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Controlled schema migration of large scale S3 Parquet data sets with Step Functions in a massively…
Controlled schema migration of large scale S3 Parquet data sets with Step Functions in a massively parallel mannerWorking with Machine Learning, and therefore very often with large and growing data...Read more...Effective data exploration via columnar data formats like Parquet
Serverless extraction of large scale data from Elasticsearch to Apache Parquet files on S3 via Lambda Layers, Step Functions and further data analysis via AWS AthenaFeature extraction and...Read more...Pure serverless machine learning inference with AWS Lambda and Layers
After designing and learning a ML model, the hardest part is actually running and maintaining it in production. AWS is offering to host and deploy models via On-Demand ML Hosting on various instance...Read more...Deploy a highly-available Cassandra cluster in AWS using Kubernetes
At Merapar, we use Cassandra as the back-bone for some of our highly-available cloud solutions. Cassandra is a highly available, highly performant, truly horizontal scalable NoSQL database. However,...Read more...Securing IAM access in Kubernetes
Securing AWS IAM access in KubernetesAt Merapar we regularly deploy Kubernetes on AWS and leverage IAM roles so our microservices can gain access to AWS services, such as DynamoDB, S3, Route53, etc....Read more...Sending GraphQL requests through AWS API Gateway using the Apollo client
Apollo Client and AWS API GatewayAt Merapar we frequently use GraphQL and for one particular project we have deployed it in AWS behind the Amazon API Gateway service. Security is managed using AWS...Read more...Tracing microservices with Zipkin and Kibana
For our projects with lots of JAVA microservices, we use Zipkin to get insights into the calls that are made and where the bottlenecks might be. Once we identified an interesting trace, we would like...Read more...NGINX reverse proxy image resizing + AWS S3
How to set up a dynamic image resizer using NGINX with Amazon S3 as an origin.IntroductionMany solutions can be found on the internet for on-demand image resizing. A very popular solution is a...Read more...How to Use AWS API Gateway with Let’s Encrypt
Lots of people use Let’s Encrypt nowadays, here we show you how combine in with Amazon API Gateway to secure your endpoints.When you login onto the AWS API Gateway console and go to custom domain...Read more...Fixing Bash autocompletion on MacOS for kubectl and KOPS
One helpful feature of the Linux Shell is the autocompletion functionality, so in this post we show you how to extend autocomplete to kubectl commands.Most shells allow command completion, typically...Read more...
