{"id":2145,"date":"2014-04-02T09:30:56","date_gmt":"2014-04-02T01:30:56","guid":{"rendered":"http:\/\/www.banbanli.net\/blog\/?p=2145"},"modified":"2014-04-02T09:30:56","modified_gmt":"2014-04-02T01:30:56","slug":"%e8%bd%89%e8%b2%bcgoogle-%e7%82%ba%e4%bb%80%e9%ba%bc%e8%83%bd%e5%9c%a8-0-15-%e7%a7%92%e6%89%be%e5%88%b0%e6%95%b8%e5%8d%81%e8%90%ac%e7%ad%86%e8%b3%87%e6%96%99%ef%bc%9f%e8%aa%8d%e8%ad%98%e6%90%9c","status":"publish","type":"post","link":"http:\/\/www.banbanli.net\/blog\/?p=2145","title":{"rendered":"[\u8f49\u8cbc]Google \u70ba\u4ec0\u9ebc\u80fd\u5728 0.15 \u79d2\u627e\u5230\u6578\u5341\u842c\u7b46\u8cc7\u6599\uff1f\u8a8d\u8b58\u641c\u5c0b\u9738\u4e3b\u7684\u6838\u5fc3\u6280\u8853"},"content":{"rendered":"

http:\/\/techorange.com\/2013\/05\/07\/meet-google-search-engines-technique\/<\/p>\n

 <\/p>\n

\u7576\u4f60\u5728\u700f\u89bd\u5668\u4e0a\u8f38\u5165\u60f3\u8981\u641c\u5c0b\u7684\u5b57\u4e32\u6642\uff0cGoogle \u6703\u6aa2\u8996\u6578\u5341\u5104\u500b\u7db2\u9801\uff0c\u4e26\u4f9d\u64da\u7d22\u5f15\u503c\u5f9e\u4e2d\u627e\u51fa\u5167\u5bb9\u76f8\u7b26\u5408\u7684\u7db2\u9801\uff0c\u518d\u4f9d\u64da\u76f8\u95dc\u7684\u898f\u5247\u5217\u51fa\u5148\u5f8c\u6b21\u5e8f\uff0c\u800c\u641c\u5c0b\u5f15\u64ce\u6703\u5c07\u7d50\u679c\u4ee5\u6700\u5feb\u7684\u6642\u9593\u56de\u50b3\u3002<\/p>\n

\u4f46\u662f\uff0c\u7db2\u8def\u4e0a\u7684\u8cc7\u6599\u91cf\u4e0d\u4f46\u9f90\u5927\uff0c\u800c\u4e14\u5167\u5bb9\u96a8\u6642\u90fd\u5728\u8b8a\u5316\uff0c\u751a\u81f3\u540c\u4e00\u500b\u7db2\u9801\u7684\u5167\u5bb9\u90fd\u6703\u4e00\u5929\u6578\u8b8a\uff0c\u56e0\u6b64\uff0cGoogle \u5c31\u5fc5\u9808\u6642\u6642\u9032\u884c\u66f4\u65b0\u7684\u52d5\u4f5c\uff0c\u9019\u500b\u52d5\u4f5c\u53eb\u300c\u722c\u884c\u300d\uff08Crawling\uff09\uff0c\u800c\u57f7\u884c\u722c\u884c\u52d5\u4f5c\u7684\u7a0b\u5f0f\u4e00\u822c\u4fd7\u7a31\u300c\u722c\u87f2\u300d\uff08Crawler\uff09\u6216\u300c\u7db2\u8def\u8718\u86db\u300d \uff08Spider\uff09\uff0c\u9664\u4e86\u641c\u5c0b\u5f15\u64ce\u4e4b\u5916\uff0c\u5e38\u898b\u7684\u61c9\u7528\u9084\u6709\u6bd4\u50f9\u7cfb\u7d71\uff0c\u50cf\u662f FindPrice\u3001\u80cc\u5305\u5ba2\u68e7\u570b\u969b\u8a02\u623f\u4e2d\u5fc3\u6bd4\u50f9\u7b49\u90fd\u662f\u3002<\/p>\n

\u800c Google \u4e4b\u6240\u4ee5\u80fd\u6210\u70ba\u5176\u4e2d\u7684\u9738\u4e3b\uff0c\u7576\u7136\u662f\u6709\u5176\u904e\u4eba\u4e4b\u8655\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u8ddf\u5404\u4f4d\u8b80\u8005\u7c21\u55ae\u5730\u5206\u4eab\u4e00\u4e0b Google \u6240\u958b\u767c\u7684\u4e09\u500b\u6838\u5fc3\u6280\u8853\uff1aGFS\u3001BigTable \u8207 MapReduce \u6f14\u7b97\u6cd5\u3002<\/p>\n

1.\u00a0<\/strong>Google File System<\/a><\/strong>\uff0c<\/strong>\u7528\u4f86\u7528\u4ee5\u5132\u5b58 Big Data<\/strong><\/p>\n

Google File System<\/strong>\uff08GFS\u00a0\u6216 GoogleFS\uff09\u662f\u7531\u6578\u767e\u500b\u53e2\u96c6\uff08Cluster\uff09\u6240\u7d44\u6210\u3002\u6bcf\u4e00\u500b\u53e2\u96c6\u6709\u591a\u9054\u6578\u5343\u53f0\u7684\u4f3a\u670d\u5668\uff0c\u662f\u4e00\u7a2e\u5206\u6563\u5f0f\u5bb9\u932f\u6a94\u6848\u7cfb\u7d71\uff0c\u4e3b\u8981\u7684\u4efb\u52d9\u662f\u5132\u5b58\u7db2\u9801\u3001\u5f71\u7247\u3001 \u7167\u7247\u3001Email \u548c Google Map\u7b49\u8cc7\u6599\uff0c\u800c\u9019\u4e9b\u6a94\u6848\u6975\u5c11\u88ab\u522a\u9664\u6216\u7570\u52d5\uff0c\u5927\u591a\u6578\u6642\u5019\u90fd\u662f\u65b0\u589e\u6216\u8b80\u53d6\uff0c\u56e0\u6b64\uff0c\u5c0d\u5176\u9032\u884c\u6700\u4f73\u5316\u7684\u7ba1\u7406\u5c31\u975e\u5e38\u91cd\u8981\u4e86\u3002<\/p>\n

\u5132\u5b58\u5728 GFS \u7684\u6a94\u6848\u6703\u88ab\u5207\u5272\u6210 64 MB \u5de6\u53f3\u7684\u8cc7\u6599\u584a\uff08Chunk\uff09\uff0c\u5206\u5225\u653e\u5728\u4e09\u53f0\u7a31\u70ba Chunkserver \u7684\u4f3a\u670d\u5668\u5167\uff0c\u7576 Chunkserver \u767c\u751f\u554f\u984c\u6642\uff0c\u4e3b\u4f3a\u670d\u5668\uff08Master Server\uff09\u5c31\u6703\u5c07\u8cc7\u6599\u8907\u88fd\u5230\u53e6\u4e00\u500b Chunkserver \u4e0a\u3002<\/p>\n

2. \u00a0<\/strong>BigTable <\/a><\/strong>\uff0c\u5229\u7528<\/strong>\u6210\u5c0d\u7684 Key-Valu<\/strong>e<\/strong>\uff0c\u5feb\u901f\u8b80\u53d6\u8cc7\u6599<\/strong><\/p>\n

BigTable \u5c31\u5b57\u9762\u4e0a\u7684\u610f\u601d\u770b\u4f86\uff0c\u5c31\u662f\u300c\u5927\u578b\u7684\u8cc7\u6599\u8868\u300d\uff0c\u5b83\u4e3b\u8981\u8ca0\u8cac\u7ba1\u7406 GFS \u7684\u6a5f\u5236\uff0c\u5c6c\u65bc\u5206\u6563\u5f0f\u8cc7\u6599\u5132\u5b58\u7cfb\u7d71\uff0c\u53ef\u4ee5\u7ba1\u7406\u5206\u4f48\u5728\u6578\u5343\u53f0\u4f3a\u670d\u5668\u4e0a\u7684 Big Data\uff0c\u5c31\u50cf\u662f\u4e00\u5f35\u8cc7\u6599\u8868\uff08Table\uff09\uff0c\u8cc7\u6599\u8868\u4e0a\u8a3b\u660e\u4e86\u6bcf\u4e00\u53f0\u4f3a\u670d\u5668\u6240\u6709\u7684\u8cc7\u6599\uff0c\u5305\u62ec Google Analytics\u3001Google Earth\u3001Gmail\u3001Google Reader\u3001Google Map\u3001Google Finance \u4ee5\u53ca YouTube \u7b49\u3002<\/p>\n

\u7531\u65bc\u4e0a\u8ff0\u9019\u4e9b\u7522\u54c1\u7684\u61c9\u7528\u5c0d\u65bc BigTable \u7684\u9700\u6c42\u8207\u6240\u7d44\u6210\u7684\u7d50\u69cb\u5404\u4e0d\u76f8\u540c\uff0c\u56e0\u6b64 BigTable \u63a1\u7528\u4e86\u9375\u8207\u503c Key-Value \u7684\u8cc7\u6599\u67b6\u69cb\uff0c\u5176\u5177\u6709\u6c34\u5e73\u64f4\u5145\u7684\u80fd\u529b\uff0c\u53ea\u8981\u7a7a\u9593\u4e0d\u8db3\u5c31\u53ef\u4ee5\u7acb\u5373\u65b0\u589e\u8cc7\u6599\u5eab\uff0c\u800c\u5b83\u7684\u5132\u5b58\u5bb9\u91cf\u5c6c\u65bc PB \u7b49\u7d1a\uff081 Petabyte\uff08PB\uff09= 1024 TB\uff09\u3002<\/p>\n

\u7576\u7136\u5c0d Google \u800c\u8a00\uff0c\u7cfb\u7d71\u7684\u56de\u61c9\u6642\u9593\u4ecd\u662f\u9996\u8981\u8003\u91cf\uff0c\u56e0\u6b64\uff0cBigTable \u8a2d\u8a08\u6642\u7684\u4e3b\u8981\u76ee\u6a19\u5c31\u8457\u91cd\u65bc\u300c\u53ef\u9760\u5730\u8655\u7406\u5927\u91cf\u7684\u6578\u64da\u300d\uff0c\u56e0\u800c\u63a1\u7528\u4e86\u53e2\u96c6\u5e73\u884c\u8655\u7406\u6280\u8853\u3002<\/p>\n

3.\u00a0<\/strong>MapReduce <\/a><\/strong>\uff0c\u7528\u4f86\u8655\u7406\u8207\u5206\u6790 Big Data<\/strong><\/p>\n

MapReduce \u7528\u4f86\u9032\u884c Big Data \u7684\u8a08\u7b97\uff0c\u5176\u5305\u542b\u4e86 Map \u548c Reduce \u5169\u500b\u90e8\u4efd\uff0c\u4e3b\u8981\u7528\u65bc\u5927\u898f\u6a21\u8cc7\u6599\u96c6\u7684\u5e73\u884c\u904b\u7b97\u3002<\/p>\n

\u7c21\u55ae\u4f86\u8aaa\uff0cMapReduce \u5728\u8655\u7406\u8cc7\u6599\u6642\uff0cMap \u51fd\u6578\u6703\u628a\u539f\u59cb\u8cc7\u6599\u6620\u5c04\u6210\u65b0\u7684\u4e00\u7d44\u9375\u8207\u503c\uff08Key-Value\uff09\u7684\u5e8f\u5c0d\uff0c\u4e26\u5207\u5272\u6210\u6709\u898f\u5f8b\u6027\u7684\u5c0f\u8cc7\u6599\uff0c\u4e26\u7d93\u904e Shuffle \u505a\u6392\u5e8f\uff0c\u6700\u5f8c\u518d\u900f\u904e Reducer \u51fd\u6578\u4f9d\u76f8\u540c\u7684 Key \u6574\u5408\u7d50\u679c\uff0c\u6700\u5f8c\u624d\u80fd\u5c07\u6574\u9ad4\u7684\u7d50\u679c\u8f38\u51fa\u3002<\/p>\n

\u4f8b\u5982\uff0c\u4e0a\u7db2\u67e5 MapReduce \u9019\u500b\u5b57\u4e32\uff0c\u6703\u900f\u904e Map \u51fd\u6578\u8a08\u7b97\u7db2\u9801\u4e0a\u51fa\u73fe\u300cMapReduce\u300d\u7684\u6b21\u6578\uff0c\u5982\u679c\u51fa\u73fe 10 \u6b21\u5c31\u7528\uff08MapReduce, 10\uff09\u4f86\u8868\u793a\uff1b\u518d\u7528 Reduce \u51fd\u6578\u5f59\u6574\u6240\u6709\u5177\u6709\u76f8\u540c Key \u503c\u7684\u8cc7\u6599\uff0c\u4e26\u7d71\u8a08\u5b83\u5011\u51fa\u73fe\u7684\u6b21\u6578\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

http:\/\/techorange.com\/2013\/05\/07\/meet-google-search-engines-technique\/   \u7576\u4f60\u5728\u700f\u89bd\u5668\u4e0a\u8f38\u5165\u60f3\u8981\u641c\u5c0b\u7684\u5b57\u4e32\u6642\uff0cGoogle \u6703\u6aa2\u8996\u6578\u5341\u5104\u500b\u7db2\u9801\uff0c\u4e26\u4f9d\u64da\u7d22\u5f15\u503c\u5f9e\u4e2d\u627e\u51fa\u5167\u5bb9\u76f8\u7b26\u5408\u7684\u7db2\u9801\uff0c\u518d\u4f9d\u64da\u76f8\u95dc\u7684\u898f\u5247\u5217\u51fa\u5148\u5f8c\u6b21\u5e8f\uff0c\u800c\u641c\u5c0b\u5f15\u64ce\u6703\u5c07\u7d50\u679c\u4ee5\u6700\u5feb\u7684\u6642\u9593\u56de\u50b3\u3002 \u4f46\u662f\uff0c\u7db2\u8def\u4e0a\u7684\u8cc7\u6599\u91cf\u4e0d\u4f46\u9f90\u5927\uff0c\u800c\u4e14\u5167\u5bb9\u96a8\u6642\u90fd\u5728\u8b8a\u5316\uff0c\u751a\u81f3\u540c\u4e00\u500b\u7db2\u9801\u7684\u5167\u5bb9\u90fd\u6703\u4e00\u5929\u6578\u8b8a\uff0c\u56e0\u6b64\uff0cGoogle \u5c31\u5fc5\u9808\u6642\u6642\u9032\u884c\u66f4\u65b0\u7684\u52d5\u4f5c\uff0c\u9019\u500b\u52d5\u4f5c\u53eb\u300c\u722c\u884c\u300d\uff08Crawling\uff09\uff0c\u800c\u57f7\u884c\u722c\u884c\u52d5\u4f5c\u7684\u7a0b\u5f0f\u4e00\u822c\u4fd7\u7a31\u300c\u722c\u87f2\u300d\uff08Crawler\uff09\u6216\u300c\u7db2\u8def\u8718\u86db\u300d \uff08Spider\uff09\uff0c\u9664\u4e86\u641c\u5c0b\u5f15\u64ce\u4e4b\u5916\uff0c\u5e38\u898b\u7684\u61c9\u7528\u9084\u6709\u6bd4\u50f9\u7cfb\u7d71\uff0c\u50cf\u662f FindPrice\u3001\u80cc\u5305\u5ba2\u68e7\u570b\u969b\u8a02\u623f\u4e2d\u5fc3\u6bd4\u50f9\u7b49\u90fd\u662f\u3002 \u800c Google \u4e4b\u6240\u4ee5\u80fd\u6210\u70ba\u5176\u4e2d\u7684\u9738\u4e3b\uff0c\u7576\u7136\u662f\u6709\u5176\u904e\u4eba\u4e4b\u8655\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u8ddf\u5404\u4f4d\u8b80\u8005\u7c21\u55ae\u5730\u5206\u4eab\u4e00\u4e0b Google \u6240\u958b\u767c\u7684\u4e09\u500b\u6838\u5fc3\u6280\u8853\uff1aGFS\u3001BigTable \u8207 MapReduce \u6f14\u7b97\u6cd5\u3002<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[],"class_list":["post-2145","post","type-post","status-publish","format-standard","hentry","category-big-data"],"_links":{"self":[{"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2145"}],"version-history":[{"count":1,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2145\/revisions"}],"predecessor-version":[{"id":2146,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2145\/revisions\/2146"}],"wp:attachment":[{"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2145"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.banbanli.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}