u4ee5\u5bf9\u6240\u6709\u5e94\u7528\u505a\u8d1f\u8f7d\u5747\u8861\uff1b<\/li>\n
  6. \u8f6f\u4ef6\u672c\u8eab\u4e0d\u652f\u6301\u6b63\u5219\u5904\u7406\uff0c\u4e0d\u80fd\u505a\u52a8\u9759\u5206\u79bb\uff0c\u8fd9\u4e2a\u5c31\u6bd4\u8f83\u9057\u61be\u4e86\uff1b\u5176\u5b9e\u73b0\u5728\u8bb8\u591a\u7f51\u7ad9\u5728\u8fd9\u65b9\u9762\u90fd\u6709\u8f83\u5f3a\u7684\u9700\u6c42\uff0c\u8fd9\u4e2a\u662fNginx\/HAProxy+Keepalived\u7684\u4f18\u52bf\u6240\u5728\u3002<\/li>\n
  7. \u5982\u679c\u662f\u7f51\u7ad9\u5e94\u7528\u6bd4\u8f83\u5e9e\u5927\u7684\u8bdd\uff0c\u5b9e\u65bdLVS\/DR+Keepalived\u8d77\u6765\u5c31\u6bd4\u8f83\u590d\u6742\u4e86\uff0c\u7279\u522b\u540e\u9762\u6709Windows<\/span> Server\u5e94\u7528\u7684\u673a\u5668\u7684\u8bdd\uff0c\u5982\u679c\u5b9e\u65bd\u53ca\u914d\u7f6e\u8fd8\u6709\u7ef4\u62a4\u8fc7\u7a0b\u5c31\u6bd4\u8f83\u590d\u6742\u4e86\uff0c\u76f8\u5bf9\u800c\u8a00\uff0cNginx\/HAProxy+Keepalived\u5c31\u7b80\u5355\u591a\u4e86\u3002<\/li>\n<\/ol>\n

    Nginx\u7684\u7279\u70b9\u662f\uff1a
    <\/strong><\/p>\n

      \n
    1. \u5de5\u4f5c\u5728\u7f51\u7edc\u76847\u5c42\u4e4b\u4e0a\uff0c\u53ef\u4ee5\u9488\u5bf9http\u5e94\u7528\u505a\u4e00\u4e9b\u5206\u6d41\u7684\u7b56\u7565\uff0c\u6bd4\u5982\u9488\u5bf9\u57df\u540d\u3001\u76ee\u5f55\u7ed3\u6784\uff0c\u5b83\u7684\u6b63\u5219\u89c4\u5219\u6bd4HAProxy\u66f4\u4e3a\u5f3a\u5927\u548c\u7075\u6d3b\uff0c\u8fd9\u4e5f\u662f\u8bb8\u591a\u670b\u53cb\u559c\u6b22\u5b83\u7684\u539f\u56e0\u4e4b\u4e00\uff1b<\/li>\n
    2. Nginx\u5bf9\u7f51\u7edc\u7684\u4f9d\u8d56\u975e\u5e38\u5c0f\uff0c\u7406\u8bba\u4e0a\u80fdping\u901a\u5c31\u5c31\u80fd\u8fdb\u884c\u8d1f\u8f7d\u529f\u80fd\uff0c\u8fd9\u4e2a\u4e5f\u662f\u5b83\u7684\u4f18\u52bf\u6240\u5728\uff1b<\/li>\n
    3. Nginx\u5b89\u88c5\u548c\u914d\u7f6e\u6bd4\u8f83\u7b80\u5355\uff0c\u6d4b\u8bd5\u8d77\u6765\u6bd4\u8f83\u65b9\u4fbf\uff1b<\/li>\n
    4. \u4e5f\u53ef\u4ee5\u627f\u62c5\u9ad8\u7684\u8d1f\u8f7d\u538b\u529b\u4e14\u7a33\u5b9a\uff0c\u4e00\u822c\u80fd\u652f\u6491\u8d85\u8fc7\u51e0\u4e07\u6b21\u7684\u5e76\u53d1\u91cf\uff1b<\/li>\n
    5. Nginx\u53ef\u4ee5\u901a\u8fc7\u7aef\u53e3\u68c0\u6d4b\u5230\u670d\u52a1\u5668\u5185\u90e8\u7684\u6545\u969c\uff0c\u6bd4\u5982\u6839\u636e\u670d\u52a1\u5668\u5904\u7406\u7f51\u9875\u8fd4\u56de\u7684\u72b6\u6001\u7801\u3001\u8d85\u65f6\u7b49\u7b49\uff0c\u5e76\u4e14\u4f1a\u628a\u8fd4\u56de\u9519\u8bef\u7684\u8bf7\u6c42\u91cd\u65b0\u63d0\u4ea4\u5230\u53e6\u4e00\u4e2a\u8282\u70b9\uff0c\u4e0d\u8fc7\u5176\u4e2d\u7f3a\u70b9\u5c31\u662f\u4e0d\u652f\u6301url\u6765\u68c0\u6d4b\uff1b<\/li>\n
    6. Nginx\u4ec5\u80fd\u652f\u6301http\u548cEmail\uff0c\u8fd9\u6837\u5c31\u5728\u9002\u7528\u8303\u56f4\u4e0a\u9762\u5c0f\u5f88\u591a\uff0c\u8fd9\u4e2a\u5b83\u7684\u5f31\u52bf\uff1b<\/li>\n
    7. Nginx\u4e0d\u4ec5\u4ec5\u662f\u4e00\u6b3e\u4f18\u79c0\u7684\u8d1f\u8f7d\u5747\u8861\u5668\/\u53cd\u5411\u4ee3\u7406\u8f6f\u4ef6\uff0c\u5b83\u540c\u65f6\u4e5f\u662f\u529f\u80fd\u5f3a\u5927\u7684Web\u5e94\u7528\u670d\u52a1\u5668\u3002LNMP<\/span>\u73b0\u5728\u4e5f\u662f\u975e\u5e38\u6d41\u884c\u7684web\u67b6\u6784\uff0c\u5927\u6709\u548c\u4ee5\u524d\u6700\u6d41\u884c\u7684LAMP<\/span>\u67b6\u6784\u5206\u5ead\u6297\u4e89\u4e4b\u52bf\uff0c\u5728\u9ad8\u6d41\u91cf\u7684\u73af\u5883\u4e2d\u4e5f\u6709\u5f88\u597d\u7684\u6548\u679c\u3002<\/li>\n
    8. Nginx\u73b0\u5728\u4f5c\u4e3aWeb\u53cd\u5411\u52a0\u901f\u7f13\u5b58\u8d8a\u6765\u8d8a\u6210\u719f\u4e86\uff0c\u5f88\u591a\u670b\u53cb\u90fd\u5df2\u5728\u751f\u4ea7\u73af\u5883\u4e0b\u6295\u5165\u751f\u4ea7\u4e86\uff0c\u800c\u4e14\u53cd\u6620\u6548\u679c\u4e0d\u9519\uff0c\u901f\u5ea6\u6bd4\u4f20\u7edf\u7684Squid\u670d\u52a1\u5668\u66f4\u5feb\uff0c\u6709\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u8003\u8651\u7528\u5176\u4f5c\u4e3a\u53cd\u5411\u4ee3\u7406\u52a0\u901f\u5668\u3002<\/li>\n<\/ol>\n

      HAProxy\u7684\u7279\u70b9\u662f\uff1a
      <\/strong><\/p>\n

        \n
      1. HAProxy\u662f\u652f\u6301\u865a\u62df\u4e3b\u673a\u7684\uff0c\u4ee5\u524d\u6709\u670b\u53cb\u8bf4\u8fd9\u4e2a\u4e0d\u652f\u6301\u865a\u62df\u4e3b\u673a\uff0c\u6211\u8fd9\u91cc\u7279\u6b64\u66f4\u6b63\u4e00\u4e0b\u3002<\/li>\n
      2. \u80fd\u591f\u8865\u5145Nginx\u7684\u4e00\u4e9b\u7f3a\u70b9\u6bd4\u5982Session\u7684\u4fdd\u6301\uff0cCookie\u7684\u5f15\u5bfc\u7b49\u5de5\u4f5c<\/li>\n
      3. \u652f\u6301url\u68c0\u6d4b\u540e\u7aef\u7684\u670d\u52a1\u5668\u51fa\u95ee\u9898\u7684\u68c0\u6d4b\u4f1a\u6709\u5f88\u597d\u7684\u5e2e\u52a9\u3002<\/li>\n
      4. \u5b83\u8ddfLVS\u4e00\u6837\uff0c\u672c\u8eab\u4ec5\u4ec5\u5c31\u53ea\u662f\u4e00\u6b3e\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\uff1b\u5355\u7eaf\u4ece\u6548\u7387\u4e0a\u6765\u8bb2HAProxy\u66f4\u4f1a\u6bd4Nginx\u6709\u66f4\u51fa\u8272\u7684\u8d1f\u8f7d\u5747\u8861\u901f\u5ea6\uff0c\u5728\u5e76\u53d1\u5904\u7406\u4e0a\u4e5f\u662f\u4f18\u4e8eNginx\u7684\u3002<\/li>\n
      5. HAProxy\u53ef\u4ee5\u5bf9Mysql\u8bfb\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\uff0c\u5bf9\u540e\u7aef\u7684MySQL\u8282\u70b9\u8fdb\u884c\u68c0\u6d4b\u548c\u8d1f\u8f7d\u5747\u8861\uff0c\u4e0d\u8fc7\u5728\u540e\u7aef\u7684MySQL slaves\u6570\u91cf\u8d85\u8fc710\u53f0\u65f6\u6027\u80fd\u4e0d\u5982LVS\uff0c\u6240\u4ee5\u6211\u5411\u5927\u5bb6\u63a8\u8350LVS+Keepalived\u3002<\/li>\n
      6. HAProxy\u7684\u7b97\u6cd5\u73b0\u5728\u4e5f\u8d8a\u6765\u8d8a\u591a\u4e86\uff0c\u5177\u4f53\u6709\u5982\u4e0b8\u79cd\uff1a
        \u2460 roundrobin\uff0c\u8868\u793a\u7b80\u5355\u7684\u8f6e\u8be2\uff0c\u8fd9\u4e2a\u4e0d\u591a\u8bf4\uff0c\u8fd9\u4e2a\u662f\u8d1f\u8f7d\u5747\u8861\u57fa\u672c\u90fd\u5177\u5907\u7684\uff1b
        \u2461 static-rr\uff0c\u8868\u793a\u6839\u636e\u6743\u91cd\uff0c\u5efa\u8bae\u5173\u6ce8\uff1b
        \u2462 leastconn\uff0c\u8868\u793a\u6700\u5c11\u8fde\u63a5\u8005\u5148\u5904\u7406\uff0c\u5efa\u8bae\u5173\u6ce8\uff1b
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        \u2465 rl_param\uff0c\u8868\u793a\u6839\u636e\u8bf7\u6c42\u7684URl\u53c2\u6570’balance url_param’ requires an URL parameter name\uff1b
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        \u539f\u6587\uff1ahttp:\/\/www.linuxde.net\/2011\/12\/3867.html<\/span><\/span><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"

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