Archive of July, 2021

Last week we wanted to parse some XML data with Spark. We have a column with unstructured XML documents and we need to extract text fields from it. This article shows how you can extract data in Spark using a UDF and ElementTree, the Python XML parser.

This week we’ve been working on processing the access logs from Cloudflare with Databricks (Spark). We now have a job that generates a huge CSV file (+1GB) and sends it on towards by FTP for further processing with an external tool. Creating a DataFrame with the right data was easy. Now, let’s explore how to do a CSV export, secrets management and an FTP transfer!