PinnedZac CharlesDeep Dive: Lambda’s Request Payload Size Limit (2/2)Everything you should know about Lambda’s request payload size limit, RequestEntityTooLargeException errors, and how API Gateway fits in.8 min read·Aug 24, 2022--1--1
PinnedZac CharlesDeep Dive: Lambda’s Response Payload Size Limit (1/2)Everything you should know about Lambda’s response payload size limit, ResponseSizeTooLarge errors, and how API Gateway fits in.7 min read·Aug 10, 2022--1--1
PinnedZac CharlesLooking at LambdaShell.com after 3+ yearsSince 2018, lambdashell.com has challenged visitors to do their worst. In this post, I take a look at what is possible 3+ years on (a lot).15 min read·Dec 23, 2021--3--3
PinnedZac CharlesHow to Trigger a Lambda Function Every 5–10 SecondsThis post presents a solution involving EventBridge, two Lambda functions and an SQS queue. It’s surprisingly accurate. Code is on GitHub.5 min read·Aug 6, 2021--2--2
PinnedZac CharlesHow to Enable/Disable a Lambda Trigger on a ScheduleOne solution using Lambda and another using a API Gateway. But first, let’s discuss why you want to do this and what you could do instead.10 min read·Mar 13, 2021----
Zac CharlesUnofficial SQS DLQ Redrive API DocumentationThe API actions for SQS’s DLQ redrive aren’t missing; they’re just undocumented. This post aims to be those missing docs (unofficially).6 min read·Apr 12, 2023--2--2
Zac CharlesDoes Maximum Concurrency Solve the Lambda+SQS Issue?AWS has added Maximum Concurrency to Event Source Mappings. We now have a solution to the Lambda+SQS issue, but watch out!5 min read·Jan 16, 2023--5--5
Zac CharlesAnother Way to Trigger a Lambda Function Every 5–10 SecondsThis follow up to my recent post presents another solution which uses Step Functions instead of Lambda & SQS. It has some trade-offs.6 min read·Aug 7, 2021--3--3
Zac CharlesS3 Uploads — Proxies vs Presigned URLs vs Presigned POSTsWhat’s the best way to upload a file from a browser to S3? This post compares several options and provides an example codebase.9 min read·Apr 12, 2020--15--15
Zac CharlesA Close Look At .NET Core 3.1 on AWS LambdaThis post looks under the hood at Lambda’s .NET Core 3.1 support, presents benchmark results, and reviews previous recommendations.9 min read·Apr 1, 2020--5--5