Phaaj Hadoop Basic – paub tias tam sim no

Hadoop and Big Data

Hadoop thiab ntaub ntawv ntau – Tswvyim yooj yim

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 rau ntxiv tshiab Q/A ntawm nplooj ntawv no los tshawb cov ces kaum sib txawv ntawm Hadoop ntiaj teb. Thov khaws cia rau menyuam.







Lus nug: YARN yog dab tsi?

Teb: Nws yog ib tug framework rau cov sij hawm ua hauj lwm thiab kev pab tswj.

Lus nug: Mapreduce Mapreduce ua haujlwm?

Teb: Nyob rau hauv mapreduce, Cov txheej txheem compute yog tsiv mus nyob rau hauv cov ntaub ntawv rau lub node (HDFS).

Lus nug: Cov kev xaiv rau 'safemode’ hais kom ua?

Teb: sau, ncaim

Lus nug: Yuav ua li cas yog muaj ntau tus neeg xav mus saib tau cov ntaub ntawv tib yam hauv HDFS ntawm lub sij hawm ib zaug xwb?

Teb: Tsuas tus neeg siv thawj zaug yuav tau txais kev mus saib thiab lwm tus yuav raug muab tso tseg.

Lus nug: Lub hom phiaj ntawm Speculative Tiav hauv Hadoop?

Teb: Tso rov qab mus ua hauj lwm rau overcome qeeb khiav nodes.

yuav txuas ntxiv mus…………..

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