Notes from the field
Read latency that keeps climbing. An Essbase cube nobody can maintain. An AWS bill that grew faster than the company. A purge job that stopped finishing. Notes from the engagements that started there.
The AWS Decisions That Get Expensive Later
A founder's checklist of the AWS architecture decisions that are cheap to make early and painful to retrofit — from account structure and tagging to data store choice and storage lifecycle.
Five Signals Your Cassandra Cluster Is in Trouble
Cassandra rarely fails loudly — it degrades. Here are the five warning signs that show up again and again in production cluster health checks, and what to look at first.
Moving Multi-Dimensional Aggregations from Essbase to Snowflake
Essbase precomputed aggregations because compute was scarce. Snowflake changes that assumption — here's how to think about moving multi-dimensional financial aggregations onto a modern data platform.
Partitioning Oracle for IoT Scale Without Downtime
When IoT sensor data grows exponentially, DELETE stops working as a purge strategy. Here's how range partitioning turns data retention into a metadata operation — and how to get there on a live system.