Who is Who

Using Redis to store Laravel sessions is a good idea. But be sure to allocate an instance large enough, especially if you use it also for caching pourposes.AWS Elasticache graphs are not eloquent enough about you effective memory usage. Querying the instance with redis-cli seems to be more effective.…

Progressive PDF Loading

If you have large PDF documents to serve into a website, probably you don't want those are fetched entirely before showing to the user. And if you host them in AWS S3, you may also be concerned about bandwidth usage and costs. Mozilla's PDF.js handles progressive loading and handling,…

Virtual Billionaire

A few minutes ago I received a mail. I doubled checked for sender and included links looking for a sign of scam, but the message appears to be legit. The mail body (bold is mine): Hello, We periodically audit our metering and billing processes for accuracy. During a recent such…

Semi-Auto Scaling

In those days, I had my first experience with auto-scaling of AWS EC2 instances. And, as everything in AWS, it has been a PITA to give a sense to the many obscure option and possibilities. The main issue with auto-scaling is deploying updates of the software. Due the requirements and…