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8/8/2019 Google Summary Grp 8
1/13
Deepti Duggal 2009b44Kalpit patel 2009b47
Padmakar pagare 2009b45Subhodeep bandopadhyay 2009b48
Chitrana jain 2009b46
8/8/2019 Google Summary Grp 8
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How Google Works
y Closely associated with PageRank algorithm
y Pagerank indicated webpage importance .y More clicks on a webpage equals mor weightage and
closely allied with internet search
y Google search is like a nova
8/8/2019 Google Summary Grp 8
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How google technology has
emergedy Series of continous improvement kaizan.
y Incremental innovations clever adaptation of
research computing concepts.y Reminiscent of bit torrents.
y It implementation of new function and library toeliminate manual coding.
8/8/2019 Google Summary Grp 8
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Google fusion:Hardware and
software.
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Google Fusion:Hardware and
software.
y Refine server racks, cable placements, colling devicesand data centre layout resulting in low cost operation.
y It has a turbo charged super computer, software tools.
8/8/2019 Google Summary Grp 8
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How Google is different?
y More number of data centers.
y Hardware can be bought at a local computer store.y Google server come with a pizza box.
y Cheap hardware and software.
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Google pizza boxWorks in Organized cluster to create a more robust system
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Eliminate or Reduce certain System
Expensesy Cost incurred for backing up data is eliminated as it
copies data 3 to 6 times elsewhere in googleplex.
y No expense due to additional hardware. They usepizza boxes.
y Google uses open source technology and hence doesnt
have to work through bottlenecks.
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Snapshots of Google Techy Google tech is available on the internet but the links
keep changing.
y They are not useful to layman readers.
yA lot of papers technical notes, monographs are
available.
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Snapshots of Google Tech
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Drawbacks of GooglePlexy Going too fast, the google web accelerator.
y The laws of physics: Heat and Power 101
y Other data center issues
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Unanticipated Faults Could Derail
Googles Juggernaut
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Leveraging of GooglePlexy Google has demonstrated that search is just one application that can run in the Googley environment. There are many other applications that can benefit from Googles approach
toy online services.y 1 Applications that require a high performance payoff for a low cost such as
electronicy mail.y 2 An application that can run in Googles redundant environment where there is
noy private-state replication such as found in IBMs AS/400 operating environment andy others.y 3 Computationally-intensive, stateless applications.y 4 Applications that require request-level parallelism, a characteristic exploitable
byy running individual requests on separate servers such as Google Earth.