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Diana Hsieh in Learning with Diagrams

Aug 6, 2018

Using TimescaleDB + Prometheus to monitor and troubleshoot CockroachDB

If you’ve read any of my older posts, you’ll know that I used to work for CockroachDB. I recently moved to join Timescale, an open-source time-series database, so if it’s not obvious, I have a soft spot for…

Diana Hsieh in Learning with Diagrams

Oct 22, 2017

Handling Contention with PostgreSQL

Understanding how concurrency is achieved under the hood is pretty important for anyone using databases since it impacts things like isolation guarantees and performance. I had originally wanted to share a comparison of how CockroachDB and PostgreSQL use MVCC…

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Diana Hsieh in Learning with Diagrams

Sep 25, 2017

Intro to Kafka

I’ve recently started reading The Definitive Guide to Kafka. Here are my diagrams covering the first couple chapters of the book. It provides a general overview as well as details on producers and consumers.

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Diana Hsieh in Learning with Diagrams

Jan 7, 2018

Database Partitioning: PostgreSQL and MongoDB

As GDPR comes into focus in the upcoming year, there has been talk in the database world of how partitioning can provide DBAs with more control over where their data lives. Partitioning is a fundamental building block that enables several interesting…

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Diana Hsieh in Learning with Diagrams

Dec 17, 2017

Handling Contention with CockroachDB

The end of the year is such a busy time! As a follow-up to my last blog post about Handling Contention with PostgreSQL, here’s a post that digs into how CockroachDB handles contention. Like PostgreSQL, CockroachDB uses MVCC to figure out the right version of data…

Diana Hsieh in Learning with Diagrams

Sep 9, 2017

CockroachDB Overview

I’ve recently decided to embark on a journey to graphically represent the technical concepts that I learn on a daily basis. I find that simplifying complex ideas into diagrams or drawings reinforce the most important take-aways. To begin with, I’ve created a very high-level overview of…