Dabs hauv airflow yog dab tsi?

Cov txheej txheem:

Dabs hauv airflow yog dab tsi?
Dabs hauv airflow yog dab tsi?

Video: Dabs hauv airflow yog dab tsi?

Video: Dabs hauv airflow yog dab tsi?
Video: Xyw By Nquab Tsab New Song 2022-2023 2024, Kaum ib hlis
Anonim

DAGs. Hauv Airflow, DAG - lossis a Qhia Acyclic Graph- yog ib phau ntawm txhua txoj haujlwm koj xav khiav, koom ua ib txoj hauv kev uas qhia txog lawv txoj kev sib raug zoo thiab kev vam khom.

Koj ua DAGs hauv Airflow li cas?

Tau tsim DAG hauv Airflow, koj ib txwm yuav tsum tau import DAG chav kawmTom qab chav DAG, tuaj ntawm cov neeg ua haujlwm imports. Yeej, rau txhua tus neeg teb xov tooj koj xav siv, koj yuav tsum ua tus coj ntshuam. Piv txwv li, koj xav ua haujlwm Python, koj yuav tsum tau import PythonOperator.

Airflow nrhiav DAGs nyob qhov twg?

Airflow saib hauv koj DAGS_FOLDER rau cov qauv uas muaj DAG cov khoom hauv lawv lub npe thoob ntiaj teb thiab ntxiv cov khoom nws pom hauv DagBag.

Airflow khaws DAGs li cas?

Apache Airflow Metadata Database:

Cov metadata database khaws cov teeb tsa, xws li kev sib txawv thiab kev sib txuas Nws kuj khaws cov ntaub ntawv siv, lub luag haujlwm, thiab cov cai. Thaum kawg, tus Scheduler txheeb xyuas tag nrho cov DAGs thiab khaws cov ntaub ntawv cuam tshuam xws li lub sijhawm teem sijhawm, txheeb cais los ntawm txhua qhov kev khiav, thiab lawv cov haujlwm.

Puas Airflow yog ETL cov cuab yeej?

Airflow tsis yog ib qho cuab yeej ETL rau se. Tab sis nws tswj hwm, tsim, thiab teeb tsa ETL cov kav dej siv qee yam hu ua Directed Acyclic Graphs (DAGs). … Cov ntaub ntawv metadata khaws cov haujlwm ua haujlwm / haujlwm (DAGs).

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