#397 — March 17, 2021 |
Postgres Weekly |
Tackling the Travelling Salesperson Problem with PostGIS and pgRouting — The Travelling Salesperson Problem is the problem of routing between a variety of points visiting each only once and in as short a distance as possible. This post tackles the problem in a PostGIS powered Postgres database using pgRouting’s extensions. Florian Nadler |
Amazon Makes ARM-Based Instances Generally Available for Aurora — AWS Graviton2 processors are ARM-based CPUs that are custom built by AWS themselves and seem to offer much improved performance at a lower cost (a la Apple and their new M1 chips). This announcement brings the perf and cost improvements to Amazon Aurora PostgreSQL (and MySQL) users. Amazon Web Services |
Free eBook: Efficient Search in Rails with Postgres — Speed up a search query from seconds to milliseconds and learn about exact matches, trigrams, ILIKE, and full-text search. pganalyze sponsor |
Can Michael Christofides |
Building a Postgres-Backed “Data Lake” for Reporting Purposes — Most companies make data driven decisions and querying data warehouses (or ‘lakes’, when the data is less formally structured) is a common activity. This extensive tale covers how one company approached it using Postgres and FDWs in an intriguing manner. Paul Bonaud |
Basic Practices for Optimizing Postgres Read and Write Performance — Some basic techniques and speed optimization ‘rules’ to take into account. Michael Aboagye |
Running Postgres in Docker - Why and How? — An introduction to Docker and whether you should run production Postgres workloads in a docker container. Kaarel Moppel |
Scaling Out Postgres with the Citus Open Source Shard Rebalancer — Last week’s Citus 10 release included the open sourcing of its shard rebalancer, a key part of how Citus optimizes tables split/sharded across different nodes. Jelte Fennema |
Performance Differences Between Postgres and MySQL Blessing Krofegha |
Tuning Your Postgres Database for High Write Loads Tom Swartz |
🔧 Tools and Code |
PgHero 2.8: A Performance Dashboard for Postgres — A dashboard built in Ruby (and used at Instacart) that lets you look at basic performance stats including live queries, maintenance status, and connections. Andrew Kane |
Monitoring Postgres with Nagios and Checkmk — A RHEL/CentOS focused tutorial but it’s a neat setup. Checkmk is a tool that sits above Nagios and provides an arguably nicer interface. Hamid Akhtar |
Build Internal Apps (Faster) on Top of Postgres — Build internal apps without the mundane, boring bits (wrestling with UI libraries or hacking together data sources & APIs). Retool sponsor |
SQLBoiler 4.5: Generate a Go ORM Tailored to Your Database Schema — The idea is that you create your schema at the database level first and then this interrogates the schema and generates ORM code for Go based upon the actual design. Volatile Technologies Inc. |
Orafce 3.15.0 Released: Postgres Implementations of Oracle Database Functions Pavel Stěhule |
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