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Is There Room for Another                    Elephant in               Tucson? Tucson Java User Group Andrew Lenards
andrew.lenards@gmail  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why do I care?  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Establishing our setting...
Differing World Views
Brendan's quote... ,[object Object],[object Object]
End of Moore's Law?
End of Moore's Law?
Scaling Up Endangered  Practice? Polar Bear  Endangered Species
DATA!
DATA!
Zettabytes??? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
MapReduce: the Abstraction
MapReduce ,[object Object],[object Object],[object Object],[object Object],[object Object]
MapReduce + RDBMS, not versus Source: "Hadoop: The Definite Guide, Tom White" Traditional RDBMS MapReduce Data Size Gigabytes Petabytes Access Interactive & batch Batch Updates Read and  write many times Write once, read many times Structure Static schema Dynamic schema Integrity High Low Scaling Nonlinear Linear
Shared-state makes everything hard... ,[object Object],[object Object],[object Object],[object Object],[object Object]
Shared Nothing Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object]
Functional inspiration, but not dogmatic ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Partitioning work...  ,[object Object],[object Object],[object Object]
Raising the level of abstraction ,[object Object],[object Object],[object Object]
MapReduce Usage
Example usage...  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Apache Web Server Logfiles  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
crawl-66-249-71-34.googlebot.com - - [16/Aug/2009:04:40:36 -0700] "GET /tree/home.pages/searchTOL?taxon=Arna&Submit2=Find&startline=26  HTTP/1.1" 200 14693 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/img/quicknav/RightArrow.png HTTP /1.1" 200 321 "http://www.tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" localhost.localdomain - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SSiphono phorida&sp=S8149&sp=S HTTP/1.1" 200 5894 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)" llf531045.crawl.yahoo.net - - [16/Aug/2009:04:40:36 -0700] "GET /Siphonophorida/8149 HTTP/1.0" 200 5894 "-" "Mozilla/5.0 (compatible;  Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)" localhost.localdomain - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SCampanu lotes&sp=S73605&sp=S HTTP/1.1" 200 8571 "-" "Mozilla/4.0" 65.55.108.238 - - [16/Aug/2009:04:40:36 -0700] "GET /Campanulotes/73605 HTTP/1.1" 200 8571 "-" "Mozilla/4.0" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:36 -0700] "GET /tree/img/magnify.gif HTTP/1.1" 200 124 "http://www. tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" localhost.localdomain - - [16/Aug/2009:04:40:37 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SHomo&sp =S16418&sp=S HTTP/1.1" 200 10283 "-" "Mozilla/5.0 (compatible; Ask Jeeves/Teoma; +http://about.ask.com/en/docs/about/webmasters.shtml) " crawler5108.ask.com - - [16/Aug/2009:04:40:37 -0700] "GET /Homo/16418 HTTP/1.0" 200 10283 "-" "Mozilla/5.0 (compatible; Ask Jeeves/Teo ma; +http://about.ask.com/en/docs/about/webmasters.shtml)" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:37 -0700] "GET /tree/img/tinylink.png HTTP/1.1" 200 207 "http://www .tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" msnbot-65-55-105-180.search.msn.com - - [16/Aug/2009:04:40:37 -0700] "GET /onlinecontributors/app?page=ImageGallery&service=external&s p=l27570&state:ImageGallery=ZH4sIAAAAAAAAAFvzloG1nJeBgYGJgYEtLz8l1TOluIiBLyuxLFEvJzEvXc8nPy%2FduvvJhDP9yveZGBi9GFjLEnNKUyuKGAQQivxKc5N Si9rWTJXlnvKgG2hURQEDGGRfKhdgYODNTU3JTHTOSSwu9swrAZoviNAKFEhNTy0SerRgyffGdgugFZ4wKwoZ6hgYQaYAAKhZ4XSlAAAA HTTP/1.1" 200 7899 "-" "msnb ot/1.1 (+http://search.msn.com/msnbot.htm)"
Input to the Mappers...  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Output from Mappers, Input to the Reducers... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Output from Reducers... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Using the analysis... ,[object Object],[object Object],[object Object],[object Object],[object Object]
A Yellow Elephant Enters...
Apache Hadoop Project ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Hadoop's assumptions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Coke/Pepsi, Google/Hadoop ,[object Object]
Google/Hadoop Decoder Ring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
NameNode, DataNodes ,[object Object],[object Object],[object Object]
Big Files, Narrow Access Pattern ,[object Object],[object Object],[object Object],[object Object]
HDFS ,[object Object]
JobTracker, TaskTracker ,[object Object],[object Object],[object Object],[object Object]
Re-execute slow running tasks ,[object Object],[object Object]
Hadoop Ecosystem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Where to next?  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Acknowledgments ,[object Object],[object Object],[object Object],[object Object]
Photo Acknowledgments  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
http://creativecommons.org/licenses/by-nc-sa/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. Your use of this material constitutes acceptance of that license and the conditions of use of materials on this site.

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Is There Room For Another Elephant In Tucson

  • 1. Is There Room for Another                    Elephant in               Tucson? Tucson Java User Group Andrew Lenards
  • 2.
  • 3.
  • 6.
  • 9. Scaling Up Endangered  Practice? Polar Bear Endangered Species
  • 10. DATA!
  • 11. DATA!
  • 12.
  • 13.  
  • 15.
  • 16. MapReduce + RDBMS, not versus Source: "Hadoop: The Definite Guide, Tom White" Traditional RDBMS MapReduce Data Size Gigabytes Petabytes Access Interactive & batch Batch Updates Read and write many times Write once, read many times Structure Static schema Dynamic schema Integrity High Low Scaling Nonlinear Linear
  • 17.
  • 18.
  • 19.
  • 20.
  • 21.
  • 23.
  • 24.
  • 25. crawl-66-249-71-34.googlebot.com - - [16/Aug/2009:04:40:36 -0700] "GET /tree/home.pages/searchTOL?taxon=Arna&Submit2=Find&startline=26  HTTP/1.1" 200 14693 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/img/quicknav/RightArrow.png HTTP /1.1" 200 321 "http://www.tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" localhost.localdomain - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SSiphono phorida&sp=S8149&sp=S HTTP/1.1" 200 5894 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)" llf531045.crawl.yahoo.net - - [16/Aug/2009:04:40:36 -0700] "GET /Siphonophorida/8149 HTTP/1.0" 200 5894 "-" "Mozilla/5.0 (compatible; Yahoo! Slurp/3.0; http://help.yahoo.com/help/us/ysearch/slurp)" localhost.localdomain - - [16/Aug/2009:04:40:36 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SCampanu lotes&sp=S73605&sp=S HTTP/1.1" 200 8571 "-" "Mozilla/4.0" 65.55.108.238 - - [16/Aug/2009:04:40:36 -0700] "GET /Campanulotes/73605 HTTP/1.1" 200 8571 "-" "Mozilla/4.0" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:36 -0700] "GET /tree/img/magnify.gif HTTP/1.1" 200 124 "http://www. tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" localhost.localdomain - - [16/Aug/2009:04:40:37 -0700] "GET /onlinecontributors/app?service=external&page=ViewBranchOrLeaf&sp=SHomo&sp =S16418&sp=S HTTP/1.1" 200 10283 "-" "Mozilla/5.0 (compatible; Ask Jeeves/Teoma; +http://about.ask.com/en/docs/about/webmasters.shtml) " crawler5108.ask.com - - [16/Aug/2009:04:40:37 -0700] "GET /Homo/16418 HTTP/1.0" 200 10283 "-" "Mozilla/5.0 (compatible; Ask Jeeves/Teo ma; +http://about.ask.com/en/docs/about/webmasters.shtml)" astdenis-105-1-18-94.w81-248.abo.wanadoo.fr - - [16/Aug/2009:04:40:37 -0700] "GET /tree/img/tinylink.png HTTP/1.1" 200 207 "http://www .tolweb.org/Echinodermata" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; GTB6)" msnbot-65-55-105-180.search.msn.com - - [16/Aug/2009:04:40:37 -0700] "GET /onlinecontributors/app?page=ImageGallery&service=external&s p=l27570&state:ImageGallery=ZH4sIAAAAAAAAAFvzloG1nJeBgYGJgYEtLz8l1TOluIiBLyuxLFEvJzEvXc8nPy%2FduvvJhDP9yveZGBi9GFjLEnNKUyuKGAQQivxKc5N Si9rWTJXlnvKgG2hURQEDGGRfKhdgYODNTU3JTHTOSSwu9swrAZoviNAKFEhNTy0SerRgyffGdgugFZ4wKwoZ6hgYQaYAAKhZ4XSlAAAA HTTP/1.1" 200 7899 "-" "msnb ot/1.1 (+http://search.msn.com/msnbot.htm)"
  • 26.
  • 27.
  • 28.
  • 29.
  • 30. A Yellow Elephant Enters...
  • 31.
  • 32.
  • 33.
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  • 35.
  • 36.
  • 37.
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  • 42.
  • 43.
  • 44.  
  • 45. http://creativecommons.org/licenses/by-nc-sa/3.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License. Your use of this material constitutes acceptance of that license and the conditions of use of materials on this site.