MapReduce programming qauv yog dab tsi?
MapReduce programming qauv yog dab tsi?

Video: MapReduce programming qauv yog dab tsi?

Video: MapReduce programming qauv yog dab tsi?
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MapRub . Los ntawm Wikipedia, dawb encyclopedia. MapRub yog a programming qauv thiab ib qho kev sib koom ua ke rau kev ua thiab tsim cov ntaub ntawv loj loj nrog kev sib luag, faib cov algorithm ntawm pawg.

Kuj paub, MapReduce yog dab tsi thiab nws ua haujlwm li cas?

MapRub yog txheej txheej txheej ntawm Hadoop. MapRub yog ib tug programming qauv tsim los ua cov ntaub ntawv loj loj nyob rau hauv parallel los ntawm kev faib cov ua haujlwm mus rau hauv ib txheej ntawm kev ua haujlwm ywj pheej. Ntawm no hauv daim ntawv qhia txo peb tau txais tswv yim raws li ib daim ntawv teev thiab nws converts nws mus rau hauv cov zis uas yog dua ib daim ntawv.

Kuj Paub, MapReduce siv rau dab tsi? MapRub yog lub moj khaum siv uas peb tuaj yeem sau cov ntawv thov los ua cov ntaub ntawv loj, sib npaug, ntawm pawg loj ntawm cov khoom siv kho vajtse kom ntseeg tau. MapRub yog ib lub moj khaum rau txaj muag rau kev sib piv xam uas siv muaj peev xwm loj cov ntaub ntawv teev thiab ntau cov nodes.

Kuj kom paub, dab tsi yog lub ntsiab lus ntawm MapReduce txheej txheem?

MapRub yog kev ua txheej txheem thiab cov qauv kev pab cuam rau kev faib xam raws li java. Cov MapRub algorithm muaj ob txoj haujlwm tseem ceeb, xws li Daim Ntawv Qhia thiab Txo. Daim ntawv qhia siv ib txheej ntawm cov ntaub ntawv thiab hloov nws mus rau lwm cov ntaub ntawv, qhov twg cov ntsiab lus ntawm tus kheej tau tawg mus rau hauv tuples (tus yuam sij / tus nqi khub).

Leej twg qhia MapReduce?

MapRub tiag tiag tau tsim los ntawm Julius Caesar. Tej zaum koj twb hnov lawm MapRub , lub programming qauv rau kev ua cov ntaub ntawv loj teev nrog ib tug sib npaug thiab faib algorithm ntawm ib pawg, lub hauv paus ntawm cov ntaub ntawv loj eclosion, yog invented los ntawm Google.

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