{"id":1065,"date":"2018-05-31T14:03:17","date_gmt":"2018-05-31T06:03:17","guid":{"rendered":"https:\/\/www.xiaobo.li\/?p=1065"},"modified":"2018-05-31T14:03:17","modified_gmt":"2018-05-31T06:03:17","slug":"hadoop-%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/1065","title":{"rendered":"Hadoop \u5907\u5fd8\u5f55"},"content":{"rendered":"<p><strong>\u8ba1\u7b97\u5f15\u64ce\u5c42<\/strong><\/p>\n<p>Hadoop\u751f\u6001\u548c\u5176\u4ed6\u751f\u6001\u6700\u5927\u7684\u4e0d\u540c\u4e4b\u4e00\u5c31\u662f\u201c\u5355\u4e00\u5e73\u53f0\u591a\u79cd\u5e94\u7528\u201d\u7684\u7406\u5ff5\u4e86\u3002\u4f20\u7684\u6570\u636e\u5e93\u5e95\u5c42\u53ea\u6709\u4e00\u4e2a\u5f15\u64ce\uff0c\u53ea\u5904\u7406\u5173\u7cfb\u578b\u5e94\u7528\uff0c\u6240\u4ee5\u662f\u201c\u5355\u4e00\u5e73\u53f0\u5355\u4e00\u5e94\u7528\u201d\uff1b\u800cNoSQL\u5e02\u573a\u6709\u4e0a\u767e\u4e2aNoSQL\u8f6f\u4ef6\uff0c\u6bcf\u4e00\u4e2a\u90fd\u9488\u5bf9\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\u4e14\u5b8c\u5168\u72ec\u7acb\uff0c\u56e0\u6b64\u662f\u201c\u591a\u5e73\u53f0\u591a\u5e94\u7528\u201d\u7684\u6a21\u5f0f\u3002\u800cHadoop\u5728\u5e95\u5c42\u5171\u7528\u4e00\u4efdHDFS\u5b58\u50a8\uff0c\u4e0a\u5c42\u6709\u5f88\u591a\u4e2a\u7ec4\u4ef6\u5206\u522b\u670d\u52a1\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u5982\uff1a<\/p>\n<ul>\n<li>\u786e\u5b9a\u6027\u6570\u636e\u5206\u6790\uff1a\u4e3b\u8981\u662f\u7b80\u5355\u7684\u6570\u636e\u7edf\u8ba1\u4efb\u52a1\uff0c\u4f8b\u5982OLAP\uff0c\u5173\u6ce8\u5feb\u901f\u54cd\u5e94\uff0c\u5b9e\u73b0\u7ec4\u4ef6\u6709Impala\u7b49\uff1b<\/li>\n<\/ul>\n<ul>\n<li>\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff1a\u4e3b\u8981\u662f\u4fe1\u606f\u5173\u8054\u6027\u53d1\u73b0\u4efb\u52a1\uff0c\u4f8b\u5982\u641c\u7d22\uff0c\u5173\u6ce8\u975e\u7ed3\u6784\u5316\u5168\u91cf\u4fe1\u606f\u6536\u96c6\uff0c\u5b9e\u73b0\u7ec4\u4ef6\u6709Search\u7b49\uff1b<\/li>\n<\/ul>\n<ul>\n<li>\u9884\u6d4b\u6027\u6570\u636e\u5206\u6790\uff1a\u4e3b\u8981\u662f\u673a\u5668\u5b66\u4e60\u7c7b\u4efb\u52a1\uff0c\u4f8b\u5982\u903b\u8f91\u56de\u5f52\u7b49\uff0c\u5173\u6ce8\u8ba1\u7b97\u6a21\u578b\u7684\u5148\u8fdb\u6027\u548c\u8ba1\u7b97\u80fd\u529b\uff0c\u5b9e\u73b0\u7ec4\u4ef6\u6709Spark\u3001MapReduce\u7b49\uff1b<\/li>\n<\/ul>\n<ul>\n<li>\u6570\u636e\u5904\u7406\u53ca\u8f6c\u5316\uff1a\u4e3b\u8981\u662fETL\u7c7b\u4efb\u52a1\uff0c\u4f8b\u5982\u6570\u636e\u7ba1\u9053\u7b49\uff0c\u5173\u6ce8IO\u541e\u5410\u7387\u548c\u53ef\u9760\u6027\uff0c\u5b9e\u73b0\u7ec4\u4ef6\u6709MapReduce\u7b49<\/li>\n<\/ul>\n<p><strong>\u670d\u52a1\u5c42<\/strong><\/p>\n<p>\u670d\u52a1\u5c42\u662f\u5305\u88c5\u5e95\u5c42\u5f15\u64ce\u7684\u7f16\u7a0bAPI\u7ec6\u8282\uff0c\u5bf9\u4e1a\u52a1\u4eba\u5458\u63d0\u4f9b\u66f4\u9ad8\u62bd\u8c61\u7684\u8bbf\u95ee\u6a21\u578b\uff0c\u5982Pig\u3001Hive\u7b49\u3002<\/p>\n<p>\u800c\u5176\u4e2d<strong>\u6700\u7099\u624b\u53ef\u70ed\u7684\u5c31\u662fOLAP\u7684SQL\u5e02\u573a\u4e86<\/strong>\u3002\u73b0\u5728\uff0cSpark\u670970%\u7684\u8bbf\u95ee\u91cf\u6765\u81ea\u4e8eSparkSQL\uff01<\/p>\n<p>SQL on Hadoop\u5230\u5e95\u54ea\u5bb6\u5f3a\uff1fHive\u3001Facebook\u7684Pheonix\u3001Presto\u3001SparkSQL\u3001Cloudera\u63a8\u7684Impala\u3001MapR\u63a8\u7684Drill\u3001IBM\u7684BigSQL\u3001\u8fd8\u662fPivital\u5f00\u6e90\u7684HAWQ\uff1f<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8ba1\u7b97\u5f15\u64ce\u5c42 Hadoop\u751f\u6001\u548c\u5176\u4ed6\u751f\u6001\u6700\u5927\u7684\u4e0d\u540c\u4e4b\u4e00\u5c31\u662f\u201c\u5355\u4e00\u5e73\u53f0\u591a\u79cd\u5e94\u7528\u201d\u7684\u7406 &hellip; <a href=\"https:\/\/www.xiaobo.li\/notes\/archives\/1065\">\u7ee7\u7eed\u9605\u8bfb <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[292],"tags":[324],"class_list":["post-1065","post","type-post","status-publish","format-standard","hentry","category-storage","tag-hadoop"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1065","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=1065"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/1065\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=1065"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=1065"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=1065"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}