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Machine Learning Orchestration

Project description

Dbnd Airflow Export plugin

The plugin

dbnd-airflow-export-plugin is a plugin for Airflow system, enables you to fetch data from Airflow database and DAG folder. This Airflow side module is one of two components allows you to observe your Airflow data with Databand system.

What does it do?

The plugin exposes a REST Api within GET /export_data which, expects since (utc). This api returns json with all the relevant information scraped from airflow system.

Configuring Airflow instance

To improve performance and reduce the runtime overhead on airflow database, we advise to add an index on end_date column to task_instance and dag_run tables i.e.

   CREATE INDEX dbnd_ti_end_date_ind ON task_instance (end_date);
   CREATE INDEX dbnd_dr_end_date_ind ON dag_run (end_date);

Installation

In order to install dbnd-airflow-export-plugin we are using Airflow plugin system.

pip install databand[airflow-export]

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