Dab tsi ua koj txhais los ntawm daim ntawv qhia kom programming? MapReduce yog ib tug programming qauv rua cov zauv loj tagnrho cov ntaub ntawv rau mus tib seem los mus faib rau cov chaw ua hauj lwm rau hauv ib pawg ntawm cov neeg sab nraud paub tab. Cov MapReduce programming qauv inspired los ntawm tej lus…
Yuav ua li cas thiaj teeb Hadoop rau ntawm ib qho ntawm thiab zov ntawm?
Peb yuav piav Hadoop teeb rau ntawm ib qho ntawm thiab zov ntawm. Lub chaw teeb ntawm Hadoop thiab configuration yuav muaj nyob hauv cov lus. Ua ntej koj yuav tsum download tau lub qab software (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM IB) Tib…
Apache Sqoop thiab siv nws ntshuam/export ntaub ntawv Hadoop faib cov ntaub ntawv uas yuav ua li cas yog dab tsi?
Apache Sqoop yog ib tug uas siv rau Identify tej ntaub ntawv los ntawm/rua Hadoop faib cov ntaub ntawv kaw lus. Hadoop architecture muaj txheej txheem rau cov ntawv loj loj thiab muab tso rau hauv HDFS. Tab sis, yog tias peb xav mus siv cov ntaub ntawv ntawd ces peb yuav tau siv ib lub cuab tam…
Dab tsi yog Hadoop Streaming?
Ans : Hadoop streaming yog lub company haib uas muaj Hadoop tis.Lub tswvyim ntawm Hadoop moj khaum theem pib yog phua tau hauj lwm,txheej txheem nyob mus tib seem thiab ces koom nws rov qab mus rau thaum xaus no.Thiaj li muaj muaj ob lub ntsiab…
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 txhaum-tiv thaiv kev.…