{"id":47070,"date":"2023-05-16T04:39:58","date_gmt":"2023-05-10T18:35:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%98%85%e8%af%bb%e4%ba%86%e3%80%8a%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e5%ba%94%e7%94%a8%e8%ae%be%e8%ae%a1%e3%80%8b%e7%ac%ac%e4%b8%89%e9%83%a8%e5%88%86%ef%bc%88%e5%af%bc%e5%87%ba%e6%95%b0%e6%8d%ae\/"},"modified":"2024-04-30T04:22:32","modified_gmt":"2024-04-29T20:22:32","slug":"%e9%98%85%e8%af%bb%e4%ba%86%e3%80%8a%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e5%ba%94%e7%94%a8%e8%ae%be%e8%ae%a1%e3%80%8b%e7%ac%ac%e4%b8%89%e9%83%a8%e5%88%86%ef%bc%88%e5%af%bc%e5%87%ba%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%98%85%e8%af%bb%e4%ba%86%e3%80%8a%e6%95%b0%e6%8d%ae%e9%a9%b1%e5%8a%a8%e5%ba%94%e7%94%a8%e8%ae%be%e8%ae%a1%e3%80%8b%e7%ac%ac%e4%b8%89%e9%83%a8%e5%88%86%ef%bc%88%e5%af%bc%e5%87%ba%e6%95%b0%e6%8d%ae\/","title":{"rendered":"\u9605\u8bfb\u4e86\u300a\u6570\u636e\u9a71\u52a8\u5e94\u7528\u8bbe\u8ba1\u300b\u7b2c\u4e09\u90e8\u5206\uff08\u5bfc\u51fa\u6570\u636e\uff09"},"content":{"rendered":"<p>\u56e0\u4e3a\u6211\u8bfb\u8fc7\u4e86\uff0c\u6240\u4ee5\u6211\u4f1a\u7559\u4e0b\u4e00\u4e9b\u4e2a\u4eba\u7b14\u8bb0\u3002<br \/>\n\u8fd9\u4e9b\u7b14\u8bb0\u5e76\u4e0d\u8be6\u5c3d\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">1~4\u7ae0\u300c\u30c7\u30fc\u30bf\u6307\u5411\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30b6\u30a4\u30f3\u300d\u7b2c I \u90e8 (\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u790e) \u3092\u8aad\u3093\u3060<\/ul>\n<\/li>\n<\/ul>\n<p>5~9\u7ae0\u300c\u30c7\u30fc\u30bf\u6307\u5411\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30b6\u30a4\u30f3\u300d\u7b2c II \u90e8 (\u5206\u6563\u30c7\u30fc\u30bf) \u3092\u8aad\u3093\u3060<\/p>\n<p>? 10~12\u7ae0\u300c\u30c7\u30fc\u30bf\u6307\u5411\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30c7\u30b6\u30a4\u30f3\u300d\u7b2c III \u90e8 (\u5c0e\u51fa\u30c7\u30fc\u30bf) \u3092\u8aad\u3093\u3060<\/p>\n<hr \/>\n<p>\u5728\u7b2c\u2162\u90e8\uff0c\u6211\u4eec\u5c06\u5408\u5e76\u591a\u4e2a\u6570\u636e\u7cfb\u7edf\u7fa4\uff0c\u4ee5\u9a8c\u8bc1\u5728\u521b\u5efa\u4e00\u81f4\u7684\u5e94\u7528\u7a0b\u5e8f\u67b6\u6784\u65f6\u4f1a\u9762\u4e34\u7684\u95ee\u9898\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ad\u30e3\u30c3\u30b7\u30e5<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5206\u6790\u30b7\u30b9\u30c6\u30e0<\/ul>\n<p>\u6570\u636e\u5b58\u50a8\u548c\u5904\u7406\u7cfb\u7edf\u53ef\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8a18\u9332\u306e\u30b7\u30b9\u30c6\u30e0 (Systems of record)<\/ul>\n<\/li>\n<\/ul>\n<p>source of truth<br \/>\n\u6b63\u898f\u5316\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u5c0e\u5165\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0<\/p>\n<p>= \u4ed6\u306e\u65e2\u5b58\u30c7\u30fc\u30bf\u3092\u5909\u63db\u30fb\u51e6\u7406\u3057\u3066\u5f97\u3089\u308c\u305f\u7d50\u679c\u3002<br \/>\n\u4f8b\u3048\u3070\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u975e\u6b63\u898f\u5316\u3055\u308c\u305f\u5024\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u30de\u30c6\u30ea\u30a2\u30e9\u30a4\u30ba\u30c9\u30d3\u30e5\u30fc\u3002<br \/>\n\u4f8b\u3048\u3070\u8aad\u307f\u53d6\u308a\u306e\u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u826f\u304f\u3059\u308b\u3002<\/p>\n<h1>\u7b2c10\u7ae0\u7684\u6279\u5904\u7406<\/h1>\n<p>\u5728\u672c\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bbaMapReduce\u4ee5\u53ca\u4e00\u4e9b\u6279\u5904\u7406\u7b97\u6cd5\u548c\u6846\u67b6\u3002<\/p>\n<h2>\u4f7f\u7528UNIX\u5de5\u5177\u8fdb\u884c\u6279\u5904\u7406\u7684\u6bd4\u8f83\u53c2\u8003<\/h2>\n<p>\u5c06awk\u3001sed\u3001grep\u3001sort\u3001uniq\u3001xargs\u7b49\u547d\u4ee4\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<p>\u56e0\u4e3a\u5728\u547d\u4ee4\u7684\u94fe\u5f0f\u64cd\u4f5c\u4e0b\uff0c\u4f8b\u5982\u53ef\u4ee5\u975e\u5e38\u5bb9\u6613\u5730\u5206\u6790\u65e5\u5fd7\u6587\u4ef6\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e00\u69d8\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>\u5165\u529b\u3001\u51fa\u529b\u3068\u3082\u306b\u30d5\u30a1\u30a4\u30eb\u30c7\u30a3\u30b9\u30af\u30ea\u30d7\u30bf<\/p>\n<p>\u30ed\u30b8\u30c3\u30af\u3068\u7d50\u7dda\u306e\u5206\u96e2<\/p>\n<p>\uff1d \u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5165\u529b\u304c\u3069\u3053\u304b\u3089\u6765\u3066\u3069\u3053\u3078\u884c\u304f\u306e\u304b\u6c17\u306b\u3057\u306a\u3044<br \/>\n\u5fc5\u8981\u306a\u306e\u306fstdin\u304b\u3089\u5165\u529b\u3092\u8aad\u307f\u8fbc\u307f\u3001stdout\u3078\u66f8\u304d\u51fa\u3059\u3053\u3068<\/p>\n<p>\u900f\u904e\u6027\u304c\u3042\u308a\u5b9f\u9a13\u3057\u3084\u3059\u3044<\/p>\n<p>Unix\u30b3\u30de\u30f3\u30c9\u3078\u306e\u5165\u529b\u30d5\u30a1\u30a4\u30eb\u306f\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb(\u66f8\u304d\u63db\u3048\u3089\u308c\u306a\u3044)<br \/>\n\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u3092\u597d\u304d\u306a\u5834\u6240\u3067\u7d42\u308f\u3089\u305b\u3066less\u306b\u30d1\u30a4\u30d7\u3057\u3066\u51fa\u529b\u3092\u78ba\u8a8d\u3067\u304d\u308b<\/p>\n<h2>MapReduce\u662f\u4e00\u79cd\u6570\u636e\u5904\u7406\u6a21\u578b\u548c\u7f16\u7a0b\u6846\u67b6\u3002<\/h2>\n<p>Unix\u5de5\u5177\u7ec4\u7684\u6700\u5927\u9650\u5236\u662f\u5b83\u4eec\u53ea\u80fd\u5728\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c\u3002<\/p>\n<p>\u4f7f\u7528\u7c7b\u4f3cHadoop\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5c06\u5176\u6269\u5c55\u5230\u591a\u53f0\u8ba1\u7b97\u673a\u4e0a\u3002<\/p>\n<p>\u622a\u81f32019\u5e74\uff0c\u6700\u5927\u7684HDFS\u73af\u5883\u5728\u6570\u4e07\u53f0\u673a\u5668\u4e0a\u8fd0\u884c\uff0c\u603b\u5b58\u50a8\u5bb9\u91cf\u4e3a\u6570\u767e\u4e2a\u62cd\u5b57\u8282\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\uff11\u3064\u306eMapReduce\u30b8\u30e7\u30d6 = \uff11\u3064\u306emapper\u51e6\u7406 -&gt;\uff11\u3064\u306ereduce\u51e6\u7406<\/ul>\n<\/li>\n<\/ul>\n<p>mapper\u51e6\u7406\u306e\u30bf\u30b9\u30af\u6570\uff1d\u5165\u529b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u30d5\u30a1\u30a4\u30eb\u30d6\u30ed\u30c3\u30af\u6570<br \/>\nreducer\u51e6\u7406\u306e\u30bf\u30b9\u30af\u6570\uff1d\u30b8\u30e7\u30d6\u306e\u4f5c\u6210\u8005\u304c\u8a2d\u5b9a<\/p>\n<p>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570(mapper, reducer)\u306f\u72b6\u614b\u3092\u6301\u305f\u305a\u3001\u6307\u5b9a\u3055\u308c\u305f\u51fa\u529b\u4ee5\u5916\u306b\u526f\u4f5c\u7528\u3092\u5916\u90e8\u306b\u53ca\u307c\u3055\u306a\u3044<\/p>\n<p>\uff1dMapReduce\u30b8\u30e7\u30d6\u306e\u5b9f\u884c\u306f\u3001\u51fa\u529b\u751f\u6210\u4ee5\u5916\u306e\u526f\u4f5c\u7528\u306f\u306a\u3044<br \/>\n\uff1d\u30bf\u30b9\u30af\u3092\u30ea\u30c8\u30e9\u30a4\u3057\u3066\u3082\u3001\u30b8\u30e7\u30d6\u306e\u6700\u7d42\u51fa\u529b\u306f\u30d5\u30a9\u30fc\u30eb\u30c8\u304c\u751f\u3058\u306a\u304b\u3063\u305f\u5834\u5408\u3068\u540c\u3058\u306b\u306a\u308b<br \/>\n?\ufe0f\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u30b8\u30e7\u30d6\u30b3\u30fc\u30c9\u3067\u8010\u969c\u5bb3\u6027\u306e\u305f\u3081\u306e\u4ed5\u7d44\u307f\u306e\u5b9f\u88c5\u3092\u6c17\u306b\u3057\u306a\u304f\u3066\u826f\u3044<br \/>\n\u307e\u305f\u3001\u30d0\u30c3\u30c1\u51e6\u7406\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3082\u5bb9\u6613\u306b\u306a\u308b<\/p>\n<p>MapReduce\u30b8\u30e7\u30d6\u306f\u3001\u5206\u6563\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b<\/p>\n<p>Hadoop\u3067\u306f\u3001HDFS\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u30b8\u30e7\u30d6\u306e\u5165\u529b\u3002\u305d\u306e\u5404\u30d5\u30a1\u30a4\u30eb\/\u30d5\u30a1\u30a4\u30eb\u30d6\u30ed\u30c3\u30af\u304c\u500b\u5225\u306emap\u30bf\u30b9\u30af\u3067\u51e6\u7406\u3055\u308c\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3002<br \/>\nHDFS\u3067\u306f\u3001\u306f\u30cd\u30fc\u30e0\u30ce\u30fc\u30c9(\u4e2d\u592e\u30b5\u30fc\u30d0\u30fc)\u304c\u5404\u30de\u30b7\u30f3\u306e\u30c7\u30fc\u30e2\u30f3\u30d7\u30ed\u30bb\u30b9\u3092\u7ba1\u7406<\/p>\n<p>\u8010\u969c\u5bb3\u6027\u306e\u305f\u3081\u306b\u3001\u30d5\u30a1\u30a4\u30eb\u30d6\u30ed\u30c3\u30af\u306f\u8907\u6570\u30de\u30b7\u30f3\u306b\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3055\u308c\u308b<br \/>\n\u30b8\u30e7\u30d6\u306e\u5b9f\u884c\u306f<\/p>\n<p>\u5165\u529b\u30d5\u30a1\u30a4\u30eb\u7fa4\u3092\u30ec\u30b3\u30fc\u30c9\u306b\u5206\u5272\u3059\u308b<br \/>\nmapper\u95a2\u6570\u3092\u547c\u3073\u3001\u5404\u5165\u529b\u30ec\u30b3\u30fc\u30c9\u3092\u30ad\u30fc\u30d0\u30ea\u30e5\u30fc\u30da\u30a2(\u8907\u6570\u30ad\u30fc\u3082\u53ef\u80fd)\u306b\u5909\u63db\u3059\u308b\u3002<br \/>\nreducer\u95a2\u6570\u306b\u3088\u308a\u3001\u30bd\u30fc\u30c8\u9806\u3092\u4fdd\u3061\u306a\u304c\u3089\u305d\u308c\u3089\u3092\u30bd\u30fc\u30c8\u3059\u308b\u3002<br \/>\nmapper\u95a2\u6570\u306e\u51fa\u529b\u304creducer\u95a2\u6570\u306e\u5165\u529b\u306b\u6e21\u3055\u308c\u308b\u5834\u5408\u3001\u6697\u9ed9\u306e\u3046\u3061\u306b\u30bd\u30fc\u30c8\u3055\u308c\u308b\u3002\u3053\u308c\u306f(#mapper, #reducer)=(3, 2)\u306e\u5834\u5408\u3001\u4ee5\u4e0b\u3067\u5b9f\u73fe\u3055\u308c\u308b\u3002<\/p>\n<p>mapper\u306e\u51fa\u529b\u306fm1, m2, m3\u30ce\u30fc\u30c9\u306e\u305d\u308c\u305e\u308c\u306e\u30c7\u30a3\u30b9\u30af\u4e0a\u3067\u3001[r1, r2] \u306b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30cb\u30f3\u30b0\u3055\u308c\u308b\u3002\u3053\u308c\u306b\u306f\u30ad\u30fc\u306e\u30cf\u30c3\u30b7\u30e5\u5024\u3092\u5229\u7528\u3002<br \/>\nmapper\u306e\u51fa\u529b\u5b8c\u4e86\u5f8c\u306b\u3001\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u304c\u5404reducer\u7fa4\u306b\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u306e\u30d5\u30a7\u30c1\u304c\u53ef\u80fd\u306b\u306a\u3063\u305f\u3053\u3068\u3092\u4f1d\u9054\u3059\u308b\u3002<br \/>\nreducer\u306f\u5404m1, m2, m3\u30ce\u30fc\u30c9\u306e\u305d\u308c\u305e\u308c\u304b\u3089\u3001\u81ea\u5206\u306e\u30ce\u30fc\u30c9\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u76f8\u5f53\u3059\u308b\u51fa\u529b\u3092\u53d6\u5f97\u3059\u308b\u3002<\/p>\n<p>\u30b8\u30e7\u30d6\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u660e\u793a\u7684\u306b\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u30b9\u30b1\u30b8\u30e5\u30fc\u30e9\u30fc(Luigi, Airflow, Pinball, etc)\u304c\u4f7f\u7528\u3067\u304d\u308b\u3002<\/p>\n<p>\u5728\u5de5\u4f5c\u6d41\u7a0b\u4e2d\uff0c\u6709\u65f6\u5019\u5e0c\u671b\u5bf9\u4e8b\u5b9e\u8868\uff08\u4f8b\u5982\uff0c\u70b9\u51fb\u4e8b\u4ef6\uff09\u7684\u6bcf\u6761\u8bb0\u5f55\u8fdb\u884c\u8fde\u63a5\uff0c\u4ee5\u627e\u5230\u4e0e\u4e4b\u76f8\u5173\u7684\u7ef4\u5ea6\u8868\uff08\u4f8b\u5982\uff0c\u7528\u6237\uff09\u7684\u8bb0\u5f55\uff0c\u5e76\u5f97\u51fa\u6709\u4ef7\u503c\u7684\u7ed3\u679c\u3002<\/p>\n<p>\u4f5c\u4e3aJOIN\u7684\u65b9\u6cd5\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">reducer\u5074\u3067\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>ETL\u3092\u4f7f\u7528\u3057\u3066dimension\u30c6\u30fc\u30d6\u30eb\u306e\u30b3\u30d4\u30fc\u3092fact table\u3068\u540c\u3058\u5206\u6563\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u4e0a\u306b\u304a\u304f\u3002<br \/>\n\u30bd\u30fc\u30c8\u30de\u30fc\u30b8\u7d50\u5408<\/p>\n<p>\u3053\u308c\u306f\u300c\u540c\u3058\u30ad\u30fc\u3092\u6301\u3064\u30ec\u30b3\u30fc\u30c9\u3092\u540c\u3058\u5834\u6240\u306b\u6301\u3063\u3066\u304f\u308b\u300d\u30d1\u30bf\u30fc\u30f3?<br \/>\nmapper1\u3067fact table\u306e\u30ec\u30b3\u30fc\u30c9\u304c\u51e6\u7406\u5f8c\u3001JOIN\u3057\u305f\u3044\u30ad\u30fc\u306b\u3088\u3063\u3066\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3059\u308b<br \/>\nmapper2\u3067dimension table\u306e\u30ec\u30b3\u30fc\u30c9\u3092mapper1\u3068\u540c\u3058\u30ad\u30fc\u3067\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3059\u308b<br \/>\n?\ufe0f reducer\u3067\u306f\u3001(key\u306e\u9806\u756a, \u305d\u308c\u306b\u5bfe\u5fdc\u3059\u308bdimension record -&gt; fact records) \u306e\u9806\u756a\u306b\u30bd\u30fc\u30c8\u3055\u308c\u308b\u3002\uff1dsecondary sort\u3002\u3053\u308c\u306b\u3088\u308areducer\u306f\u5358\u4e00\u30ce\u30fc\u30c9\u4e0a\u3067JOIN\u306e\u30ed\u30b8\u30c3\u30af\u3092\u5bb9\u6613\u304f\u5b9f\u884c\u3067\u304d\u308b\u3002<\/p>\n<p>mapper\u5074\u3067\u884c\u3046<\/p>\n<p>\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30cf\u30c3\u30b7\u30e5\u7d50\u5408<\/p>\n<p>mapper\u306e\u307f\u4f7f\u7528\u3001reducer\u306f\u4f7f\u308f\u306a\u3044<br \/>\n\u305d\u308c\u305e\u308c\u306emapper\u304c\u8d77\u52d5\u6642\u306b\u3001JOIN\u5bfe\u8c61\u306edimension table\u3092\u30a4\u30f3\u30e1\u30e2\u30ea\u306e\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u306b\u30ed\u30fc\u30c9\u3059\u308b\u3002\u3053\u308c\u3092\u4f7f\u3044mapper\u306e\u51e6\u7406\u306e\u306a\u304b\u3067JOIN\u3092\u884c\u3046\u3002<br \/>\ndimension table\u304c\u3001\u5404\u30e1\u30e2\u30ea\u306e\u30e1\u30e2\u30ea\u306b\u53ce\u307e\u308b\u304f\u3089\u3044\u5c0f\u898f\u6a21\u306a\u5834\u5408\u306b\u4f7f\u7528\u53ef\u80fd<\/p>\n<p>\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5316\u30cf\u30c3\u30b7\u30e5\u7d50\u5408<\/p>\n<p>\u5165\u529b\u306e\u6642\u70b9\u3067dimension table\u306e\u30ec\u30b3\u30fc\u30c9\u7fa4\u3068\u3001fact table\u306e\u30ec\u30b3\u30fc\u30c9\u7fa4\u3092\u3001\u540c\u3058\u30ad\u30fc\u3067\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3059\u308b<br \/>\n-&gt; join\u3057\u305f\u3044\u30ec\u30b3\u30fc\u30c9\u7fa4\u306f\u5168\u3066\u540c\u3058\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5185\u306b\u3042\u308b<br \/>\n\u3044\u305a\u308c\u304b\u306e\u30ec\u30b3\u30fc\u30c9\u7fa4\u3092\u30cf\u30c3\u30b7\u30e5\u3068\u3057\u3066\u30e1\u30e2\u30ea\u4e0a\u306b\u4fdd\u6301\u3059\u308b<\/p>\n<p>map\u5074\u30de\u30fc\u30b8\u7d50\u5408<\/p>\n<p>\u2191\u3067\u3001\u540c\u4e00\u30ad\u30fc\u306b\u3088\u308b\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5316\u306e\u307f\u306a\u3089\u305a\u3001\u305d\u306e\u30ad\u30fc\u5185\u3067\u306e\u30bd\u30fc\u30c8\u3082\u884c\u308f\u308c\u308b\u3002<br \/>\n\u30de\u30fc\u30b8\u30bd\u30fc\u30c8\u3092\u5229\u7528\u3067\u304d\u308b\u306e\u3067\u3001\u3044\u305a\u308c\u306e\u30ec\u30b3\u30fc\u30c9\u7fa4\u3082\u30e1\u30e2\u30ea\u306b\u30ed\u30fc\u30c9\u3057\u306a\u304f\u3066\u3082\u6e08\u3080<\/p>\n<p>\u26a0\ufe0f\u5728&#8221;\u5c06\u5177\u6709\u76f8\u540c\u952e\u7684\u8bb0\u5f55\u653e\u7f6e\u5728\u540c\u4e00\u4f4d\u7f6e?&#8221;\u6a21\u5f0f\u4e0b\uff0c\u53ef\u80fd\u4f1a\u4ea7\u751f\u504f\u659c\uff08\u5373\u70ed\u70b9\uff09\u3002<\/p>\n<p>\u4f5c\u4e3a\u8fd9\u9879\u7f13\u89e3\u63aa\u65bd<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">skewed join\u30e1\u30bd\u30c3\u30c9(Pig\u306a\u3069)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">2\u30b9\u30c6\u30fc\u30b8\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u884c\u3046(Hive\u306a\u3069)<\/ul>\n<p>? \u624b\u5de5\u5236\u4f5c\u5de5\u4f5c\u6d41\u7a0b\u7684\u8f93\u51fa\u793a\u4f8b<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u7528\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9(\u6614\u306eGoogle)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a5f\u68b0\u5b66\u7fd2\u30b7\u30b9\u30c6\u30e0\u306eclassifier<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u30b7\u30b9\u30c6\u30e0<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306f\u30d0\u30c3\u30c1\u30b8\u30e7\u30d6\u3067\u5185\u90e8\u4f5c\u6210\u3057\u305f\u30c7\u30fc\u30bf\u30d5\u30a1\u30a4\u30eb\u306b\u66f8\u304d\u8fbc\u307f -&gt; \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u8aad\u307f\u53d6\u308a\u5c02\u7528\u306eDB\u3078\u30d0\u30eb\u30af\u30ed\u30fc\u30c9\u3059\u3079\u3057\u3002<\/p>\n<p>\u6548\u80fd\u66f4\u9ad8\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u591a\u69d8\u6027<\/ul>\n<\/li>\n<\/ul>\n<p>Hadoop\u3067\u306f\u4e8b\u524d\u306b\u6c7a\u3081\u305f\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u306b\u5f93\u3046\u5fc5\u8981\u306f\u306a\u3044\u3002<\/p>\n<p>\u51e6\u7406\u30e2\u30c7\u30eb\u306e\u591a\u69d8\u6027<\/p>\n<p>\uff1d\u81ea\u5206\u306e\u4f5c\u6210\u3057\u305f\u30b3\u30fc\u30c9\u3092\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306b\u5bfe\u3057\u3066\u5bb9\u6613\u306b\u5b9f\u884c\u3067\u304d\u308b\u67d4\u8edf\u6027\u304c\u3042\u308b\u3002<\/p>\n<p>\u969c\u5bb3\u5bfe\u7b56\u306b\u654f\u611f\u3067\u306a\u3044<\/p>\n<p>\u526f\u4f5c\u7528\u304c\u306a\u3044\u305f\u3081\u3001\u500b\u3005\u306e\u30bf\u30b9\u30af\u306e\u7c92\u5ea6\u3067\u51e6\u7406\u306e\u30ea\u30c8\u30e9\u30a4\u304c\u53ef\u80fd\u3067\u3042\u308b\u305f\u3081<\/p>\n<p>\u975e\u5e38\u306b\u983b\u7e41\u306b\u30c7\u30a3\u30b9\u30af\u66f8\u304d\u8fbc\u307f\u304c\u884c\u308f\u308c\u308b<\/p>\n<p>\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u30e1\u30e2\u30ea\u306b\u53ce\u3081\u308b\u306b\u306f\u5927\u304d\u3059\u304e\u308b\u305f\u3081<\/p>\n<p>(Java\u306a\u3069)\u8a00\u8a9e\u306e\u65e2\u5b58\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5229\u7528\u3057\u4efb\u610f\u306e\u30b3\u30fc\u30c9\u3067\u51e6\u7406\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b<\/p>\n<p>?MapReduce\u5b9e\u4f53\u5316\u4e2d\u95f4\u8f93\u51fa\uff08\u5373\u5c06\u5176\u5199\u5165\u6587\u4ef6\uff09\u3002\u7531\u4e8e\u9700\u8981\u7b49\u5f85\u6240\u6709\u5148\u524d\u4f5c\u4e1a\u7684\u4efb\u52a1\u5168\u90e8\u5b8c\u6210\uff0c\u56e0\u6b64\u5de5\u4f5c\u6d41\u7684\u6267\u884c\u901f\u5ea6\u4f1a\u964d\u4f4e\u3002\u800cUnix\u7ba1\u9053\u5219\u901a\u8fc7\u4f7f\u7528\u5185\u5b58\u7f13\u51b2\u533a\uff0c\u9010\u6b65\u5730\u8fdb\u884c\u6d41\u5f0f\u5904\u7406\u800c\u4e0d\u5b8c\u5168\u5b9e\u4f53\u5316\u4e2d\u95f4\u72b6\u6001\u3002<\/p>\n<p>\u8fd9\u4e9b\u95ee\u9898\u5728\u6570\u636e\u6d41\u5f15\u64ce\uff08\u5982Hadoop\u4e0a\u7684Spark\u3001Tez\u3001Flink\u7b49\uff09\u4e2d\u5f97\u5230\u4e86\u89e3\u51b3\uff0c\u800c\u4e14\u901f\u5ea6\u5f88\u5feb\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">mapper, reducer\u306e\u4ee3\u308f\u308a\u306boperator\u3092\u6307\u5b9a\u3059\u308b -&gt; \u51e6\u7406\u3092\u67d4\u8edf\u306b\u66f8\u3051\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">map\u3068reduce\u306e\u30b9\u30c6\u30fc\u30b8\u9593\u3067\u884c\u308f\u308c\u3066\u3044\u305f\u8ca0\u8377\u306e\u9ad8\u3044\u30bd\u30fc\u30c8\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u884c\u308f\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5185\u306e\u5168\u3066\u306eJOIN\u3068\u30c7\u30fc\u30bf\u306e\u4f9d\u5b58\u95a2\u4fc2\u306f\u660e\u793a\u7684\u306b\u793a\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30aa\u30da\u30ec\u30fc\u30bf\u9593\u306e\u4e2d\u9593\u72b6\u614b\u306f\u30e1\u30e2\u30ea\u304b\u30ed\u30fc\u30ab\u30eb\u306e\u30c7\u30a3\u30b9\u30af\u306b\u4fdd\u5b58\u3055\u308c\u308b\u3002HDFS\u3078\u306f\u66f8\u304d\u8fbc\u307e\u306a\u3044<\/ul>\n<\/li>\n<\/ul>\n<p>\u969c\u5bb3\u767a\u751f\u306b\u3088\u308a\u4e2d\u9593\u30c7\u30fc\u30bf\u3092\u55aa\u5931\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u518d\u8a08\u7b97\u3092\u884c\u3046\u3002(\u8a08\u7b97\u7d50\u679c\u306b\u30e9\u30f3\u30c0\u30e0\u6027\u304c\u306a\u304f\u6c7a\u5b9a\u7684\u3067\u3042\u308b\u3053\u3068\u304c\u5fc5\u8981)<br \/>\n\u305f\u3060\u3057\u3001\u6700\u521d\u306e\u5165\u529b\u3068\u6700\u7d42\u7684\u306a\u51fa\u529b\u5148\u306fHDFS\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u4f7f\u7528Pig\u3001Hive\u6216Cascading\u5b9e\u73b0\u7684\u5de5\u4f5c\u6d41\u53ef\u4ee5\u901a\u8fc7\u4ec5\u4ec5\u4fee\u6539\u7b80\u5355\u7684\u914d\u7f6e\u800c\u65e0\u9700\u4fee\u6539\u4ee3\u7801\uff0c\u5b9e\u73b0\u4eceMapReduce\u8f6c\u6362\u5230Tez\u6216Spark\u7684\u5207\u6362\u3002<\/p>\n<p>\u7528Pregel\u6a21\u578b\u6765\u5e76\u884c\u5316\uff08\u5373\u9012\u5f52\u5904\u7406\uff09\u56fe\u7b97\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Apache Giraph\u3001Spark\u7684GraphX API\u4ee5\u53caFlink\u7684Gelly API\u6765\u5b9e\u73b0\u3002<\/p>\n<p>Hive\u548cPresto\u90fd\u662f\u5728Hadoop\u4e0a\u8fd0\u884c\u7684\u67e5\u8be2\u5f15\u64ce\u3002\u4f60\u53ef\u4ee5\u5c06orc\u548cperquet\u6587\u4ef6\u4f5c\u4e3a\u67e5\u8be2\u7684\u76ee\u6807\u683c\u5f0f\u8fdb\u884c\u6307\u5b9a\u3002<\/p>\n<h1>\u7b2c11\u7ae0 \u6d41\u5f0f\u5904\u7406<\/h1>\n<p>\u6279\u5904\u7406\u9002\u7528\u4e8e\u6709\u9650\u7684\u8f93\u5165\u6570\u636e\uff1b\u800c\u6d41\u5904\u7406\u9002\u7528\u4e8e\u65e0\u9650\u7684\u8f93\u5165\u6570\u636e\u3002<\/p>\n<p>\u5728\u6d41\u5904\u7406\u4e2d\uff0c\u4f1a\u9891\u7e41\u6267\u884c\u5904\u7406\u64cd\u4f5c\uff08\u4f8b\u5982\u6bcf\u79d2\u4e00\u6b21\uff09\uff0c\u5e76\u4e14\u4f1a\u8fde\u7eed\u8fdb\u884c\u64cd\u4f5c\uff0c\u6bcf\u5f53\u4e8b\u4ef6\u53d1\u751f\u65f6\u3002<\/p>\n<p>\u5728\u6d41\u5a92\u4f53\u4e2d\uff0c\u751f\u6210\u548c\u6d88\u8d39\u7531\u591a\u4e2a\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u7ec4\u6210\u7684\u53d1\u5e03\/\u8ba2\u9605\u6a21\u578b\u662f\u9002\u7528\u7684\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Producer\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u901f\u5ea6\u306bConsumer\u306e\u6d88\u8cbb\u901f\u5ea6\u304c\u8ffd\u3044\u4ed8\u304b\u306a\u3044\u5834\u5408\u306e\u5bfe\u7b56\u306f<\/ul>\n<\/li>\n<\/ul>\n<p>\u30b7\u30b9\u30c6\u30e0\u304c\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30c9\u30ed\u30c3\u30d7\u3059\u308b<br \/>\n\u30ad\u30e5\u30fc\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u3059\u308b = \u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30fc\u30ab\u30fc<br \/>\n\u30d0\u30c3\u30af\u30d7\u30ec\u30c3\u30b7\u30e3\u30fc\u306b\u3088\u308a\u30d5\u30ed\u30fc\u5236\u5fa1\u3092\u884c\u3046(\u4f8b\u3048\u3070Producer\u304c\u9001\u4fe1\u3092\u884c\u3048\u306a\u3044\u3088\u3046\u30d6\u30ed\u30c3\u30af\u3059\u308b)<\/p>\n<p>\u8010\u969c\u5bb3\u6027\u304c\u5fc5\u8981\u304b\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5f37\u304f\u4f9d\u5b58\u3059\u308b\u3002\u5fc5\u8981\u306a\u5834\u5408\u3001<\/p>\n<p>\u30d7\u30ed\u30c7\u30e5\u30fc\u30b5\u30fc\u304b\u3089\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u3078\u76f4\u63a5\u30e1\u30c3\u30bb\u30fc\u30b8\u30f3\u30b0\u3059\u308b\u3002\u65b9\u6cd5\u3068\u3057\u3066\u306f<\/p>\n<p>UDP\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u3092\u4f7f\u7528\u3059\u308b<br \/>\nWebhook\u3068\u3057\u3066Producer\u304cConsumer\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046<br \/>\nConsumer\u304cProsucer\u3078\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u884c\u3046<\/p>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30fc\u30ab\u3092\u4f7f\u7528\u3059\u308b<\/p>\n<p>\uff1d\u30e1\u30c3\u30bb\u30fc\u30b8\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6271\u3044\u306b\u6700\u9069\u5316\u3055\u308c\u305fDB<\/p>\n<h2>\u6d88\u606f\u4ee3\u7406\u5bf9\u4e8e\u6d41\u5f0f\u5904\u7406\u975e\u5e38\u6709\u7528\u3002<\/h2>\n<p>\u6d88\u606f\u4ee3\u7406\u5668\u662f\u4e00\u79cd\u8f6f\u4ef6\u6216\u670d\u52a1\uff0c\u7528\u4e8e\u5728\u4e0d\u540c\u5e94\u7528\u7a0b\u5e8f\u548c\u7cfb\u7edf\u4e4b\u95f4\u4f20\u9012\u548c\u4f20\u9012\u6d88\u606f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6c38\u7d9a\u6027\u306e\u554f\u984c\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u5f15\u304d\u5265\u304c\u3057\u62c5\u5f53\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u306e\u51e6\u7406\u3092\u975e\u540c\u671f\u306b\u3067\u304d\u308b<\/ul>\n<p>\u4ee5\u4e0b\u662f\u5bf9\u6d88\u606f\u4ee3\u7406\u7684\u8bf4\u660e\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u65e7\u6765\u578b\u306eJMS\/AMQP\u6a19\u6e96\u306e\u30d6\u30ed\u30fc\u30ab\u30fc<\/ul>\n<\/li>\n<\/ul>\n<p>\u65b0\u3057\u3044\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u53d7\u4fe1\u6642\u3001\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u3078\u901a\u77e5\u3059\u308b -&gt; \u30b3\u30f3\u30b7\u30e5\u30de\u30fc\u304c\u51e6\u7406\u3092\u5b8c\u4e86\u3057\u627f\u8a8d(ack)\u3092\u9001\u4fe1 -&gt; \u30d6\u30ed\u30fc\u30ab\u30fc\u306f\u305d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u524a\u9664\u3059\u308b<\/p>\n<p>= push\u578b\uff1f<br \/>\n?\u30d6\u30ed\u30fc\u30ab\u30fc\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u81ea\u52d5\u7684\u306b\u524a\u9664\u3059\u308b\u306e\u3067\u30ad\u30e5\u30fc\u306f\u77ed\u3044\u524d\u63d0\u3002<\/p>\n<p>\u25c9\u30e1\u30e2\u30ea\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u7fa4\u304c\u53ce\u307e\u3089\u306a\u3044\u5834\u5408\u306b\u306e\u307f\u30c7\u30a3\u30b9\u30af\u306b\u66f8\u304d\u51fa\u3059<br \/>\n\u540c\u4e00\u30c8\u30d4\u30c3\u30af\u3092\u8aad\u307f\u53d6\u308b\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u4e8c\u3064\u7d39\u4ecb\u3059\u308b\u3002<\/p>\n<p>\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0<\/p>\n<p>\u4e00\u3064\u306e\u51e6\u7406\u3092\u4e26\u5217\u5316\u3067\u304d\u308b<\/p>\n<p>\u30d5\u30a1\u30f3\u30a2\u30a6\u30c8<\/p>\n<p>\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306e\u51e6\u7406\u306f\u72ec\u7acb\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u30d6\u30ed\u30fc\u30ab\u30fc\u306f\u627f\u8a8d\u3092\u5f97\u3089\u308c\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u4ed6\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u306b\u305d\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u518d\u9001\u4fe1\u3059\u308b<\/p>\n<p>?\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3067\u518d\u9001\u4fe1\u304c\u884c\u308f\u308c\u308b\u3068\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9806\u5e8f\u304c\u5165\u308c\u66ff\u308f\u308b\u3053\u3068\u304c\u3042\u308b?<\/p>\n<p>\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u306e\u8ca0\u62c5\u304c\u5927\u304d\u3044\u304b\u3082\u3057\u308c\u305a(\u306a\u305c\uff1f)\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u5358\u4f4d\u3067\u51e6\u7406\u3092\u4e26\u5217\u5316\u3057\u305f\u304f(\u30ed\u30b0\u30d9\u30fc\u30b9\u3067\u3082\u53ef\u80fd\u3067\u306f\uff1f)\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9806\u756a\u306f\u305d\u308c\u307b\u3069\u91cd\u8981\u3067\u306a\u3044\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u308b<br \/>\ne.g. RabbitMQ, ActiveMQ, Google Cloud Pub\/Sub\u306a\u3069\u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b<\/p>\n<p>\u30ed\u30b0\u30d9\u30fc\u30b9\u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30fc\u30ab\u30fc<\/p>\n<p>\u25c9\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u30ed\u30b0\u3068\u3057\u3066\u66f8\u304d\u51fa\u3055\u308c\u308b<br \/>\n\u30ed\u30b0\u3092\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5316\u3059\u308b\u3053\u3068\u3067\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u3092\u9ad8\u3081\u3089\u308c\u308b\u3002(\u6570\u767e\u4e07\u30e1\u30c3\u30bb\u30fc\u30b8\u6bce\u79d2\u307e\u3067)<\/p>\n<p>\u30d6\u30ed\u30fc\u30ab\u30fc\u304c\u5404\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5185\u3067\u5358\u8abf\u5897\u52a0\u3059\u308b\u30b7\u30fc\u30b1\u30f3\u30b9\u756a\u53f7\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u632f\u308a\u5f53\u3066\u308b\u3002\u5404\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306f\u30aa\u30d5\u30bb\u30c3\u30c8\u3068\u3057\u3066\u3053\u308c\u3092\u4fdd\u6301\u3059\u308b\u3002(\u4e00\u3064\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u8907\u6570\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u304b\u3089\u8aad\u307f\u53d6\u308b\u3053\u3068\u3082\u3042\u308b)<br \/>\n?\u5358\u4e00\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u5185\u3067\u306f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9806\u5e8f\u304c\u4fdd\u8a3c\u3055\u308c\u308b?<br \/>\n\u30d6\u30ed\u30fc\u30ab\u30fc\u306f\u5404\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u30b0\u30eb\u30fc\u30d7\u3078\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30d5\u30a1\u30f3\u30a2\u30a6\u30c8\u3057\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u5185\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u305f\u3061(\uff11\u30b9\u30ec\u30c3\u30c9\uff11\u30af\u30e9\u30a4\u30a2\u30f3\u30c8)\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u30ed\u30fc\u30c9\u30d0\u30e9\u30f3\u30b7\u30f3\u30b0\u3067\u304d\u308b\u3002<\/p>\n<p>\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u30fc\u306f\u51e6\u7406\u6e08\u307f\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u3092\u524d\u9032\u3055\u305b\u3066\u3069\u3053\u307e\u3067\u8aad\u307f\u53d6\u3063\u305f\u304b\u3092\u7ba1\u7406\u3059\u308b<br \/>\n\u30ed\u30b0\u306f\u30ea\u30f3\u30b0\u30d0\u30c3\u30d5\u30a1(\u5faa\u74b0\u30d0\u30c3\u30d5\u30a1)\u3068\u3057\u3066\u5168\u3066\u30c7\u30a3\u30b9\u30af\u4e0a\u306b\u4fdd\u5b58\u3055\u308c\u3001\u901a\u5e38\u6570\u65e5\u304b\u3089\u6570\u9031\u9593\u5206\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4fdd\u5b58\u3067\u304d\u308b\u3002<br \/>\n\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u306e\u8aad\u307f\u53d6\u308a\u304c\u5927\u304d\u304f\u9045\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u306f\u3001\u30d6\u30ed\u30fc\u30ab\u30fc\u304c\u8b66\u544a\u3092\u767a\u3059\u308b\u3002\u3053\u308c\u3092\u4eba\u9593\u306e\u904b\u7528\u62c5\u5f53\u8005\u304c\u78ba\u8a8d\u3057\u3001\u4f4e\u901f\u306a\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u3092\u4fee\u6b63\u3059\u308b\u3002<br \/>\n\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u306e\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u9ad8\u304f\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u4e00\u3064\u4e00\u3064\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u51e6\u7406\u306f\u9ad8\u901f\u306b\u884c\u3048(\u306a\u305c\uff1f)\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u9806\u756a\u304c\u91cd\u8981\u3067\u3042\u308b\u5834\u5408\u306b\u9069\u3057\u3066\u3044\u308b<br \/>\ne.g. Apache Kafka, Amazon Kinesis Stream<\/p>\n<p>\u622a\u81f32019\u5e74\uff0c\u4e00\u822c\u5927\u578b\u9ad8\u6e05\u786c\u76d8\u7684\u5bb9\u91cf\u4e3a6TB\uff0c\u901a\u8fc7\u987a\u5e8f\u5199\u5165\u7684\u541e\u5410\u91cf\u4e3a150MB\/s -&gt; \u5982\u679c\u4ee5\u6700\u5927\u901f\u5ea6\u5199\u5165\uff0c\u5c06\u572811\u4e2a\u5c0f\u65f6\u5185\u586b\u6ee1\u3002<\/p>\n<h2>\u5229\u7528\u6d41\u5f0f\u5904\u7406\u8fdb\u884c\u8bbe\u8ba1<\/h2>\n<p>\u8fc4\u4eca\u4e3a\u6b62\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5bf9\u4e8e\u5f15\u5165\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u6709\u7528\u7684\u6d88\u606f\u4ee3\u7406\u6280\u672f\u3002<\/p>\n<p>\u5728\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u4ecb\u7ecd\u4e86\u5c06\u6d41\u5904\u7406\u5f15\u5165\u5e94\u7528\u7a0b\u5e8f\u7684\u67b6\u6784\u3002<\/p>\n<p>\u5728\u5f02\u6784\u6570\u636e\u7cfb\u7edf\uff08\u4f7f\u7528\u591a\u79cd\u4e0d\u540c\u6280\u672f\u7ec4\u5408\uff09\u4e2d\u4ea7\u751f\u7684\u95ee\u9898\u662f\uff0c<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">[\u4e26\u884c\u6027\u306e\u554f\u984c] \u4e8c\u91cd\u66f8\u304d\u8fbc\u307f(dual writes)<\/ul>\n<\/li>\n<\/ul>\n<p>\u8a18\u9332\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u4e8c\u3064\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304c\u9806\u306b\u66f4\u65b0\u3057\u305f\u3068\u3059\u308b\u3002\u5c0e\u51fa\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u76f8\u5f53\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u304c\u9006\u9806\u306b\u884c\u308f\u308c\u305f\u5834\u5408\u3001\u4e8c\u3064\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u4e0d\u6574\u5408\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>[\u8010\u969c\u5bb3\u6027\u306e\u554f\u984c] \u8a18\u9332\u306e\u30ec\u30b3\u30fc\u30c9\u306f\u6210\u529f\u3059\u308b\u304c\u3001\u5c0e\u51fa\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u306e\u66f4\u65b0\u306f\u5931\u6557\u3059\u308b<\/p>\n<p>\u8981\u306f\u30a2\u30c8\u30df\u30c3\u30af\u306b\u66f4\u65b0\u3055\u308c\u3066\u3044\u306a\u3044\u3002<\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5c06\u4e8b\u4ef6\u6d41\u7684\u6982\u5ff5\u5f15\u5165\u7cfb\u7edf\u4e2d\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5909\u66f4\u30c7\u30fc\u30bf\u30ad\u30e3\u30d7\u30c1\u30e3(CDC)<\/ul>\n<\/li>\n<\/ul>\n<p>\u8a18\u9332\u306e\u30ec\u30b3\u30fc\u30c9(leader\u3068\u898b\u306a\u305b\u308b)\u3078\u306e\u66f4\u65b0\u3092\u30b9\u30c8\u30ea\u30fc\u30e0\u3068\u3057\u3066\u5c0e\u51fa\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0(follower\u3068\u898b\u306a\u305b\u308b)\u304c\u5229\u7528\u3059\u308b\u3002<br \/>\n\u8a18\u9332\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u30ea\u30fc\u30c0\u30fc\u3001\u5c0e\u5165\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u3092\u30d5\u30a9\u30ed\u30ef\u30fc\u3068\u6349\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b<br \/>\n\u5b9f\u88c5\u65b9\u6cd5\u306f\u2460\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c8\u30ea\u30ac\u30fc\u3092\u5229\u7528\u3057\u305f\u308a\u3001\u2461\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ed\u30b0\u3092\u81ea\u524d\u3067\u30d1\u30fc\u30b9\u3057\u305f\u308a\u3001\u306a\u3069\u3002<br \/>\nKafka\u306a\u3069\u3067\u306f\u30ed\u30b0\u30b3\u30f3\u30d1\u30af\u30b7\u30e7\u30f3\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u5404\u30ec\u30b3\u30fc\u30c9\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u4ee5\u5916\u3092\u7834\u68c4\u3067\u304d\u308b\u3002<br \/>\n\u8fd1\u5e74\u306eDB\u3067\u306f\u7b2c\uff11\u7d1a\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068\u3057\u3066\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u304d\u3066\u3044\u308b\u3002<\/p>\n<p>\u30a4\u30d9\u30f3\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0<\/p>\n<p>= \u30b7\u30b9\u30c6\u30e0\u304c\u5168\u3066\u306e\u751f\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u6052\u4e45\u7684\u306b\u4fdd\u5b58\u3067\u304d\u3001\u305d\u306e\u5b8c\u5168\u306a\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u3092\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u518d\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u3002DB\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u66f4\u65b0\u3084\u524a\u9664\u306f\u7981\u6b62\u3002<br \/>\n\u3053\u306e\u7528\u9014\u306b\u7279\u5316\u3057\u305fDB\u306e\u4f8b\u306f\u3001Event Store\u306a\u3069\u3002<\/p>\n<p>\u8fd9\u4e9b\u662f \/ \u8fd9\u4e9b\u4e1c\u897f\u662f \/ \u4ee5\u4e0a\u90fd\u662f<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u3092\u66f8\u304d\u8fbc\u3080\u5f62\u5f0f\u304b\u3089\u3001\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u5f62\u5f0f\u3092\u5206\u96e2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002(\u30af\u30a8\u30ea\u8cac\u52d9\u5206\u96e2)<\/ul>\n<\/li>\n<\/ul>\n<p>\u66f8\u304d\u8fbc\u307f\u306f\u30a4\u30d9\u30f3\u30c8\u3092\u3042\u308b\u304c\u307e\u307e\u306b\u66f8\u304d\u8fbc\u3080\u3002<br \/>\n\u8aad\u307f\u53d6\u308a\u7528\u306b\u6700\u9069\u5316\u3057\u305f\u30d3\u30e5\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u3002\u7528\u9014\u306b\u5408\u308f\u305b\u3066\u305d\u306e\u90fd\u5ea6\u30d3\u30e5\u30fc\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u3067\u3001\u65e2\u5b58\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u4fee\u6b63\u304c\u4e0d\u8981\u306b\u306a\u308b\u3002(\u3053\u308c\u306f\u30b9\u30ad\u30fc\u30de\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u3088\u308a\u5bb9\u6613\u3067\u3042\u308b\u3002)<\/p>\n<p>\u30e1\u30ea\u30c3\u30c8\u306f\u3001\u30ea\u30ab\u30d0\u30ea\u30fc\u306e\u5bb9\u6613\u6027\u3068\u904e\u53bb\u30a4\u30d9\u30f3\u30c8\u306e\u5206\u6790\u304c\u53ef\u80fd\u306a\u3053\u3068\u3002<br \/>\n\u6b20\u70b9\u306f\u4ee5\u4e0b\u4e8c\u3064\u3002<\/p>\n<p>(1) \u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u304c\u975e\u540c\u671f\u3067\u3042\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u306e\u751f\u6210\u5f8c\u3001\u5c0e\u51fa\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u306e\u8aad\u307f\u53d6\u308a\u6642\u306b\u81ea\u5206\u306e\u66f8\u304d\u8fbc\u307f\u304c\u53cd\u6620\u3055\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u3053\u3068\u3002(= read after write \u304c\u4fdd\u969c\u3055\u308c\u306a\u3044) ?\u5bfe\u51e6\u6cd5\u306f<\/p>\n<p>\u305d\u3082\u305d\u3082\u30a4\u30d9\u30f3\u30c8\u66f8\u304d\u8fbc\u307f\u6642\u306b\u3001\u30d3\u30e5\u30fc\u306e\u66f4\u65b0\u3092\u540c\u671f\u7684\u306b\u884c\u3046\u3002\u3053\u306e\u305f\u3081\u306b\u306f\u3001\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u3068\u8aad\u307f\u53d6\u308a\u306e\u30d3\u30e5\u30fc\u3092\u540c\u3058\u30b9\u30c8\u30ec\u30fc\u30b8\u30b7\u30b9\u30c6\u30e0\u306b\u4f5c\u6210\u3059\u308b\u304b\u3001\u5206\u6563\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b<br \/>\n\u30d3\u30e5\u30fc\u3092\u4f7f\u7528\u305b\u305a\u3001\u73fe\u5728\u306e\u72b6\u614b\u3092\u6bce\u56de\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u304b\u3089\u7b97\u51fa\u3059\u308b\u3002<\/p>\n<p>(2) \u8907\u6570\u306e\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u304c\u4f5c\u6210\u3055\u308c\u3001\u4e21\u65b9\u304c\u30d3\u30e5\u30fc\u306e\u540c\u4e00\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3059\u308b\u3068\u3059\u308b\u3002\u3053\u306e\u969b\u306b\u30d3\u30e5\u30fc\u3078\u306e\u53cd\u6620\u306e\u9806\u756a\u304c\u53cd\u8ee2\u3057\u3001\u30d3\u30e5\u30fc\u304c\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u304b\u3089\u7b97\u51fa\u3055\u308c\u308b\u3082\u306e\u3068\u7570\u306a\u3063\u3066\u3057\u307e\u3046\u3002<\/p>\n<p>\u3042\u308b\u30d3\u30e5\u30fc\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u66f4\u65b0\u3057\u3046\u308b\u30a4\u30d9\u30f3\u30c8\u30ed\u30b0\u3092\u30e1\u30c3\u30bb\u30fc\u30b8\u30d6\u30ed\u30fc\u30ab\u306e\u305f\u3060\u4e00\u3064\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u306b\u306e\u307f\u84c4\u7a4d\u3057\u3066\u3044\u304f\u3002(\u30b7\u30f3\u30b0\u30eb\u30b9\u30ec\u30c3\u30c9\u306e)\u30ed\u30b0\u306e\u30b3\u30f3\u30b7\u30e5\u30fc\u30de\u306f\u3053\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u8aad\u307f\u53d6\u308b\u3002<\/p>\n<p>\u30a4\u30df\u30e5\u30fc\u30bf\u30d6\u30eb\u306b\u30ed\u30b0\u3092\u4fdd\u6301\u3059\u308b\u304c\u3001\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u5834\u5408\u306b\u306f\u7ba1\u7406\u4e0a\u30c7\u30fc\u30bf\u3092\u524a\u9664\u3059\u308b\u5fc5\u8981\u304c\u767a\u751f\u3059\u308b\u3002<\/p>\n<p>\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306e\u898f\u5b9a\u304b\u3089\u9000\u4f1a\u30e6\u30fc\u30b6\u30fc\u306e\u500b\u4eba\u60c5\u5831\u306e\u524a\u9664\u306e\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408<br \/>\n\u30c7\u30fc\u30bf\u4fdd\u8b77\u306e\u6cd5\u5f8b\u304c\u4e0d\u6b63\u78ba\u306a\u60c5\u5831\u306e\u524a\u9664\u3092\u6c42\u3081\u3066\u3044\u308b\u5834\u5408<br \/>\n\u8aa4\u3063\u3066\u6d41\u51fa\u3057\u305f\u30bb\u30f3\u30b7\u30c6\u30a3\u30d6\u306a\u60c5\u5831\u3092\u5c01\u3058\u8fbc\u3081\u308b\u5834\u5408<\/p>\n<h2>\u6d41\u5f0f\u5904\u7406\u7684\u4f7f\u7528\u6848\u4f8b<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u3064\u307e\u308a\u7279\u5b9a\u306e\u4e8b\u8c61\u304c\u751f\u3058\u305f\u6642\u306b\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8907\u5408\u30a4\u30d9\u30f3\u30c8\u51e6\u7406 (complex event processing)<\/ul>\n<\/li>\n<\/ul>\n<p>= \u30b9\u30c8\u30ea\u30fc\u30e0\u4e2d\u306e\u7279\u5b9a\u306e\u30d1\u30bf\u30fc\u30f3\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u7d22\u3059\u308b\u30eb\u30fc\u30eb\u3092\u30af\u30a8\u30ea\u3084GUI\u3067CEP\u30a8\u30f3\u30b8\u30f3\u306b\u6307\u5b9a\u3059\u308b\u3002\u51e6\u7406\u30a8\u30f3\u30b8\u30f3\u306f\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u6d88\u8cbb\u3057\u3001\u30de\u30c3\u30c1\u3059\u308b\u3082\u306e\u304c\u898b\u3064\u304b\u3063\u305f\u3089\u3001\u65b0\u305f\u306a\u30a4\u30d9\u30f3\u30c8(complex event)\u3092\u751f\u6210\u3059\u308b\u3002<br \/>\nCEP\u30a8\u30f3\u30b8\u30f3\u306e\u4f8b\u306f\u3001Esper, Apama\u306a\u3069<\/p>\n<p>\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u306e\u691c\u7d22<\/p>\n<p>(\u8907\u5408\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3068\u306e\u9055\u3044\u304c\u5206\u304b\u3089\u3093?)<br \/>\n\u30af\u30a8\u30ea\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4ed8\u3051\u3066\u30de\u30c3\u30c1\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u30af\u30a8\u30ea\u306e\u96c6\u5408\u3092\u72ed\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n<p>\u30b9\u30c8\u30ea\u30fc\u30e0\u5206\u6790<\/p>\n<p>\u5927\u91cf\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3059\u308b\u30e1\u30c8\u30ea\u30af\u30b9\u306e\u96c6\u8a08\u3084\u7d71\u8a08\u3092\u6c42\u3081\u308b<br \/>\nApache Storm, Spark Streaming, Kafka Streams\u306a\u3069\u306e\u5206\u6563\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002\u30db\u30b9\u30c8\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u306f\u3001Google Cloud Dataflow, Azure Stream Analytics, Amazon Kinesis Data Analytics\u3002<\/p>\n<p>\u30de\u30c6\u30ea\u30a2\u30e9\u30a4\u30ba\u30c9\u30d3\u30e5\u30fc\u306e\u7ba1\u7406<\/p>\n<p>DB\u3001\u30ad\u30e3\u30c3\u30b7\u30e5\u3001\u691c\u7d22\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u69cb\u7bc9<br \/>\n\u30a4\u30d9\u30f3\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u306b\u304a\u3051\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3002<br \/>\nSamza\u3084Kafka Streams\u306f\u3001Kafka\u306e\u30ed\u30b0\u30b3\u30f3\u30d1\u30af\u30b7\u30e7\u30f3\u4e0a\u306b\u69cb\u7bc9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002<\/p>\n<h2>\u5176\u4ed6<\/h2>\n<p>?\u5173\u4e8e\u65f6\u95f4\u7684\u601d\u8003\uff08\u4e8b\u4ef6\u65f6\u95f4\u548c\u5904\u7406\u65f6\u95f4\uff09<\/p>\n<p>\u4e0d\u8981\u6df7\u6dc6\u4e8b\u4ef6\u65f6\u95f4\u548c\u5904\u7406\u65f6\u95f4\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u591a\u304f\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u51e6\u7406\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306fprocessing time\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4f8b\u3048\u3070\u30ea\u30af\u30a8\u30b9\u30c8\u30ec\u30fc\u30c8\u306e\u8a08\u7b97\u306f\u3001event time\u3067\u96c6\u8a08\u3059\u3079\u304d\u3002(\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30bb\u30c3\u30b5\u3092\u30c7\u30d7\u30ed\u30a4\u3057\u76f4\u3057\u305f\u3089\u3001\u30a4\u30d9\u30f3\u30c8\u306eprocess\u306f\u518d\u8d77\u52d5\u5f8c\u306b\u307e\u3068\u3081\u3066\u884c\u308f\u308c\u308b\u305f\u3081)<\/ul>\n<p>\u786e\u8ba4\u6240\u6709\u5728\u6307\u5b9a\u65f6\u95f4\u7a97\u53e3\u5185\u7684\u4e8b\u4ef6\u662f\u5426\u5168\u90e8\u5b8c\u6210\u662f\u4e00\u4ef6\u56f0\u96be\u7684\u4e8b\u60c5\u3002\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u9700\u8981\u8003\u8651\u5728\u7a97\u53e3\u7ed3\u675f\u65f6\u95f4\u4e4b\u540e\u4f1a\u51fa\u73b0\u5ef6\u8fdf\u7684\u5b64\u7acb\u4e8b\u4ef6\u3002\u5bf9\u6b64\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u53ef\u4ee5\u662f\u4ee5\u4e0b\u4e4b\u4e00\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u306f\u3050\u308c\u30a4\u30d9\u30f3\u30c8\u306f\u7121\u8996\u3059\u308b\u3002\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u306f\u3050\u308c\u30a4\u30d9\u30f3\u30c8\u6570\u3092\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u3057\u3066\u8ffd\u8de1\u3057\u3001\u95be\u5024\u3092\u8d85\u3048\u305f\u3089\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u3059\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30bb\u30c3\u30b5\u304c\u306f\u3050\u308c\u30a4\u30d9\u30f3\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u3089\u3001\u305d\u306e\u3053\u3068\u3092\u95a2\u9023\u30b7\u30b9\u30c6\u30e0\u306b\u4f1d\u64ad\u3059\u308b\u8a02\u6b63(correction)\u3092\u914d\u4fe1\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u300c\u4eca\u5f8c\u306ft\u4ee5\u524d\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6301\u3064\u30a4\u30d9\u30f3\u30c8\u306f\u767a\u751f\u3057\u306a\u3044\u300d\u3053\u3068\u3092\u793a\u3059\u7279\u5225\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6d41\u3059\u3002<\/ul>\n<p>\u7a97\u6237\u7684\u79cd\u7c7b h\u00f9 de<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">tumbling window<\/ul>\n<\/li>\n<\/ul>\n<p>= \u5e45\u56fa\u5b9a\u3001\u958b\u59cb\u70b9\u304c\u5b9a\u671f\u7684\u3001window\u540c\u58eb\u306f\u91cd\u8907\u3057\u306a\u3044<\/p>\n<p>hopping window<\/p>\n<p>= \u5e45\u56fa\u5b9a\u3001\u958b\u59cb\u70b9\u304c\u5b9a\u671f\u7684\u3001window\u540c\u58eb\u306f\u91cd\u8907\u3059\u308b<\/p>\n<p>sliding window<\/p>\n<p>= \u5e45\u56fa\u5b9a\u3001\u958b\u59cb\u70b9\u304c\u9023\u7d9a\u7684\u3001\u3086\u3048\u306bwindow\u540c\u58eb\u306f\u91cd\u8907\u3059\u308b<\/p>\n<p>session window<\/p>\n<p>= \u5e45\u56fa\u5b9a\u3067\u306a\u3044\u3001\u958b\u59cb\u70b9\u306f\u307e\u3070\u3089\u3001window\u540c\u58eb\u306f\u91cd\u8907\u3057\u306a\u3044\u3001window\u306b\u542b\u307e\u308c\u306a\u3044\u671f\u9593\u3082\u5b58\u5728\u3059\u308b<\/p>\n<p>\u5b9e\u73b0\u6d41JOIN\u7684\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30c8\u30ea\u30fc\u30e0 &#8211; \u30b9\u30c8\u30ea\u30fc\u30e0\u7d50\u5408<\/ul>\n<\/li>\n<\/ul>\n<p>= window\u5185\u3067\u306e\u30a4\u30d9\u30f3\u30c8\u540c\u58eb\u306e\u7d50\u5408<br \/>\n[\u5b9f\u88c5\u65b9\u6cd5] \u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30bb\u30c3\u30b5\u5185\u3067\u300cwindow\u5185\u306b\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u304c\u767a\u751f\u3057\u305f\u304b\u300d\u3068\u3044\u3046\u72b6\u614b\u3092\u4fdd\u6301\u3057\u3066\u304a\u304f\u3002JOIN\u3067\u304d\u305f\u3089JOIIN\u7d50\u679c\u3092\u8868\u3059\u30a4\u30d9\u30f3\u30c8\u3092\u751f\u6210\u3059\u308b\u3002JOIN\u3067\u304d\u306a\u304b\u3063\u305f\u5834\u5408\u306f\u3001\u305d\u306e\u307e\u307e\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u751f\u6210\u3059\u308b\u3002<\/p>\n<p>\u30b9\u30c8\u30ea\u30fc\u30e0 &#8211; \u30c6\u30fc\u30d6\u30eb\u7d50\u5408<\/p>\n<p>= stream\u306eenrich\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u5185\u306e\u5404\u30a4\u30d9\u30f3\u30c8(fact)\u306b\u5bfe\u3057\u3066\u3001\u305d\u308c\u306b\u95a2\u9023\u3059\u308b\u60c5\u5831(dimension)\u3092\u30a8\u30f3\u30ea\u30c3\u30c1\u3059\u308b\u3002<br \/>\n[\u5b9f\u88c5\u65b9\u6cd51] \u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u5404\u30a4\u30d9\u30f3\u30c8\u306e\u51e6\u7406\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u3001DB\u304b\u3089\u95a2\u9023\u30ec\u30b3\u30fc\u30c9\u3092\u30eb\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308b<\/p>\n<p>?\u51e6\u7406\u901f\u5ea6\u304c\u4f4e\u901f<br \/>\n?DB\u304c\u904e\u8ca0\u8377\u306b\u9665\u308b\u53ef\u80fd\u6027\u3042\u308a<\/p>\n<p>[\u5b9f\u88c5\u65b9\u6cd52] DB\u306e\u30b3\u30d4\u30fc\u3092\u30d7\u30ed\u30bb\u30c3\u30b5\u306b\u30ed\u30fc\u30c9\u3057\u3066\u304a\u304f\u3002(\u30e1\u30e2\u30ea\u4e0a\u306e\u30cf\u30c3\u30b7\u30e5\u30c6\u30fc\u30d6\u30eb\u3001\u5927\u304d\u3051\u308c\u3070\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30b9\u30af\u5185\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9)\u3002DB\u306e\u30b3\u30d4\u30fc\u306e\u66f4\u65b0\u306e\u305f\u3081\u306b\u306f\u3001\u5143\u306eDB\u306echangelog\u3092\u4fdd\u6301\u3059\u308b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f5c\u6210\u3057\u3001\u3053\u308c\u3092\u6d88\u8cbb\u3059\u308b\u3002<br \/>\n\u26a0\ufe0f slowly changing dimension\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u3001\u5404\u30a4\u30d9\u30f3\u30c8\u306b\u306fevent time\u3092\u6301\u305f\u305b\u3001\u6642\u9593\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308bDB\u306e\u30ec\u30b3\u30fc\u30c9(\u7a0e\u7387\u7b49)\u306f\u30d0\u30fc\u30b8\u30e7\u30f3\u9055\u3044\u3092\u4fdd\u6301\u3059\u308b\u3002<\/p>\n<p>\u30c6\u30fc\u30d6\u30eb &#8211; \u30c6\u30fc\u30d6\u30eb\u7d50\u5408<\/p>\n<p>= materializd veiw\u306e\u66f4\u65b0\u306e&#8221;\u30bf\u30a4\u30df\u30f3\u30b0&#8221;\u3092\u30a4\u30d9\u30f3\u30c8\u30b9\u30c8\u30ea\u30fc\u30e0\u3067\u691c\u77e5\u3059\u308b\u3002<br \/>\n[\u5b9f\u88c5\u65b9\u6cd5] view\u3092\u69cb\u6210\u3059\u308b\u8907\u6570\u306e\u5143\u30c7\u30fc\u30bf\u306e\u66f4\u65b0\u3092\u305d\u308c\u305e\u308c\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u6d41\u3059\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u30d7\u30ed\u30bb\u30c3\u30b5\u306f\u3044\u305a\u308c\u304b\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u304b\u3089\u30a4\u30d9\u30f3\u30c8\u3092\u53d7\u3051\u53d6\u3063\u305f\u6642\u70b9\u3067view\u3092\u518d\u8a08\u7b97\u3059\u308b\u3002<\/p>\n<p>\u4e3a\u6d41\u5904\u7406\u5668\u589e\u52a0\u5bb9\u9519\u6027\u3002<\/p>\n<p>\u5728\u7b2c9\u7ae0\u4e2d\u63d0\u53ca\u7684MapReduce\u6279\u5904\u7406\u662f\u7cbe\u786e\u4e00\u6b21\u6027\u6267\u884c\u7684\uff08\u51c6\u786e\u6765\u8bf4\u662f\u6709\u6548\u4e00\u6b21\u6027\u6267\u884c\uff09\u3002<br \/>\n\u4e3a\u4e86\u5728\u8f93\u5165\u4e3a\u65e0\u9650\u6d41\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u6709\u4ee5\u4e0b\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30de\u30a4\u30af\u30ed\u30d0\u30c3\u30c1\u51e6\u7406 + \u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u51e6\u7406<\/ul>\n<\/li>\n<\/ul>\n<p>\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u5c0f\u3055\u306a\u30d6\u30ed\u30c3\u30af(1s\u7a0b\u5ea6)\u306b\u5206\u5272\u3057\u3001\u305d\u308c\u305e\u308c\u306e\u30d6\u30ed\u30c3\u30af\u3067\u30d0\u30c3\u30c1\u51e6\u7406\u3092\u884c\u3046<br \/>\n\u30d6\u30ed\u30c3\u30af\u540c\u58eb\u306e\u5883\u76ee\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3054\u3068\u306b\u3001\u73fe\u5728\u306e\u72b6\u614b\u3092\u6c38\u7d9a\u6027\u306e\u3042\u308b\u30b9\u30c8\u30ec\u30fc\u30b8\u306b\u66f8\u304d\u51fa\u3059<br \/>\n\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u5185\u90e8\u3067\u306fexactly-once\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u63d0\u4f9b\u3059\u308b\u304c\u3001\u5916\u90e8\u3078\u526f\u4f5c\u7528\u304c\u767a\u751f\u3059\u308b\u5834\u5408\u306f\u305d\u3046\u3067\u306a\u3044\u3002<br \/>\n\u4f7f\u7528\u4f8b: Spark 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