Andrés

Platform lock-in : A special flavor of product lock-in is being locked into a platform, especially cloud platforms. Such platforms not only run your applications, but they may also hold your user accounts and associated access rights, security policies, infrastructure segmentations and many more aspects. They also provide application-level

... See more

Version lock-in : Besides being locked into a product, you may even be locked into a specific version. Version upgrades can be costly if they break existing customizations and extensions you have built (SAP, anyone?). Other version upgrades essentially require you to rewrite your application - AngularJS vs. Angular 2 comes to mind. To make matters

... See more

Cloudflare serves around 20% of the web with 46 million requests a second. Surely they must have a lot of data. Where do they store it? Plain old PostgreSQL. 🐘 Around 15-20 clusters of them. Each cluster... See more

The "Painless" data migration

1. Another challenge was to incorporate the above changes for the existing data i.e. increasing the number of shards and defining a custom routing key for each of the document. The existing index had close to 33 MN documents at the time of the change


2. Given that the routing key and the number of shards needed to changes, a

... See more