Video: Kuv puas yuav tsum kawm Hadoop rau txim?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Tsis yog, koj tsis ua yuav tsum kawm Hadoop rau kawmSpark . Teeb yog ib qhov project ywj siab. Tab sis tom qab YARNand Hadoop 2.0, Teeb tau nrov vim Teeb tuaj yeem khiav saum HDFS nrog rau lwm yam Hadoop cov khoom. Hadoop yog lub moj khaum uas koj sauMapReduce txoj haujlwm los ntawm kev txais cov chav kawm Java.
Ib yam li ntawd, qhov twg yog qhov zoo dua los kawm lub txim lossis Hadoop?
Thawj qhov sib txawv tseem ceeb yog lub peev xwm ntawm RAM thiab siv nws. Teeb siv ntau Random Access Memorythan Hadoop , tab sis nws "noj" tsawg dua ntawm internet lossis disc nco, yog li yog tias koj siv Hadoop , yog zoo dua mus nrhiav tau lub tshuab haib nrog loj internalstorage.
Qhov thib ob, yog Hadoop yooj yim kawm? Hadoop programming yog yooj yim dua rau cov neeg uas muaj kev txawj ntse SQL ib yam nkaus - ua tsaug rau npua thiab Hive. Cov tub ntxhais kawm lossis cov kws tshaj lij yam tsis muaj keeb kwm programming, tsuas yog kev paub txog kev paub hauv SQL, tuaj yeem paub Hadoop los ntawm kev ua kom tiav Hadoop kev cob qhia yog tias lawv muaj kev mob siab rau thiab txaus siab rau kawm.
Kuj nug, yuav siv sijhawm ntev npaum li cas los kawm Hadoop?
kwv yees li 3-4 lub hlis
Puas yog lub txim hloov Hadoop?
Teeb yeej tsis tau ib hloov rau Hadoop ! Teeb yog lub tshuab ua haujlwm uas ua haujlwm saum toj kawg nkaus Hadoop ecosystem. Raws li pom nyob rau hauv lub abovearchitecture, Teeb los nyob rau hauv qhov chaw ntawm MapReduce nyob rau hauv lub Hadoop ecosystem. Muaj lwm yam khoom siv hauv lub Hadoop architecture ua cov ntaub ntawv zoo li Pig andHive.
Pom zoo:
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