Daim ntawv qhia/txo tej hauv Hadoop yog dab tsi?

Ans : Zauv loj heev npaum ntawv (zov-terabyte ntaub ntawv-poob lawm) yog muaj teeb meem nyob rau hauv tej lub neej tiag tej yaam num.Li ntawd luaj li cas ntawm cov ntaub ntawv yog ua ib hnub yog ib hnub, kev siv cov nrhiav nws laj txheej txheem nws rau txhim khu kev ib qha,secured thiab tiv txhaum-thaiv txoj kev.

Qhov lub moj khaum Hadoop daim ntawv qhia/txo tej ua li no.Nws yuav pab sau rau daim ntaub ntawv yooj yim twg txoj kev loj heev npaum li cas cov ntaub ntawv khaws cia tag nrho cov kev txhawj xeeb txog hauv siab.Yog tus biggest kom zoo dua, Daim ntawv qhia los txo tej pub rau thaum uas tig mus xyuas rau loj loj nyob hauv kho vajtse.

Lub ntsiab tseem ceeb qab daim ntawv qhia los txo tej no

ib) Phua cov hauj lwm rau cov neeg sab nraud paub tab (peb paub los lawm raws li daim ntawv qhia paub tab).
b) Txheej txheem txoj kev paub tab thaum uas tig mus caij.
c) Txheeb lub tso zis rau maps thiab xa tuaj raws li cov tswv yim rau kev ua hauj lwm txo tej (peb paub los lawm li txo tej kev pab raws qib).

Vim li ntawd nws yog thaum uas tig mus yeej khiav ntawm chunks thiab mam li pub ntxiv tshaj lawv rov qab mus rau thaum xaus no.Lub moj khaum yuav siv sij hawm xyuas teem dua cov paub tab, xyuas lawv thiab executes cov kev pab raws qib failed rov.

Ceeb toom : Hauv radon yog ib lub sij hawm kom muaj nqis li uas yog muaj lwm yam xws li feem ntau tshaj.

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