title: Log file format/structure explanation
body: <p>Hi I am using hadoop to process log files.</p>
  
  <p>Suppose i had a log file with the data something like below</p>
  
  <pre><code>2012-11-04 23:00:04 10.1.151.54 GET /_layouts/1033/js/global.js v=5 443 - 10.1.151.61 Mozilla/5.0+(Windows+NT+6.1)+AppleWebKit/535.2+(KHTML,+like+Gecko)+Chrome/15.0.864.0+Safari/535.2 200 0 0 31
  2012-11-04 23:00:04 10.1.151.54 GET /_layouts/1033/styles/css/topnav.css v=1 443 - 10.1.151.61 Mozilla/5.0+(Windows+NT+6.1)+AppleWebKit/535.2+(KHTML,+like+Gecko)+Chrome/15.0.864.0+Safari/535.2 200 0 0 62
  2012-11-04 23:00:07 10.1.151.54 GET /pages/index.aspx - 80 - 10.1.151.59 - 200 0 64 374
  2012-11-04 23:00:07 10.1.151.52 GET /pages/index.aspx - 80 - 10.1.151.59 - 200 0 64 374
  </code></pre>
  
  <p>In the above lines we can found date,method(GET/POST) etc.,</p>
  
  <p>I am unable to understand the remaining stuff in each line clearly and confused , can anyone explain/elaborate each and every part of the line in detail.</p>