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PromPHP / prometheus_client_php

Prometheus instrumentation library for PHP applications
https://prometheus.io/docs/concepts/metric_types/
Apache License 2.0
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Make updateGauge lock-free in critical paths of APC and APCng #135

Closed TobiasBengtsson closed 9 months ago

TobiasBengtsson commented 9 months ago

See commit messages for more info. TL;DR setting values on a gauge can cause high contention due to multiple APCu write locks.