google summary grp 8

8/8/2019 Google Summary Grp 8

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Deepti Duggal 2009b44Kalpit patel 2009b47

Padmakar pagare 2009b45Subhodeep bandopadhyay 2009b48

Chitrana jain 2009b46


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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


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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.


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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.


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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.

google summary grp 8

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