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What's New in VictoriaMetrics Cloud Q3 2025? From new region in Asia to proactive alerts
Discover the latest updates in VictoriaMetrics Cloud that make observability smoother, smarter, and more secure.
The VictoriaMetrics Observability Blog
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Go sync.WaitGroup and The Alignment Problem
When we’re spinning off many goroutines to do their thing, we want to keep track of them so that the main goroutine doesn’t just finish up and exit before everyone else is done. That’s where the WaitGroup comes in. Each time one of our goroutines wraps up its task, it lets the WaitGroup know.
Community Question: High Churn Rate Without New Time Series?
Slices in Go: Grow Big or Go Home
Open Source Software Licenses vs Revenue Growth Rates
A software license change may have a short term impact on revenue, but the long-term damage can be consequential and take time to fix. Read our CTO’s take on open source software licenses vs revenue growth rates.
Go sync.Pool and the Mechanics Behind It
VictoriaMetrics Cloud reduces monitoring costs by 5x
We’re happy to announce VictoriaMetrics Cloud, a hosted monitoring platform and managed service for metrics that allows organizations to monitor and store large amounts of time-series data, without having to run the underlying infrastructure.
Go Maps Explained: How Key-Value Pairs Are Actually Stored
Map is a built-in type that acts as a key-value storage. Unlike arrays where you’re stuck with keys as increasing indices like 0, 1, 2, and so on, with maps, the key can be any comparable type.
Troubleshooting Time Series Databases: Where Did My Metrics Go?
I have already recorded metrics in the application, why can’t I see my metrics on Grafana?
Go sync.Mutex: Normal and Starvation Mode
Mutex in Go has two main flows: Lock and Unlock and 2 modes: Normal and Starvation Mode. The state field of mutex is a 32-bit integer that represents the current state, it’s divided into multiple bits that encode various pieces of information about the mutex.
How Go Arrays Work and Get Tricky with For-Range
As always, we’ll start with the basics and then dig a bit deeper. Don’t worry, Go arrays get pretty interesting when you look at them from different angles. Arrays in Go are a lot like those in other programming languages. They’ve got a fixed size and store elements of the same type in contiguous memory locations.