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airflow

How to retrieve Airflow data from it’s database

November 28, 2022 by Magenaut

Hi I am working on a project to display more visualization in my dashboard from the Airflow data. I am struggling on how can I query Airflow database directly to retrieve such data. Is there a way how can I retrieve data from Airflow database? Thanks

Categories MySQL, Q&A Tags airflow, mysql Leave a comment

Best Practice when Writing PySpark DataFrames to MySQL

November 27, 2022 by Magenaut

I am trying to develop a few data pipelines using Apache Airflow with scheduled Spark jobs.

Categories MySQL, Q&A Tags airflow, apache-spark-sql, mysql, pyspark, python Leave a comment

Airflow2 very slow with MySql5.7 on LocalExecutor – Got an error reading communication packets

November 27, 2022 by Magenaut

Following the MySql guide here, m using this docker-compose file. First I spin-up airflow-init container that runs db migration and creates admin user in mysql database. Then run scheduler, I start seeing following logs in MySql;

Categories MySQL, Q&A Tags airflow, docker, mysql Leave a comment

Read and group json files by date element using pyspark

August 22, 2022 by Magenaut

I have multiple JSON files (10 TB ~) on a S3 bucket, and I need to organize these files by a date element present in every json document.

Categories Python, Q&A Tags airflow, apache-spark, databricks, pyspark, python Leave a comment

setting up s3 for logs in airflow

August 15, 2022 by Magenaut

I am using docker-compose to set up a scalable airflow cluster. I based my approach off of this Dockerfile https://hub.docker.com/r/puckel/docker-airflow/

Categories Python, Q&A Tags airflow, amazon-s3, python Leave a comment

How to create a conditional task in Airflow

August 11, 2022 by Magenaut

I would like to create a conditional task in Airflow as described in the schema below. The expected scenario is the following:

Categories Python, Q&A Tags airflow, conditional-statements, python Leave a comment

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