{"id":3534,"date":"2018-04-10T12:29:43","date_gmt":"2018-04-10T17:29:43","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/?p=3534"},"modified":"2018-04-11T10:57:22","modified_gmt":"2018-04-11T15:57:22","slug":"updating-my-map-function-to-handle-the-new-log-file-format","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2018\/04\/10\/updating-my-map-function-to-handle-the-new-log-file-format\/","title":{"rendered":"Updating My Map Function to Handle the New Log File Format"},"content":{"rendered":"<p>Here I continue with my analysis of the log files of a different server.  I need to modify my map function to create some variables and strip some rows which I am not able to do during file reading.<\/p>\n<p>Features covered in this video include:<\/p>\n<ul>\n<li><tt><a href=\"https:\/\/www.mathworks.com\/help\/matlab\/datastore.html\">datastore<\/a><\/tt><\/li>\n<li><tt><a href=\"https:\/\/www.mathworks.com\/help\/matlab\/mapreduce.html\">mapreduce<\/a><\/tt><\/li>\n<li><tt><a href=\"https:\/\/www.mathworks.com\/help\/matlab\/ref\/regexp.html\">regexp<\/a><\/tt><\/li>\n<\/ul>\n<p><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"5764603397001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div><br \/>\nPlay the video in full screen mode for a better viewing experience.\u00a0<\/p>\n<p>I realized after that I was searching in the &#8220;request&#8221; variable instead of the &#8220;agent&#8221; variable for my string. Once I fixed that, I could see the traffic I was interested in. Also group by hour instead of by minute which is more appropriate:<br \/>\n<a href=\"https:\/\/blogs.mathworks.com\/videos\/files\/aem-traffic.png\"><img decoding=\"async\" loading=\"lazy\" width=\"560\" height=\"420\" src=\"https:\/\/blogs.mathworks.com\/videos\/files\/aem-traffic.png\" alt=\"\" class=\"alignnone size-full wp-image-3566\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2018\/04\/10\/updating-my-map-function-to-handle-the-new-log-file-format\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/1bbfd5af-1de0-4926-acc4-e93d9ab42506\/d99e7edf-c760-44d0-8a5e-1a076e9dab29\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/><\/p>\n<div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">33:46<\/time><\/span>\n      <\/div>\n<p>      <\/a><\/div>\n<p>Here I continue with my analysis of the log files of a different server.  I need to modify my map function to create some variables and strip some rows which I am not able to do during file&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2018\/04\/10\/updating-my-map-function-to-handle-the-new-log-file-format\/\">read more >><\/a><\/p>\n","protected":false},"author":133,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[27,4],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3534"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/133"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=3534"}],"version-history":[{"count":10,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3534\/revisions"}],"predecessor-version":[{"id":3578,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3534\/revisions\/3578"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=3534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=3534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=3534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}