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Devtrovert

Phuong Le

Devtrovert provides software engineers with educational, practical write-ups on backend development, system design, and other core topics.

Platform
Substack
PricingOnly free issuesPublishesTwice weekly
Issues75Founded3 years agoLast Issue4 months ago
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blog.devtrovert.com
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Latest Issues

Go Runtime Metrics: CPU, GC, Memory, Scheduler

Go exposes many runtime metrics through runtime/metrics, and many metrics clients (Prometheus, VictoriaMetrics) use it to export Go runtime stats from your application. These metrics include things like:

  • how much memory your Go runtime...
4 months ago
6

sync.Pool in Go Explained & Avoid The Heap Allocation Mistake

The discussion in this video isn’t only about the basics of sync.Pool but also how it works at a higher level.

  • It covers how to avoid heap allocations even when using sync.Pool,

  • how the empty interface works under the hood and wh...

6 months ago
8

SIGHUP Signal for Configuration Reloads

Many applications, including Go applications by default, respond to three signals for termination: SIGTERM, SIGINT, and SIGHUP. Among these, SIGHUP carries some extra nuances and may be less relevant today.

By definition:

SIGHUP...

a year ago
16
4

Go EP20: sync.Cond, the Most Overlooked Sync Mechanism

Here are the key takeaways from: https://victoriametrics.com/blog/go-sync-cond/

While most Go developers are familiar with channels and mutexes, sync.Cond is an often-overlooked synchronization tool that's particularly useful when multip...

2 years ago
2

Go EP19: sync.WaitGroup and The Interesting Alignment Problem

When you have multiple tasks that can run concurrently, you often use goroutines to handle them. However, a common issue arises when the main goroutine finishes its execution before the other goroutines complete their tasks.

This is where...

2 years ago
3

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    You can find me on Twitter (@func25) or contact [email protected]

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