Blog

Reduce Athena Costs

How to Reduce Amazon Athena Costs by Up to 90%

Amazon Athena is easy to use, but query costs can grow quickly when data in S3

Converting CSV and JSON to Parquet on AWS

Converting CSV and JSON to Parquet on AWS: Options, Pros, and Cons

There are several ways to convert CSV and JSON to Parquet...

Parquet Schema Explained

Parquet Schema Explained: Why It Matters for Analytics

Apache Parquet has become the standard file format for modern analytics platforms such as...

Parquet Schema Explained

Avoid Building Data Infrastructure

Every growing software company eventually runs into the same problem. Your application starts generating more data....

Parquet Schema Explained

Parquet Compression Explained

Apache Parquet is one of the most efficient file formats for analytics, but much of its performance comes from one important feature: compression.

Parquet Versions Explained

Compress Archived Data and Reduce Storage Costs

Many companies keep years of logs, exports, backups, and historical datasets in Amazon S3. Those files are rarely modified but still consume storage and may eventually be queried with tools like Athena.

Parquet Versions Explained

Parquet Versions Explained: Parquet v1 vs Parquet v2

Apache Parquet is one of the most widely used file formats for analytics. It stores data in a columnar layout, making queries faster and reducing storage costs.

Parquet Versions Explained

What Are Amazon Athena, Apache Spark, AWS Glue, Trino, and Presto? A Simple Guide

Modern companies collect huge amounts of data from applications, websites, logs, payments, sensors, CRM systems, and internal tools. Storing this data is only the first step. To get value from it, companies need tools that can query, transform, clean, and analyze it. Athena, Spark, Glue, Trino, and Presto help companies analyze and process data at scale.