Sentry, Now With Logs (Sponsored)
Failed checkouts, dropped jobs, timeouts that don’t even throw errors ➡️ these are the issues that slow your team down. With Sentry Logs, you can trace every step, from the user’s request through your code to the log line. And because Logs connect automatically with your errors, traces, and even replays, all your debugging context lives in one place. TLDR: Sentry has Logs. More context, fewer tabs, faster fixes, more time shipping. This week’s system design refresher:
Cloudflare vs. AWS vs. AzureCloudflare is much more than just a CDN and DDoS protection service. Let’s do a quick comparison of Cloudflare, AWS, and Azure.
Cloudflare has rapidly expanded beyond its traditional CDN roots, launching a suite of modern developer-first services like Workers, R2, D1, and so on. These offerings position it as a serious edge-native alternative to other cloud providers. Here are the key cloud capabilities that Cloudflare supports:
Over to you: Have you used Cloudflare’s new offerings? What are your thoughts on them? Popular Backend Tech Stack
HTTP vs. HTTPS
When you open a website, the difference between HTTP and HTTPS decides whether your data travels safely or in plain sight. Here’s what actually happens under the hood: HTTP:
HTTPS (SSL/TLS):
Over to you: What’s your go-to tool for debugging TLS issues, openssl, curl -v, or something else? Forward Proxy versus Reverse Proxy
A forward proxy sits between clients (users) and the internet. It acts on behalf of users, hiding their identity or filtering traffic before it reaches the external web. Some applications of a forward proxy are:
A reverse proxy sits between the internet (clients) and backend servers. It acts on behalf of servers, handling incoming traffic. Some applications of a reverse proxy are:
Over to you: What else will you add to understand forward proxy and reverse proxy? Things Every Developer Should Know: Concurrency is NOT parallelismIn system design, it is important to understand the difference between concurrency and parallelism.
As Rob Pyke(one of the creators of GoLang) stated:“ Concurrency is about 𝐝𝐞𝐚𝐥𝐢𝐧𝐠 𝐰𝐢𝐭𝐡 lots of things at once. Parallelism is about 𝐝𝐨𝐢𝐧𝐠 lots of things at once.” This distinction emphasizes that concurrency is more about the 𝐝𝐞𝐬𝐢𝐠𝐧 of a program, while parallelism is about the 𝐞𝐱𝐞𝐜𝐮𝐭𝐢𝐨𝐧. Concurrency is about dealing with multiple things at once. It involves structuring a program to handle multiple tasks simultaneously, where the tasks can start, run, and complete in overlapping time periods, but not necessarily at the same instant. Concurrency is about the composition of independently executing processes and describes a program’s ability to manage multiple tasks by making progress on them without necessarily completing one before it starts another. Parallelism, on the other hand, refers to the simultaneous execution of multiple computations. It is the technique of running two or more tasks or computations at the same time, utilizing multiple processors or cores within a computer to perform several operations concurrently. Parallelism requires hardware with multiple processing units, and its primary goal is to increase the throughput and computational speed of a system. In practical terms, concurrency enables a program to remain responsive to input, perform background tasks, and handle multiple operations in a seemingly simultaneous manner, even on a single-core processor. It’s particularly useful in I/O-bound and high-latency operations where programs need to wait for external events, such as file, network, or user interactions. Parallelism, with its ability to perform multiple operations at the same time, is crucial in CPU-bound tasks where computational speed and throughput are the bottlenecks. Applications that require heavy mathematical computations, data analysis, image processing, and real-time processing can significantly benefit from parallel execution. SPONSOR USGet your product in front of more than 1,000,000 tech professionals. Our newsletter puts your products and services directly in front of an audience that matters - hundreds of thousands of engineering leaders and senior engineers - who have influence over significant tech decisions and big purchases. Space Fills Up Fast - Reserve Today Ad spots typically sell out about 4 weeks in advance. To ensure your ad reaches this influential audience, reserve your space now by emailing sponsorship@bytebytego.com.
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EP190: Cloudflare vs. AWS vs. Azure
Saturday, 22 November 2025
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