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Best Practices to Monitor and Troubleshoot Serverless Applications

Author: Ran Ribenzaft - CTO at Epsagon, Hen Peretz - Software Engineer at Epsagon, and Stuart Scott, AWS Lead Serverless has had a great impact on de...

AWS Lambda and Express – Getting Started Guide

What are we building? In this guide, we will learn how to set up a simple Node.js Express API, powered by an AWS Lambda function, and what are the pros and cons for such a se...

Deploy AWS Lambda Using Command-Line Tools

There are many tools that can be used to deploy and work with AWS Lambda. The Popular Deployment Tools for Serverless provides a good overview of them. In many cases, a comman...

Finding Serverless’ Hidden Costs

Serverless, the concept of running software without managing infrastructure, is often coupled with pay-per-use. Services, such as AWS Lambda, serve as an example: for ever...

AWS Lambda and Secret Management

Werner Vogels, the CTO of Amazon, describes AWS Lambda as the “connective tissue” for your cloud-native application. It’s an apt description, as AWS Lambda functions oft...

Announcing One-Click Serverless Monitoring

Here at Epsagon, we take a holistic approach to monitoring. We want you to be able to have a complete understanding of your application, with absolutely zero code changes. ...

Introducing: Issues Manager

Another week, another feature! In the process of gaining observability and solving errors in your AWS Lambda functions, we're launching today the new Epsagon Issue Manag...

Why DevOps Engineers Love AWS Lambda

AWS Lambda provides a wide range of possibilities for automating DevOps tasks and processes. Prior to AWS Lambda, we relied on a server that executed all required tasks and sc...

Serverless Monitoring in Practice – Webinar

In this webinar you will learn: What are the key observability considerations when operating a serverless application? How distributed tracing and visualization ca...

Introducing Trace Search

From the first day, one of Epsagon's main goals was to reduce the troubleshooting time of complex issues. Serverless applications are distributed, and as such, they have many ...

Error Handling in AWS Lambda With Wrappers

We have been using web frameworks to develop web applications since long before serverless came around, and middlewares are stable in these web frameworks. Express.js, for ins...

The Hitchhiker’s Guide to Serverless

What you should know about serverless, the universe and everything. As with any new technology, the serverless ecosystem is evolving rapidly. Cloud providers are releasing ne...

Fast Troubleshooting With Function Drill-Down

We're announcing a new feature today at Epsagon, which makes troubleshooting easier than ever. From the functions view, you can now drill-down into a specific function invocat...

Considerations for the Beginner Serverless Developer

Breaking into a new technology is always hard, especially for a paradigm shift as drastic as serverless. Even as a long time user of AWS Lambda (relative speaking, since Lambd...

See Your Lambda Triggers

We're announcing today a new feature - you can now see your Lambda function triggers using Epsagon's automatic function scanning. See them in action in the functions page of o...

How to Free AWS Lambda Code Storage (CodeStorageExceeded)

What is it about? You are already up and running with AWS Lambda for several months, and all of a sudden you get the following error: An error occurred: TestDashdeliveryLa...

Announcing Automated Tracing for Java

Just a week after announcing the general availability of our automated instrumentation for Go, we are thrilled to announce today that our Java automated instrumentation librar...

How to Minimize AWS Lambda Cold Starts

Serverless architecture is the new kid on the block, and according to a recent survey by Serverless, Inc., a vast majority of developers will start using it by the end of the ...

Bring Your Epsagon Layer to AWS Lambda

AWS has officially released today, at re:Invent 2018, the support for Layers in Lambda functions. Epsagon is proud to partner with AWS as an official partner of AWS Lambda ...

Announcing Automated Tracing for Go

After many requests, we are excited to officially release today our instrumentation library for the Go programming language. The library is available on our GitHub repository....

Epsagon Achieves the AWS DevOps Competency Status

Epsagon is a serverless application monitoring company, with its entire technology stack built on AWS Lambda. As a serverless native company, Epsagon is dedicated to helping c...

Package External Code In AWS Lambda Using Serverless Framework

The popular Serverless Framework is built to deploy only files inside the directory in which the serverless.yml file is contained. This limitation is probably by ...

Stackery and Epsagon to Increase Serverless Observability

The primary problem most developers report with using serverless in production is observability. When things start performing poorly or behaving badly, red teams are left digg...

More Than Functions – Serverless Observability Webinar

We had a unique webinar last week - "More than Functions", a discussion about the future of serverless and observability. We were lucky to have the best minds in serverless wi...

AWS Lambda Language Comparison: Pros and Cons

Let’s take a moment to compare and contrast the AWS Lambda supported languages. In this post, we’ll take a look at these languages from some angles: Cold start perfor...

Announcing The Epsagon Live Demo Environment

Our live demo environment is up and running! After many requests, we’ve decided to open today the live demo environment of Epsagon. It is easily accessible via this lin...

Epsagon Is Launching!

I'm incredibly excited to announce that Epsagon has officially launched today its observability and cost monitoring platform for serverless applications. It is available on th...

Epsagon Is Now An AWS Advanced Technology Partner

We are excited to announce that Epsagon is now an AWS Advanced Technology Partner. This status is the advanced tier of the APN (AWS Partner Network). Epsagon achieved this st...

The Importance and Impact of APIs in Serverless

When talking about serverless, two advantages immediately pop up: Scaling out of the box - Probably the best thing we can think of as developers. Don’t manage infras...

The 5 Best Use Cases for the Serverless Beginner

Serverless adoption has been steadily picking up throughout 2017 and 2018 as more and more people have come to rely on serverless technologies for critical production systems....

The Most Popular Serverless Deployment Tools

Serverless deployment is a key consideration when starting to write software using Function-as-a-Service services such as AWS Lambda. In the beginning, the default cloud vendo...

Best Practices for AWS Lambda Timeouts

One of the most important configurations for an AWS Lambda function is the timeout value. The AWS Lambda timeout dictates how long a function invocation can last before it’...

Hitchhiker’s Guide to AWS Step Functions

Announced during re:Invent 2016, AWS Step Functions is a service for creating state machines. It is the spiritual descendant of the not-so-simple-to-use Simple Workflow ...

How Much Does AWS Lambda Cost?

AWS Lambda pricing is promising - you don't pay for idle, and you are billed for 100 milliseconds intervals. The pricing model is described thoroughly in this page, but hones...

5 Ways To Gain Serverless Observability

In this post, I'm covering five approaches for gaining observability in serverless (FaaS based) systems. I hope that it can help developers, system architects, and DevOps engi...

How to Set Up AWS Lambda with SQS – Everything You Should Know!

AWS introduced last year the SQS integration with AWS Lambda. In the following post, I'm going to share a quick-and-simple tutorial on how to get started with message dis...

How to Handle AWS Lambda Errors Like a Pro

AWS Lambda error handling is a challenge for every new Lambda user. The Lambda retry mechanism sometimes makes it difficult to follow what's going on in your serverless applic...

Lambda Internals – Part 2: Going Deeper

Serverless development is simply the best. Double click, upload your code and you are done, right? Most people are more than happy to leave it at that. If you are not most peo...

Lambda Internals: Exploring AWS Lambda

This article is the first part of a two-piece series. The next part is right here! AWS Lambda is an excellent environment for rapid and scalable development. As a develope...

The Right Way to Distribute Messages Effectively in Serverless Applications

As a developer, I find it very convenient to develop and deploy Lambda functions. My favorite programming language is Python, so both Serverless and Zappa are great. ...

Why Your Startup Needs Serverless Slack Bots

In this post, I will explain how we utilize serverless Slack bots in Epsagon, demonstrate their value, and provide an example — including corresponding open source code, usi...

How to Make Lambda Faster: Memory Performance Benchmark

Configuring a Lambda function is considered a very complex task. Among all parameters, you will have to pick the memory size for your function, which is very confusing. ...

The Curse of Dead Lambda Functions

Most developers agree that AWS Lambda is a great service. It’s cheap and easy to start with. It’s scalable. And most importantly — it just works. But there are challe...

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