<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/d0854e51-8b42-4761-a517-1e2d3a653d6f/3B815E35-CA4F-4B96-ABED-6B698A131F5C/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html" href="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html" style="font-size: 11px;">www.niallkennedy.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html"><H2 class="posttitle">Google processes over 20 petabytes of data per day</H2></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html"><P>Google currently processes over 20 petabytes of data per day through an average of 100,000 <A href="http://labs.google.com/papers/mapreduce.html">MapReduce</A> jobs spread across its massive computing clusters. The average MapReduce job ran across approximately 400 machines in September 2007, crunching approximately 11,000 machine years in a single month. These are just some of the facts about the search giant's computational processing infrastructure <A href="http://doi.acm.org/10.1145/1327452.1327492">revealed in an <ACRONYM title="Association for Computing Machinery">ACM</ACRONYM> paper by Google</A> Fellows <A href="http://research.google.com/people/jeff/">Jeffrey Dean</A> and <A href="http://research.google.com/people/sanjay/">Sanjay Ghemawat</A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html"><P>Twenty petabytes (20,000 terabytes) per <STRONG>day</STRONG> is a tremendous amount of data processing and a key contributor to Google's continued market dominance. Competing search storage and processing systems at Microsoft (<A href="http://research.microsoft.com/research/sv/dryad/">Dyrad</A>) and Yahoo! (<A href="http://lucene.apache.org/hadoop/">Hadoop</A>) are still playing catch-up to Google's suite of <A href="http://labs.google.com/papers/gfs.html"><ACRONYM title="Google File System">GFS</ACRONYM></A>, MapReduce, and <A href="http://labs.google.com/papers/bigtable.html">BigTable</A>.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html">Google processes</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.niallkennedy.com/blog/2008/01/google-mapreduce-stats.html">two 2 <ABBR title="gigahertz">GHz</ABBR> Intel Xeon processors with Hyper-Threading enabled, 4 <ABBR title="gigabytes">GB</ABBR> of memory, two 160 <ABBR>GB</ABBR> <ACRONYM title="Integrated Drive Electronics">IDE</ACRONYM> hard drives and a gigabit Ethernet link.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/3B815E35-CA4F-4B96-ABED-6B698A131F5C/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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