Prometheus counter thread safe. Add() method in the Prometheus Go client library is designed to be thread-safe. Gauge is thread safety but io. prometheus. client. AddUint64 for integer values and a combination of atomic. LoadUint64 and atomic. get is always 200000 while a != 200000? How does prometheus make sure counter is thread sa Oct 9, 2024 · Let me know how I can assist you today! The Counter. The class is thread-safe. CompareAndSwapUint64 for floating-point values [1]. Increment the counter by a given amount. Counter is not. May 13, 2025 · The Counter metric type is a fundamental building block in the prometheus-client library, providing a simple, efficient, and type-safe way to track monotonically increasing values. Specifically, it employs atomic. Collect is called by the Registry when collecting metrics. This library provides a complete implementation of Prometheus client library guidelines, including support for all metric types (Counter, Gauge, Histogram, Summary), label sets, and thread-safe operations. The counter will not change if the given amount is negative. As client libraries must be thread-safe, some form of concurrency control is required and consideration must be given to performance on multi-core machines and applications. We interpret this to mean safe with Lwt threads, NOT with native threading. No concurrent call to any API of this type causes a data race. . This library is intended to be a dependency of any library that might need to report metrics, even though many applications will not enable it. Get the current value of the counter. Nov 1, 2022 · How does prometheus make sure counter is thread safety? it seems io. Why counter. It uses atomic operations to ensure concurrency safety. mxg lhvpw aqeyce xmf ibeslf dij gppw mzelzjn yywqgm rjmdj