Site24x7's Root Cause Analysis (RCA) Report offers valuable insights on the various issues in your IT infrastructure. In this post, we will see how to interpret an RCA report and how to put RCA to optimal use in identifying and addressing performance and network issues. RCA is different from a conventional downtime alert. Conventional downtime alerts contain details like start time of the instance and Traceroute if available, which is sufficient for you to know what has happened.

I was recently doing some work related to AWS Cognito, which I wasn’t previously familiar with, and it turns out to be pretty interesting. Stackery has a cloud-based app for building and deploying serverless applications, and we use Cognito for our own authentication. The thing I was trying to do was hard to figure out but easy once I figured it out, so I’ll include some code snippets related to my specific use case.

If you’ve dealt with Lambda functions you may have run across the RequestEntityTooLargeException - * byte payload is too large for the Event invocation type (limit 131072 bytes) AWS Lambda exception that occurs when a function is invoked with too large of a payload. Current AWS Lambda limits are set at 6 MB for synchronous/RequestResponse invocations, and 128 K for asynchronous/Event invocations.