PinnedAleksandr Filichkin·Sep 16, 2021AWS Lambda battle 2021: performance comparison for all languages (cold and warm start)Let’s compare the performance of all supported runtimes + 2 custom runtimes (Rust and GraalVM).A response icon24A response icon24
PinnedAleksandr Filichkin·Feb 7, 2019Microservice performance battle: Spring MVC vs WebFluxI would like to talk about interesting stuff that I faced on my project. For our client, we wrote some lightweight microservices in AWS…A response icon13A response icon13
PinnedAleksandr Filichkin·Mar 1, 2021EC2 versus Fargate: performance comparisonNowadays, Fargate is very popular. It solves such ECS with EC2 problems as:A response icon4A response icon4
InAWS TipbyAleksandr Filichkin·Aug 26, 2025Sidecar performance battle: Envoy vs Traefik for JWT validationWhen building modern distributed systems, authentication is often handled by validating JWT (JSON Web Tokens) at the edge or within each…
Aleksandr Filichkin·Dec 7, 2024OpenTelemetry tracing for Java AWS LambdaHow to send Opentelemetry traces from AWS Lambda and do not bring additional latency
InAWS TipbyAleksandr Filichkin·May 3, 2023Java 17 vs Java 11 for AWS LambdaRecently AWS announced supporting Java 17 runtime for AWS Lambda. In this article, we are going to compare the performance between Java 17…A response icon1A response icon1
Aleksandr Filichkin·Mar 26, 2023Measuring cold start time of AWS Lambda functions with Java and SnapStartI hope everyone already knows that Java is not a perfect language for AWS Lambda because of its huge cold start(first start) issue. You can…
Aleksandr Filichkin·Dec 3, 2022Project Loom with Spring boot: performance testsToday I would like to test if Project Loom is ready to replace Spring WebFlux(the most popular efficient reactive framework) for writing…A response icon10A response icon10
Aleksandr Filichkin·May 2, 2022AWS Lambda GraalVM native: Quarkus vs plain JavaI prefer to use plain Java code for GraalVM native AWS Lambda but my colleagues often ask me why I don’t consider some framework for this.A response icon5A response icon5
Aleksandr Filichkin·Nov 5, 2021AWS Lambda battle: x86 vs ARM(Graviton2) performanceAs you may know, just a month ago AWS announced AWS Graviton2 Processors for AWS Lambda and says that AWS Lambda functions using the…A response icon3A response icon3