Cloudsqale is a blog about running, monitoring, tuning and optimizing ad-hoc SQL, batch ETL and streaming workload for large scale analytics in cloud.

My name is Dmitry Tolpeko, and I work with multi-petabyte and multi-cluster data lake environments in Amazon AWS. My professional interest is in distributed computing using Hive, Spark, Presto, Trino, Flink and Snowflake.

Currently I live in Seville, Spain. You can reach me at dmtolpeko@gmail.com or @dmtolpeko.