I have tried AWS Glue before and here are my thoughts on it. AWS Glue is made of Apache Spark, and it was interesting for me to touch Spark for the first time at that time, I was thinking that I would put together a usage guide for Glue wh…

We originally used AWS Redshift, but it was quite expensive, so we switched to Google BigQuery. After that, Redshift Spectrum came out, and I was wondering if it might be better than BigQuery, so I touched it and here are my impressions. A…