{"id":62373,"date":"2024-10-13T18:26:45","date_gmt":"2024-10-13T10:26:45","guid":{"rendered":"https:\/\/server.hk\/cnblog\/62373\/"},"modified":"2024-10-13T18:26:46","modified_gmt":"2024-10-13T10:26:46","slug":"mapreduce-hold%e4%b8%8d%e4%bd%8f%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/62373\/","title":{"rendered":"MapReduce Hold\u4e0d\u4f4f\uff1f"},"content":{"rendered":"<h1 id=\"mapreduce-hold%e4%b8%8d%e4%bd%8f%ef%bc%9f-GsicmIciHJ\">MapReduce Hold\u4e0d\u4f4f\uff1f<\/h1>\n<p>\u5728\u5927\u6578\u64da\u6642\u4ee3\uff0cMapReduce\u4f5c\u70ba\u4e00\u7a2e\u5206\u6563\u5f0f\u8a08\u7b97\u6a21\u578b\uff0c\u5df2\u7d93\u6210\u70ba\u8655\u7406\u6d77\u91cf\u6578\u64da\u7684\u4e3b\u8981\u5de5\u5177\u4e4b\u4e00\u3002\u5b83\u7684\u8a2d\u8a08\u7406\u5ff5\u662f\u5c07\u6578\u64da\u8655\u7406\u904e\u7a0b\u5206\u70ba\u5169\u500b\u4e3b\u8981\u6b65\u9a5f\uff1aMap\u548cReduce\u3002\u96d6\u7136MapReduce\u5728\u8a31\u591a\u5834\u666f\u4e2d\u8868\u73fe\u51fa\u8272\uff0c\u4f46\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\u548c\u8a08\u7b97\u9700\u6c42\u7684\u591a\u6a23\u5316\uff0c\u8a31\u591a\u7528\u6236\u958b\u59cb\u8cea\u7591\u5176\u662f\u5426\u80fd\u5920\u6301\u7e8c\u6eff\u8db3\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0eMapReduce\u7684\u512a\u7f3a\u9ede\uff0c\u4ee5\u53ca\u5728\u7576\u524d\u74b0\u5883\u4e0b\u7684\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<h2 id=\"mapreduce%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-GsicmIciHJ\">MapReduce\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>MapReduce\u7684\u5de5\u4f5c\u6d41\u7a0b\u53ef\u4ee5\u7c21\u55ae\u5730\u5206\u70ba\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ul>\n<li><strong>Map\u968e\u6bb5\uff1a<\/strong>\u5c07\u8f38\u5165\u6578\u64da\u5206\u5272\u6210\u5c0f\u584a\uff0c\u4e26\u5c0d\u6bcf\u500b\u5c0f\u584a\u9032\u884c\u8655\u7406\uff0c\u751f\u6210\u4e2d\u9593\u9375\u503c\u5c0d\u3002<\/li>\n<li><strong>Shuffle\u968e\u6bb5\uff1a<\/strong>\u5c07\u6240\u6709\u7684\u4e2d\u9593\u9375\u503c\u5c0d\u6839\u64da\u9375\u9032\u884c\u6392\u5e8f\u548c\u5206\u7d44\u3002<\/li>\n<li><strong>Reduce\u968e\u6bb5\uff1a<\/strong>\u5c0d\u6bcf\u7d44\u9375\u503c\u5c0d\u9032\u884c\u805a\u5408\uff0c\u751f\u6210\u6700\u7d42\u7d50\u679c\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u8a2d\u8a08\u4f7f\u5f97MapReduce\u80fd\u5920\u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\u9ad8\u6548\u904b\u884c\uff0c\u4e26\u4e14\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\u5230\u6578\u5343\u53f0\u4f3a\u670d\u5668\u4e0a\u3002<\/p>\n<h2 id=\"mapreduce%e7%9a%84%e5%84%aa%e9%bb%9e-GsicmIciHJ\">MapReduce\u7684\u512a\u9ede<\/h2>\n<ul>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>MapReduce\u80fd\u5920\u8f15\u9b06\u5730\u64f4\u5c55\u5230\u591a\u53f0\u4f3a\u670d\u5668\uff0c\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u96c6\u3002<\/li>\n<li><strong>\u5bb9\u932f\u6027\uff1a<\/strong>\u5728\u8a08\u7b97\u904e\u7a0b\u4e2d\uff0c\u5982\u679c\u67d0\u500b\u7bc0\u9ede\u5931\u6557\uff0c\u7cfb\u7d71\u80fd\u5920\u81ea\u52d5\u91cd\u65b0\u5206\u914d\u4efb\u52d9\uff0c\u78ba\u4fdd\u8a08\u7b97\u7684\u6301\u7e8c\u6027\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>\u958b\u767c\u8005\u53ea\u9700\u95dc\u6ce8Map\u548cReduce\u51fd\u6578\u7684\u5be6\u73fe\uff0c\u7121\u9700\u95dc\u5fc3\u5e95\u5c64\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u7d30\u7bc0\u3002<\/li>\n<\/ul>\n<h2 id=\"mapreduce%e7%9a%84%e7%bc%ba%e9%bb%9e-GsicmIciHJ\">MapReduce\u7684\u7f3a\u9ede<\/h2>\n<p>\u5118\u7ba1MapReduce\u6709\u8a31\u591a\u512a\u9ede\uff0c\u4f46\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u660e\u986f\u7684\u7f3a\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0cShuffle\u968e\u6bb5\u53ef\u80fd\u6210\u70ba\u6027\u80fd\u74f6\u9838\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u5c0f\u6587\u4ef6\u6642\u3002<\/li>\n<li><strong>\u5ef6\u9072\uff1a<\/strong>MapReduce\u7684\u6279\u8655\u7406\u7279\u6027\u4f7f\u5f97\u5176\u4e0d\u9069\u5408\u5be6\u6642\u6578\u64da\u8655\u7406\uff0c\u5c0d\u65bc\u9700\u8981\u5373\u6642\u53cd\u61c9\u7684\u61c9\u7528\u5834\u666f\uff0cMapReduce\u7684\u5ef6\u9072\u53ef\u80fd\u904e\u9ad8\u3002<\/li>\n<li><strong>\u958b\u767c\u8907\u96dc\u6027\uff1a<\/strong>\u96d6\u7136MapReduce\u7684\u57fa\u672c\u6982\u5ff5\u7c21\u55ae\uff0c\u4f46\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u9700\u8981\u8003\u616e\u6578\u64da\u7684\u5206\u4f48\u3001\u932f\u8aa4\u8655\u7406\u7b49\u591a\u7a2e\u56e0\u7d20\uff0c\u9019\u53ef\u80fd\u589e\u52a0\u958b\u767c\u7684\u8907\u96dc\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"mapreduce%e7%9a%84%e6%9b%bf%e4%bb%a3%e6%96%b9%e6%a1%88-GsicmIciHJ\">MapReduce\u7684\u66ff\u4ee3\u65b9\u6848<\/h2>\n<p>\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0c\u8a31\u591a\u66ff\u4ee3\u65b9\u6848\u61c9\u904b\u800c\u751f\uff0c\u9019\u4e9b\u65b9\u6848\u5728\u67d0\u4e9b\u65b9\u9762\u514b\u670d\u4e86MapReduce\u7684\u4e0d\u8db3\uff1a<\/p>\n<ul>\n<li><strong>Apache Spark\uff1a<\/strong>Spark\u662f\u4e00\u500b\u5feb\u901f\u7684\u901a\u7528\u8a08\u7b97\u5f15\u64ce\uff0c\u652f\u6301\u6279\u8655\u7406\u548c\u6d41\u8655\u7406\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u7684\u5167\u5b58\u8a08\u7b97\u80fd\u529b\u3002<\/li>\n<li><strong>Apache Flink\uff1a<\/strong>Flink\u662f\u4e00\u500b\u6d41\u8655\u7406\u6846\u67b6\uff0c\u5c08\u6ce8\u65bc\u5be6\u6642\u6578\u64da\u8655\u7406\uff0c\u80fd\u5920\u63d0\u4f9b\u4f4e\u5ef6\u9072\u7684\u8a08\u7b97\u7d50\u679c\u3002<\/li>\n<li><strong>Presto\uff1a<\/strong>Presto\u662f\u4e00\u500b\u5206\u4f48\u5f0f\u67e5\u8a62\u5f15\u64ce\uff0c\u80fd\u5920\u5728\u591a\u7a2e\u6578\u64da\u6e90\u4e0a\u9032\u884c\u5373\u6642\u67e5\u8a62\uff0c\u9069\u5408\u9700\u8981\u5feb\u901f\u97ff\u61c9\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-GsicmIciHJ\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0cMapReduce\u5728\u5927\u6578\u64da\u8655\u7406\u4e2d\u4ecd\u7136\u662f\u4e00\u500b\u91cd\u8981\u7684\u5de5\u5177\uff0c\u4f46\u96a8\u8457\u9700\u6c42\u7684\u8b8a\u5316\u548c\u6280\u8853\u7684\u9032\u6b65\uff0c\u8a31\u591a\u7528\u6236\u958b\u59cb\u5c0b\u6c42\u66f4\u9ad8\u6548\u7684\u66ff\u4ee3\u65b9\u6848\u3002\u5c0d\u65bc\u9700\u8981\u5373\u6642\u8655\u7406\u548c\u9ad8\u6027\u80fd\u8a08\u7b97\u7684\u61c9\u7528\uff0cApache Spark\u548cApache Flink\u7b49\u6280\u8853\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9078\u64c7\u3002\u7121\u8ad6\u9078\u64c7\u54ea\u7a2e\u6280\u8853\uff0c\u4e86\u89e3\u5176\u512a\u7f3a\u9ede\u4ee5\u53ca\u9069\u7528\u5834\u666f\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u4e91\u4f3a\u670d\u5668<\/a>\u4f86\u652f\u6301\u60a8\u7684\u9700\u6c42\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u8a08\u7b97\u80fd\u529b\u548c\u6578\u64da\u8655\u7406\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Explore the challenges of MapReduce in handling large data sets and discover effective strategies to optimize performance and scalability.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-62373","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62373","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=62373"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62373\/revisions"}],"predecessor-version":[{"id":62374,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/62373\/revisions\/62374"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=62373"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=62373"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=62373"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}