Txheej txheem cej luam: Muaj ib Rev ua cov haujlwm txhais cov ntsiab lus rau cov ntaub ntawv loj tsis tau rau kuv nws yog muab raws li tej ntaub ntawv ces ntau yam pauv loj thiab txoj uas nws xaus txoj puab los yog cov ntaub ntawv rau cov neeg siv khiav cov pa databases. Rau me ntsis…
Ntawv loj: Phem ib tug ntawv loj loj los yog ib tug Changer mas
Txheej txheem cej luam: Cov ntaub ntawv yog evolving qhov txhia chaw- Ntawm ib lub suab ib zaug xwb koj cia li mus nrhiav ib tug nyob ze koj tsev noj mov nyob ze koj tej zej zog rau lub xeem lis xaus tus neeg duab uas koj nyuam qhuav txawb Facebook account. "Ib daim ntawv qhia txog tias 2.5 quintion…
Yog vim li cas Apache txim lub platform yav tom ntej rau tej ntaub ntawv loj?
Txheej txheem cej luam: Raws li cov ntaub ntawv loj yuav yog ib qhov tseem ceeb tshaj plaws cuab tam ib enterprise yuav possesses, enterprises yog demanding ntau tawm ntawm cov ntaub ntawv. Enterprises cia siab tias cov ntaub ntawv muab complex thiab multimidensional insights nyob siab ceev. Muab tej kev pom zoo li no, tuam txhab uas muag…
Kawm ua HBase NoSQL DB
Txheej txheem cej luam: Apache HBase yog ib lub nyiam tuaj tsis-paub databases los ua neeg nyob saum Hadoop thiab HDFS (Hadoop muab theej thiab faib cov ntaub ntawv kaw lus). Nws no tseem Hadoop database. Raws li tus Apache yog ib qhov, HBase yog ib txoj kev qhib-qhov chaw, versioned thiab distributed…
Tus npua Apache thiab Hadoop platform – Txheej txheem koj cov ntaub ntawv yuav ua li cas?
Txheej txheem cej luam: Tus npua Apache yog muaj npaum li scripting hais lus thiab ib feem ntawm Apache Hadoop Eco-lawv. Scripting npua mas siv rau kev tsom xam cov ntaub ntawv thiab manipulation saum Hadoop platform. Peb paub tias MapReduce yog ib tug programming qauv siv…
Phaaj Hadoop Basic – paub tias tam sim no
Taw qhia: Hauv no koob, Peb yuav tham txog tej lub tswvyim yooj yim nyob rau hauv Hadoop thiab ntaub ntawv loj. Peb twb sim los npog cov tswvyim yooj yim thiab piav txog lawv kom yooj yim thiab siv. Peb yuav ua kom ntxiv…
Cov kauj ruam yuav ua hauj lwm nrog cov qhov rais Azure HDInsight
Txheej txheem cej luam: Hadoop tau ua ntaub ntawv loj tuav sob thiab nws mus tsis tau hais tias lub ntsiab lus teb txog qhov tseem ceeb loj loj loj tej ntaub ntawv tau muab, Hadoop yog saib raws li ib tug tseem ceeb uas saib xyuas cov ntaub ntawv loj. Txawm li cas los, koom haum tej zaum…
Hom plahaum Hadoop – wb tshawb
Txheej txheem cej luam: Apache Hadoop yuav muab ntsia tau rau hauv ntau hom as per lub. Cov hom ntau yog configured thaum plahaum. Yog vim, Hadoop ntsia rau hom Standalone. Lwm cov hom tsis muaj Pseudo distributed hom thiab hom distributed. Lub hom phiaj…
HDFS federation yog dab tsi?
Txheej txheem cej luam: Peb yeej paub zoo txog cov yam ntxwv ntawm Hadoop thiab HDFS. Nyob rau hauv daim ntawv no peb yuav tham txog qhov HDFS federation uas pab peb yuav txhim khu kev HDFS architecture uas twb muaj lawm. Nws muaj ib tug sib cais ntawm namespace thiab cia…
Lub caij nplooj hlav rau Apache Hadoop yog dab tsi?
Txheej txheem cej luam: Caij nplooj ntoos hlav yog ib yam ntawm cov coj lug siv nyob rau hauv txoj kev loj hlob daim ntaub ntawv enterprise. Caij nplooj ntoos hlav twb txawv Cheebtsam xws li lub caij nplooj ntoos hlav ORM, Caij nplooj ntoos hlav JDBC yam txhawb ntau nta. Lub caij nplooj hlav rau Apache Hadoop yog txhawb lub tsev ntawv nrog Hadoop Cheebtsam lub moj khaum…
Qhov tseeb tiam sis hauv ntaub ntawv loj loj thiab analytics yog dab tsi?
Txheej txheem cej luam: Tshuab loj cov ntaub ntawv no los txog rau txoj kev zoo tshaj thiab zoo dua tiam sis txhua hnub. Loj yog maj los ua tej yaam num tseem ceeb kwj kuj tau thiab nkag mus rau hauv momentum. Uas muaj ntaub ntawv loj, analytics yuav tau ntau qhov tseem ceeb, Thaum…
Hadoop yog zoo li cas faib cov ntaub ntawv kaw lus (HDFS)?
Txheej txheem cej luam: Nyob rau cov tshooj no kuv yuav tham txog HDFS, Nws yog ib lwm lawv tej ntaub ntawv ntawm lub moj khaum Apache Hadoop. Hadoop muab theej thiab faib cov ntaub ntawv kaw lus (HDFS) yog ib qhov chaw cia distributed uas spans nyob hauv radon txhiab. Muab tej ntaub ntawv lub…
Li cas Hadoop tau Streaming xwb?
Txheej txheem cej luam: Hadoop tau streaming yog ib qhov tseem ceeb tshaj plaws company nyob Hadoop tis. Streaming interface txog Hadoop tso cai rau koj sau daim ntawv qhia kom qhov kev pab cuam tej lus uas koj xaiv, uas tau ua hauj lwm nrog cov STDIN thiab STDOUT. Li ntawd, Tau streaming…