{"id":14944,"date":"2017-05-20T16:40:00","date_gmt":"2017-05-20T07:40:00","guid":{"rendered":"http:\/\/w3devlabs.net\/wp\/?p=14944"},"modified":"2017-05-20T16:40:00","modified_gmt":"2017-05-20T07:40:00","slug":"%eb%a7%b5-%eb%a6%ac%eb%93%80%ec%8a%a4","status":"publish","type":"post","link":"http:\/\/w3devlabs.net\/wp\/?p=14944","title":{"rendered":"\ub9f5 \ub9ac\ub4c0\uc2a4"},"content":{"rendered":"<p>1.\ub9f5\ub9ac\ub4c0\uc2a4 \uc815\uc758<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4(MapReduce) \ud504\ub808\uc784\uc6cc\ud06c\ub294 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \ubaa9\uc801\uc73c\ub85c \uac1c\ubc1c\ub41c \ud504\ub85c\uadf8\ub798\ubc0d \ubaa8\ub378\uc774\ub2e4.<br \/>\nGoogle\uc5d0 \uc758\ud574 \uace0\uc548\ub41c \ub9f5\ub9ac\ub4c0\uc2a4 \uae30\uc220\uc740 \ub300\ud45c\uc801\uc778 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uc704\ud55c \ubcd1\ub82c \ucc98\ub9ac \uae30\ubc95\uc758 \ud558\ub098\ub85c \ucd5c\uadfc\uae4c\uc9c0 \ub9ce\uc740 \uc8fc\ubaa9\uc744 \ubc1b\uace0 \uc788\ub2e4.<\/p>\n<p>\uadf8\ub9bc 1\uacfc \uac19\uc774 \ub9f5\ub9ac\ub4c0\uc2a4\ub294 \uc784\uc758\uc758 \uc21c\uc11c\ub85c \uc815\ub82c\ub41c \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \ucc98\ub9ac(Map)\ud558\uace0 \uc774\ub97c \ub2e4\uc2dc \ud569\uce58(Reduce)\ub294 \uacfc\uc815\uc744 \uac70\uce5c\ub2e4.<\/p>\n<p>2. \ub9f5\ub9ac\ub4c0\uc2a4 \uad6c\ud604 \ud50c\ub7ab\ud3fc \ud558\ub461<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4\ub97c \ud575\uc2ec \uae30\ubc18\uc73c\ub85c \ub450\uace0 \uc788\ub294 \ud558\ub461(Hadoop)\uc740 \ub9ce\uc740 \ubd84\uc57c\uc5d0\uc11c \ub300\uc6a9\ub7c9 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uc704\ud55c \ud575\uc2ec \uae30\uc220\ub85c \ud070 \uc778\uae30\ub97c \ub204\ub9ac\uace0 \uc788\ub2e4.<\/p>\n<p>\uc774\ub7ec\ud55c \ub9f5\ub9ac\ub4c0\uc2a4\uc758 \uc131\uacf5\uc740 \ub2e8\uc21c\ud558\uba74\uc11c\ub3c4 \ud558\ub461 \uc5d0\ucf54\uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud55c \ud655\uc7a5\uc131\uc774 \uc27d\uace0, \uace0\uc7a5\ubc29\uc9c0\uae30\ub2a5(fault-tolerance)\uc744 \uc9c0\uc6d0\ud558\ub294 \ub9f5\ub9ac\ub4c0\uc2a4\uc758 \ud2b9\uc9d5\uc5d0 \uc788\ub2e4.<\/p>\n<p>3. \ub9f5\ub9ac\ub4c0\uc2a4\uc758 \uad6c\uc870\uc801 \ud2b9\uc9d5<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \ubaa8\ub378\uc778 \ub3d9\uc2dc\uc5d0 \uc774 \ubaa8\ub378\uc744 \uad6c\ub3d9\ud558\ub294 \ud504\ub808\uc784\uc6cc\ud06c \ubaa8\ub450\ub97c \uc758\ubbf8\ud55c\ub2e4.<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4\ub294 \ubcd1\ub82c \ucc98\ub9ac\uc5d0 \uc788\uc5b4 \uc694\uad6c\ub418\ub294 \uc2a4\ucf00\uc904\ub9c1 \ub4f1\uc758 \ubcf5\uc7a1\ud55c \uc0ac\ud56d\ub4e4\uc744 \uc0ac\uc6a9\uc790\uac00 \uace0\ubbfc\ud558\uc9c0 \uc54a\uac8c \ud568\uc73c\ub85c\uc368 \uc26c\uc6b4 \ubcd1\ub82c \ucc98\ub9ac \ubc29\ubc95\uc744 \uc81c\uacf5\ud55c\ub2e4.<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4 \ud504\ub85c\uadf8\ub798\ubc0d \ubaa8\ub378\uc740 \uc0ac\uc6a9\uc790\uac00 Map\uacfc Reduce \ub450 \ud568\uc218\ub97c \uc774\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4\uc758 \uc785\ub825\uacfc \ucd9c\ub825\uc5d0\ub294 \ube14\ub85d \uae30\ubc18 \ubd84\uc0b0 \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc744 \uc774\uc6a9\ud55c\ub2e4.<\/p>\n<p>\ube14\ub85d \uae30\ubc18 \ubd84\uc0b0 \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud30c\uc77c\ub4e4\uc740 \uace0\uc815 \ud06c\uae30\uc758 \ube14\ub85d \ub2e8\uc704(\uae30\ubcf8 64MB)\ub85c \uad00\ub9ac\ub418\uba70, \uac01 \ube14\ub85d\uc740 \uace0\uc7a5\ubc29\uc9c0\uae30\ub2a5 \uc9c0\uc6d0\uc744 \uc704\ud574 \uc801\uc7ac \uc2dc \ubcf5\uc81c\ub418\uc5b4 \uac01 \ube14\ub85d\uc5d0 \ub300\ud574 \uae30\ubcf8\uc801\uc73c\ub85c 2\uac1c\uc758 \ubcf5\uc0ac\ubcf8(replica)\ub4e4\uc744 \uac00\uc9c4\ub2e4.<\/p>\n<p>4. \ub9f5\ub9ac\ub4c0\uc2a4\uc758 \uc7a5\uc810<\/p>\n<p>\ub9f5\ub9ac\ub4c0\uc2a4\ub294 \uac15\ub825\ud55c \ub0b4\uace0\uc7a5\uc131\uc744 \uc81c\uacf5\ud55c\ub2e4. Google\uc758 \uacbd\uc6b0 \ud3c9\uade0\uc801\uc73c\ub85c \ud55c \ub9f5\ub9ac\ub4c0\uc2a4 \uc791\uc5c5 \ub2f9 1~2\uac1c\uc758 \uc7a5\uc560\ub97c \uacbd\ud5d8\ud558\ub294\ub370 \ubbf8\ub9ac \ubcf5\uc0ac\ud574\ub454 \ub370\uc774\ud130\ub97c \uc774\uc6a9\ud558\uc5ec \ub9f5\ub9ac\ub4c0\uc2a4 \uc791\uc5c5\uc740 \uc885\ub8cc\ub418\uc9c0 \uc54a\uace0 \uc9c0\uc18d\ud574\uc11c \uc218\ud589 \ubc0f \uc644\ub8cc\ub41c\ub2e4.<br \/>\n\uc774\ub7ec\ud55c \ub0b4\uace0\uc7a5\uc131\uc5d0 \uae30\ubc18\uc744 \ub450\uc5b4 \ub9f5\ub9ac\ub4c0\uc2a4\ub294 \ub9e4\uc6b0 \ub192\uc740 \ud655\uc7a5\uc131\uc744 \uac00\uc9c4\ub2e4.<\/p>\n<p>&nbsp;<\/p>\n<p>\ucd9c\ucc98 : \ubc34\ub4dc &#8211; \ube45\ub370\uc774\ud130 \uc5f0\uad6c\uc18c<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\ub9f5\ub9ac\ub4c0\uc2a4 \uc815\uc758 \ub9f5\ub9ac\ub4c0\uc2a4(MapReduce) \ud504\ub808\uc784\uc6cc\ud06c\ub294 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \ubaa9\uc801\uc73c\ub85c \uac1c\ubc1c\ub41c \ud504\ub85c\uadf8\ub798\ubc0d \ubaa8\ub378\uc774\ub2e4. Google\uc5d0 \uc758\ud574 \uace0\uc548\ub41c \ub9f5\ub9ac\ub4c0\uc2a4 \uae30\uc220\uc740 \ub300\ud45c\uc801\uc778 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \uc704\ud55c \ubcd1\ub82c \ucc98\ub9ac \uae30\ubc95\uc758 \ud558\ub098\ub85c \ucd5c\uadfc\uae4c\uc9c0 \ub9ce\uc740 \uc8fc\ubaa9\uc744 \ubc1b\uace0 \uc788\ub2e4. \uadf8\ub9bc 1\uacfc \uac19\uc774 \ub9f5\ub9ac\ub4c0\uc2a4\ub294 \uc784\uc758\uc758 \uc21c\uc11c\ub85c \uc815\ub82c\ub41c \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \ucc98\ub9ac(Map)\ud558\uace0 \uc774\ub97c \ub2e4\uc2dc \ud569\uce58(Reduce)\ub294 \uacfc\uc815\uc744 \uac70\uce5c\ub2e4. 2. \ub9f5\ub9ac\ub4c0\uc2a4 \uad6c\ud604 \ud50c\ub7ab\ud3fc \ud558\ub461 \ub9f5\ub9ac\ub4c0\uc2a4\ub97c \ud575\uc2ec \uae30\ubc18\uc73c\ub85c &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/w3devlabs.net\/wp\/?p=14944\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;\ub9f5 \ub9ac\ub4c0\uc2a4&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[9627],"tags":[16373,9629],"class_list":["post-14944","post","type-post","status-publish","format-standard","hentry","category-9627","tag-16373","tag-9629","entry"],"_links":{"self":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/14944","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14944"}],"version-history":[{"count":1,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/14944\/revisions"}],"predecessor-version":[{"id":14945,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/14944\/revisions\/14945"}],"wp:attachment":[{"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14944"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14944"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/w3devlabs.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14944"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}