{"id":6332,"date":"2025-08-09T10:43:07","date_gmt":"2025-08-09T02:43:07","guid":{"rendered":"https:\/\/www.killtest.hk\/?p=6332"},"modified":"2025-08-09T10:43:07","modified_gmt":"2025-08-09T02:43:07","slug":"gfs%e7%b6%93%e5%85%b8%e8%a8%ad%e8%a8%88%ef%bc%8c%e7%b5%a6%e4%ba%86%e6%88%91%e5%80%91%e5%93%aa%e4%ba%9b%e6%9e%b6%e6%a7%8b%e5%95%9f%e7%a4%ba%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.killtest.hk\/index.php\/killtest\/gfs%e7%b6%93%e5%85%b8%e8%a8%ad%e8%a8%88%ef%bc%8c%e7%b5%a6%e4%ba%86%e6%88%91%e5%80%91%e5%93%aa%e4%ba%9b%e6%9e%b6%e6%a7%8b%e5%95%9f%e7%a4%ba%ef%bc%9f\/","title":{"rendered":"GFS\u7d93\u5178\u8a2d\u8a08\uff0c\u7d66\u4e86\u6211\u5011\u54ea\u4e9b\u67b6\u69cb\u555f\u793a\uff1f"},"content":{"rendered":"\n

\u539f\u521b \u6c88\u5251 \u67b6\u6784\u5e08\u4e4b\u8def
\u5de5\u7a0b\u67b6\u69cb\uff0cGoogle\u4e43\u5148\u9a45\u3002\u5176GFS\uff08Google File System\uff09\u6709\u54ea\u4e9b\u512a\u79c0\u7684\u67b6\u69cb\u8a2d\u8a08\u9ede\uff0c\u503c\u5f97\u6211\u5011\u5b78\u7fd2\u501f\u93e1\u5462\uff1f
GFS\u662f\u4ec0\u9ebc\uff1f
Google<\/a>\u65e9\u671f\u7814\u767c\u7684\u5206\u6563\u5f0f\u6a94\u6848\u7cfb\u7d71\u3002
GFS\u7684\u8a2d\u8a08\u76ee\u6a19\u662f\u4ec0\u9ebc\uff1f
\u4e3b\u8981\u6709\u56db\u500b\u76ee\u6a19\uff1a
1. \u00a0\u9ad8\u53ef\u7528\uff08availability\uff09\uff1b
2. \u00a0\u9ad8\u53ef\u9760\uff08reliability\uff09\uff1b
3. \u00a0\u9ad8\u7e3e\u6548\uff08performance\uff09\uff1b
4. \u00a0\u53ef\u64f4\u5c55\uff08scalability\uff09\uff1b
GFS\u5c0d\u5916\u63d0\u4f9b\u4ec0\u9ebc\u4ecb\u9762\uff1f
\u6587\u4ef6\u5275\u5efa\uff0c\u522a\u9664\uff0c\u6253\u958b\uff0c\u95dc\u9589\uff0c\u8b80\uff0c\u5beb\uff0c\u5feb\u7167\u3002\u756b\u5916\u97f3\uff1a\u9664\u4e86\u5feb\u7167\uff0c\u4ecb\u9762\u548c\u55ae\u6a5f\u6a94\u6848\u7cfb\u7d71\u5dee\u4e0d\u591a\u3002
\u5feb\u7167\u5176\u5be6\u662f\u5feb\u901f\u6587\u4ef6\u76ee\u9304\u6a39\u7684\u62f7\u8c9d\uff0c\u4e26\u4e0d\u662f\u6240\u6709\u6587\u4ef6\u7684\u5feb\u7167\u3002
GFS\u80fd\u5920\u6210\u70ba\u5206\u6563\u5f0f\u67b6\u69cb\u7684\u7d93\u5178\u6848\u4f8b\uff0c\u539f\u56e0\u4e4b\u4e00\uff0c\u5c31\u662f\u4ecb\u9762\u7c21\u55ae\uff0c\u4f46\u53cd\u6620\u7684\u67b6\u69cb\u7406\u5ff5\u4e0d\u7c21\u55ae\u3002
GFS\u7684\u7cfb\u7d71\u67b6\u69cb\u5982\u4f55\uff1f\u7cfb\u7d71\u88e1\u53ea\u6709\u6a94\u6848\u5ba2\u6236\u7aef\uff0c\u4e3b\u4f3a\u670d\u5668\uff0c\u5132\u5b58\u4f3a\u670d\u5668\u4e09\u500b\u89d2\u8272\u3002
<\/p>\n\n\n\n

\"\"<\/a><\/figure>\n\n\n\n

\u5982\u4e0a\u5716\uff1a1. \u5ba2\u6236\u7aef\uff08GFS client\uff09\uff0c\u662f\u4ee5\u5eab\u7684\u5f62\u5f0f\u63d0\u4f9b\u7684\uff0c\u63d0\u4f9b\u7684\u5c31\u662f\u5c0d\u5916\u8981\u7528\u7684\u63a5\u53e3\uff1b2. \u4e3b\u4f3a\u670d\u5668\uff08GFS master\uff09\uff0c\u662f\u55ae\u9ede\uff0c\u5b58\u5132\u6587\u4ef6\u4fe1\u606f\uff0c\u76ee\u9304\u4fe1\u606f\uff0c\u6587\u4ef6\u670d\u52d9\u5668\u4fe1\u606f\uff0c\u90a3\u500b\u6587\u4ef6\u5b58\u5728\u54ea\u4e9b\u6587\u4ef6\u670d\u52d9\u5668\u4e0a\u7b49\u5143\u6578\u64da\uff1b3.3.3\u9ede\u5b58\u5132\u6587\u4ef6\u4fe1\u606f\uff0c
\u70ba\u4ec0\u9ebc\u8981\u8a2d\u8a08\u55ae\u9edemaster\uff1f\u55ae\u9edemaster\u610f\u5473\u8457\u6709\u4e00\u500b\u7bc0\u9ede\u53ef\u4ee5\u907f\u514d\u5206\u6563\u5f0f\u9396\uff0c\u53ef\u4ee5\u64c1\u6709\u5168\u57df\u8996\u91ce\uff0c\u80fd\u5920\u7d71\u4e00\u8abf\u5ea6\u8207\u76e3\u63a7\uff0c\u7cfb\u7d71\u6574\u9ad4\u8907\u96dc\u5ea6\u964d\u4f4e\u5f88\u591a\u3002\u756b\u5916\u97f3\uff1a\u9396\u53ef\u4ee5\u964d\u7d1a\u6210\u672c\u5730\u9396\uff0c\u5206\u6563\u5f0f\u8abf\u5ea6\u53ef\u4ee5\u964d\u7d1a\u70ba\u55ae\u9ede\u8abf\u5ea6\u3002
\u66f4\u5177\u9ad4\u7684\uff1a1. master\u64c1\u6709\u6240\u6709\u6587\u4ef6\u76ee\u9304\u7d50\u69cb\uff0c\u8981\u64cd\u4f5c\u67d0\u500b\u6587\u4ef6\uff0c\u5fc5\u9808\u7372\u5f97\u76f8\u61c9\u7684\u9396\uff1b\u756b\u5916\u97f3\uff1a\u4e00\u822c\u60c5\u6cc1\u4e0b\uff0c\u4e0d\u6703\u5c0d\u540c\u4e00\u500b\u7db2\u9801\u9032\u884c\u4e26\u767c\u5beb\u64cd\u4f5c\uff0c\u61c9\u7528\u5834\u666f\u6c7a\u5b9a\u9396\u885d\u7a81\u5176\u5be6\u4e0d\u5927\uff1b2. master\u64c1\u6709\u5168\u57df\u8996\u91ce\uff0c\u80fd\u5920\u907f\u514d\u6b7b\u9396\uff1b3. master\u77e5\u9053chunk-server\u7684\u4fe1\u606f\uff0c\u80fd\u5920\u5f88\u5bb9\u6613\u76e3\u63a7\u7684\u505a\u8ca0\u8f09\uff1b master\u77e5\u9053\u6240\u6709\u6587\u4ef6\u7684\u526f\u672c\u5206\u4f48\u8a0a\u606f\uff0c\u80fd\u5920\u5f88\u5bb9\u6613\u7684\u505a\u6587\u4ef6\u5927\u5c0f\u7684\u8ca0\u8f09\u5e73\u8861\uff1b\u756b\u5916\u97f3\uff1a\u8ca0\u8f09\u5e73\u8861\u5206\u70ba\u8acb\u6c42\u91cf\u7684\u5747\u8861\uff0c\u6587\u4ef6\u5132\u5b58\u7684\u5bb9\u91cf\u5747\u8861\u3002
GFS\u7684\u9ad8\u53ef\u7528\u662f\u600e\u9ebc\u4fdd\u8b49\u7684\uff1f\u9ad8\u53ef\u7528\u53c8\u5206\u70ba\u670d\u52d9\u9ad8\u53ef\u7528\uff0c\u6587\u4ef6\u5132\u5b58\u9ad8\u53ef\u7528\uff0c\u5747\u900f\u904e\u300c\u5197\u9918+\u81ea\u52d5\u6545\u969c\u8f49\u79fb\u300d\u7684\u601d\u8def\u4f86\u5be6\u73fe\u3002 1. master\u9ad8\u53ef\u7528\uff1a\u5197\u9918\u4e86\u4e00\u53f0\u5f71\u5b50master\uff0c\u5e73\u6642\u4e0d\u5de5\u4f5c\uff0cmaster\u639b\u4e86\u5de5\u4f5c\uff0c\u4ee5\u4fdd\u8b49master\u7684\u9ad8\u53ef\u7528\uff1b\u756b\u5916\u97f3\uff1amaster\u8cc7\u6e90\u5229\u7528\u7387\u53ea\u670950%\u3002 2. chunk-server\u9ad8\u53ef\u7528\uff1a\u672c\u8eab\u662f\u96c6\u7fa4\uff0c\u5197\u9918\u670d\u52d9\uff1b\u756b\u5916\u97f3\uff1a\u7576\u6709chunk-server\u639b\u6389\uff0cmaster\u80fd\u5075\u6e2c\u5230\uff0c\u4e26\u4e14\u77e5\u9053\u54ea\u4e9b\u6a94\u6848\u5132\u5b58\u5728chunk-server\u4e0a\uff0c\u5c31\u53ef\u4ee5\u555f\u52d5\u65b0\u7684\u5be6\u4f8b\uff0c\u4e26\u8907\u88fd\u76f8\u95dc\u6a94\u6848\u3002 3. \u6587\u4ef6\u5b58\u653e\u9ad8\u53ef\u7528\uff1a\u6bcf\u4e00\u4efd\u6587\u4ef6\u6703\u5b58\u4e09\u4efd\uff0c\u5197\u9918\u6587\u4ef6\uff1b
GFS\u7684\u9ad8\u6548\u80fd\u662f\u600e\u9ebc\u4fdd\u8b49\u7684\uff1f\u591a\u500bchunk-server\u53ef\u4ee5\u900f\u904e\u7dda\u6027\u64f4\u5145\u63d0\u5347\u8655\u7406\u80fd\u529b\u548c\u5132\u5b58\u7a7a\u9593\uff0cGFS\u7684\u6f5b\u5728\u74f6\u9838\u662f\u55ae\u9edemaster\uff0c\u6240\u4ee5GFS\u8981\u60f3\u9054\u5230\u8d85\u9ad8\u6548\u80fd\uff0c\u4e3b\u8981\u67b6\u69cb\u6700\u4f73\u5316\u60f3\u6cd5\u5728\u65bc\uff0c\u300c\u63d0\u5347master\u6548\u80fd\uff0c\u6e1b\u5c11\u8207master\u4e92\u52d5\u300d\u3002<\/p>\n\n\n\n

    \n
  1. \u53ea\u5132\u5b58\u5143\u6578\u64da\uff0c\u4e0d\u5132\u5b58\u6a94\u6848\u6578\u64da\uff0c\u4e0d\u8b93\u78c1\u789f\u5bb9\u91cf\u6210\u70bamaster\u74f6\u9838\uff1b<\/li>\n\n\n\n
  2. \u5143\u8cc7\u6599\u6703\u5132\u5b58\u5728\u78c1\u789f\u548c\u8a18\u61b6\u9ad4\u88e1\uff0c\u4e0d\u8b93\u78c1\u789fIO\u6210\u70bamaster\u74f6\u9838\uff1b<\/li>\n\n\n\n
  3. \u5143\u8cc7\u6599\u5927\u5c0f\u8a18\u61b6\u9ad4\u5b8c\u5168\u80fd\u88dd\u5f97\u4e0b\uff0c\u4e0d\u8b93\u8a18\u61b6\u9ad4\u5bb9\u91cf\u6210\u70bamaster\u74f6\u9838\uff1b\u6240\u6709\u8cc7\u6599\u6d41\uff0c\u8cc7\u6599\u7de9\u5b58\uff0c\u53ef\u8d70\u9060\uff0c\u8cc7\u6599\u5feb\u53d6\uff0c\u6210\u70bamaster\u74f6\u9838\uff1b<\/li>\n\n\n\n
  4. \u5143\u8cc7\u6599\u53ef\u4ee5\u5feb\u53d6\u5728\u5ba2\u6236\u7aef\uff0c\u6bcf\u6b21\u5f9e\u5ba2\u6236\u7aef\u672c\u5730\u5feb\u53d6\u5b58\u53d6\u5143\u6578\u64da\uff0c\u53ea\u6709\u5143\u8cc7\u6599\u4e0d\u6e96\u78ba\u7684\u6642\u5019\uff0c\u624d\u6703\u5b58\u53d6master\uff0c\u4e0d\u8b93CPU\u6210\u70ba\u6210\u70bamaster\u74f6\u9838\uff1b
    \u7576\u7136\uff0cchunk-server\u96d6\u7136\u6709\u591a\u500b\uff0c\u4e5f\u6703\u900f\u904e\u4e00\u4e9b\u624b\u6bb5\u63d0\u5347chunk-server\u7684\u6548\u80fd\uff0c\u4f8b\u5982\uff1a1. \u6a94\u6848\u5340\u584a\u4f7f\u752864M\uff0c\u907f\u514d\u592a\u591a\u788e\u7247\u964d\u4f4e\u6548\u80fd\uff1b2. \u4f7f\u7528\u8ffd\u52a0\u5beb\uff0c\u800c\u4e0d\u662f\u96a8\u6a5f\u5beb\uff0c\u63d0\u5347\u6548\u80fd\uff1b3. \u4f7f\u7528TCP\u9577\u9023\u63a5\uff0c\u63d0\u5347\u6548\u80fd\uff1b
    GFS\u5982\u4f55\u4fdd\u8b49\u7cfb\u7d71\u53ef\u9760\u5ea6\uff1f\u4fdd\u8b49\u5143\u8cc7\u6599\u8207\u6587\u4ef6\u8cc7\u6599\u7684\u53ef\u9760\u6027\uff0cGFS\u4f7f\u7528\u4e86\u8a31\u591a\u975e\u5e38\u7d93\u5178\u7684\u624b\u6bb5\u3002 1. \u5143\u8cc7\u6599\u7684\u8b8a\u66f4\uff0c\u6703\u5148\u5beb\u65e5\u8a8c\uff0c\u4ee5\u78ba\u4fdd\u4e0d\u6703\u907a\u5931\uff1b\u756b\u5916\u97f3\uff1a\u65e5\u8a8c\u4e5f\u6703\u5197\u9918\uff0c\u5177\u5099\u9ad8\u53ef\u7528\u3002 2. master\u6703\u8f2a\u8a62\u63a2\u6e2cchunk-server\u7684\u5b58\u6d3b\u6027\uff0c\u4fdd\u8b49\u6709chunk-server\u5931\u6548\u6642\uff0cchunk-server\u7684\u72c0\u614b\u662f\u6e96\u78ba\u7684\uff1b\u756b\u5916\u97f3\uff1a\u6a94\u6848\u6703\u5b58\u591a\u4efd\uff0c\u77ed\u6642\u9593\u5167chunk-server\u639b\u6389\u662f\u4e0d\u5f71\u97ff\u7684\u3002 3. \u5143\u8cc7\u6599\u7684\u4fee\u6539\u662f\u539f\u5b50\u7684\uff0c\u7531master\u63a7\u5236\uff0cmaster\u5fc5\u9808\u4fdd\u8b49\u5143\u8cc7\u6599\u4fee\u6539\u7684\u9806\u5e8f\u6027\uff1b4. \u6a94\u6848\u7684\u6b63\u78ba\u6027\uff0c\u900f\u904echecksum\u4fdd\u8b49\uff1b5. \u76e3\u63a7\uff0c\u5feb\u901f\u767c\u73fe\u554f\u984c\uff1b
    \u8b80\u53d6\u64cd\u4f5c\u7684\u6838\u5fc3\u6d41\u7a0b\uff1f\u6587\u4ef6\u8b80\u53d6\u662f\u6700\u9ad8\u983b\u7684\u64cd\u4f5c\u3002 1. client\u8b80\u672c\u6a5f\u7de9\u5b58\uff0c\u770b\u6a94\u6848\u5728\u54ea\u4e9bchunk-server\u4e0a\uff1b2. \u5982\u679cclient\u672c\u6a5f\u5feb\u53d6miss\uff0c\u8a62\u554fmaster\u6587\u4ef6\u6240\u5728\u4f4d\u7f6e\uff0c\u4e26\u66f4\u65b0\u672c\u6a5f\u5feb\u53d6\uff1b3. \u5f9e\u4e00\u500bchunk-server\u88e1\u8b80\u6587\u4ef6\uff0c\u5982\u679c\u8b80\u53d6\u5230\uff0c\u5c31\u56de\u50b3\uff1b
    \u5beb\u5165\u64cd\u4f5c\u7684\u6838\u5fc3\u6d41\u7a0b\uff1f\u5beb\u5165\u64cd\u4f5c\u6703\u8907\u96dc\u5f88\u591a\u3002
    \u70ba\u4e86\u78ba\u4fdd\u8cc7\u6599\u9ad8\u53ef\u7528\uff0c\u8cc7\u6599\u5fc5\u9808\u5728\u591a\u500bchunk-server\u4e0a\u5beb\u5165\u591a\u500b\u526f\u672c\uff0c\u9996\u5148\u8981\u89e3\u6c7a\u7684\u554f\u984c\u662f\uff0c\u5982\u4f55\u4fdd\u8b49\u591a\u500bchunk-server\u4e0a\u7684\u8cc7\u6599\u662f\u4e00\u81f4\u7684\u5462\uff1f
    \u60f3\u60f3\u4e00\u500bMySQL\u53e2\u96c6\u7684\u591a\u500bMySQL\u5be6\u4f8b\uff0c\u662f\u5982\u4f55\u4fdd\u8b49\u591a\u500b\u5be6\u4f8b\u7684\u8cc7\u6599\u4e00\u81f4\u6027\u7684\u3002 bingo\uff01\u78ba\u5b9a\u4e00\u500b\u4e3b\u5be6\u4f8b\uff0c\u4e32\u884c\u5316\u6240\u6709\u5beb\u5165\u64cd\u4f5c\uff0c\u7136\u5f8c\u5728\u5176\u4ed6\u5be6\u4f8b\u91cd\u64ad\u76f8\u540c\u7684\u64cd\u4f5c\u5e8f\u5217\uff0c\u4ee5\u78ba\u4fdd\u591a\u500b\u5be6\u4f8b\u8cc7\u6599\u7684\u4e00\u81f4\u6027\u3002
    GFS\u4e5f\u63a1\u7528\u4e86\u985e\u4f3c\u7684\u7b56\u7565\uff0c\u4e00\u500b\u6a94\u6848\u5197\u99183\u4efd\uff0c\u5b58\u57283\u500bchunk-server\u4e0a\uff0c\u5982\u4e0b\u5716\u6b65\u9a5f1-7\uff1a<\/li>\n<\/ol>\n\n\n\n
    \"\"<\/a><\/figure>\n\n\n\n
      \n
    1. client\u5b58\u53d6master\uff0c\u8981\u767c\u8d77\u6587\u4ef6\u5beb\u5165\u64cd\u4f5c\uff1b\u756b\u5916\u97f3\uff1a\u5047\u8a2dclient\u672c\u5730\u5feb\u53d6\u672a\u751f\u6548\uff1bmaster\u56de\u50b3\u8cc7\u6599\u5132\u5b58\u5728ABC\u4e09\u500b\u5be6\u4f8b\u4e0a\uff0c\u4e14\u544a\u4e4b\u5176\u4e2d\u4e00\u500b\u5be6\u4f8b\u662f\u4e3bchunk-server\uff1b<\/li>\n\n\n\n
    2. client\u5c07\u8cc7\u6599\u6d41\u50b3\u905e\u7d66\u6240\u6709chunk-server\uff1b<\/li>\n\n\n\n
    3. client\u5c07\u63a7\u5236\u6d41\u7522\u5730\u7d66\u4e3bchunk-unk-1<\/li>\n\n\n\n
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