Currently, Lambda logs can only be sent to Cloudwatch, but many companies prefer using centralized observability services. To overcome this limitation, AWS Cloudwatch provides Log Subscriptions Filters, which can send logs to Kinesis Data Stream, Lambda, or Kinesis Data Firehose. By using Firehose, .. read more  

The memory wall problem occurs when a processor's speed surpasses the rate at which data can be transferred to and from memory, resulting in performance slowdowns. CPUs mitigate this by using L-caches, which are small and fast. Understanding memory allocation and cache utilization is crucial for opt.. read more  

In the world of DevOps, two programming languages are often pitted against each other: Golang and Python. Both languages have their own strengths and weaknesses, and choosing the right one for your DevOps needs can be a tough decision... read more  

An exploration of fuzz testing in Go with a look at how to write a fuzz target for a (nearly) realistic function... read more  

Starting in Go 1.21, the Go command allows for switching between different versions of the Go toolchain based on module requirements, and it automatically selects the appropriate toolchain version. The GOTOOLCHAIN environment setting and the go and toolchain lines in the go.mod file determine the to.. read more  

A new Golang-based information stealer called Skuld has compromised Windows systems across Europe, Southeast Asia, and the U.S... read more  

Failure is a giving in distributed systems. Using the SQS re-drive APIs is enhanced with SQS re-drive with Golang and Step Functions... read more  

Using private go modules in local development and GitHub actions workflows with ssh keys.. read more  

When deciding whether to use pointers or values in Go, the size of the data being dealt with is a crucial factor. For small or negligible amounts of data, it doesn't matter much. However, with extremely large variables, passing by pointer can be necessary to avoid excessive copying. The performance .. read more  

The HTTP protocol is fast, secure, and reliable. However, it needs other protocols and services to work properly, and when things don’t go well it is necessary to have access to detailed information about the time spent in each step. The steps to make an HTTP call are as follows: DNS Lookup The clie.. read more