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Google ý - Google? s

GFS ot Google ý Google ׸ ϴ Google Ư¡̴. GFS ū ϱ Ͽ 1 ǥ , ٰϴ ִ л ý̴. ִ ? ϴ ǰ Ʈũ ? й ? ֺ ִ , ⿡ װ ǥ ڷḦ ټ 䱸 ϱ Ͽ лŰ ̴.

GFS ΰ?

ϱ GFS ϴ ü, ׸ 쿡 ֿ Ȯ ڿ ɷ ڷ Ŵ ȸϱ Ͽ ̾ Ѵ װ Google̾°? s Ҹ GB ̴.

 GFS ?

Google ǿ ? s Jeffery , GFS ڿ ̵ ŷ ξ ڷḦ ߽ϰ ̴. GFS ü ֵ 뿹 ۵Ѵ. 뿹 Ǵ ٸ ۵ϴ 1 谡 ִ.

üũϰ ֱ Ͽ åִ? ڷᰡ Ǵ°? , Ÿ- (ڷῡ Ͽ ڷ) ҷ. GFS ִ Ͽ  ڷ ϵ 3 纻 ϰ Ѵ. Ÿ-ʹ ֱ ġ, i.e Ѵ, access.GFS ؼ ڷ Ŵ , ó¥ ϱ Ͽ εǾ,

Google ū ̴ (̴ Ʈũ ǻ Բ ׷̴) ũ õ terrabytes Ѵ.

 GFS ִ ڷ п ?

GFS, ֵ ʷ Ѱ ̻ Ǵ 뿹 ڷ ġ 䱸ϴ 䱸 ű 䱸 Ѵ. ð 䱸 Ͽ ɸ 纻 (3 纻 !!) ü ġ.

In case of one of the slaves or nodes fail, its Master which is responsible to maintain the count of nodes either by reallocating ro some other machine or creating a duplicate copy. Although there is only single master ?active? at any given point, the state of master ( log of what the master has been doing) is present on other machines too.

Thus in case of failure of master , another machine which knows what the failed master was doing takes the position and keeps the work on move.This is an overview of how GFS works. For more technical details look at GFS PapersNext post I will talk about MapReduce Tech used by Google which forms another heart of Google?s success.

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Posted on 14th April 2007 by Ashish Mohta , A tech blogger who writes about solving day to day problems of people who use computer. He also writes on How to use the applications like Office, PC tips, Online tools,Browsers and more. All posts by Ashish Mohta | Connect with me @ Twitter | Linkedin | Facebook | Stumble | Need more help? Ask your Questions at our Support Center

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