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feat(metrics): add drainer delay metric (#3034)

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This commit is contained in:
Kartikeya Hegde
2023-12-06 11:25:00 +05:30
committed by GitHub
parent cfafd5cd29
commit c6e2ee29d9
5 changed files with 48 additions and 1 deletions
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19
crates/router_env/src/metrics.rs
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@ -82,3 +82,22 @@ macro_rules! histogram_metric_u64 {
> = once_cell::sync::Lazy::new(|| $meter.u64_histogram($description).init());
};
}
/// Create a [`Histogram`][Histogram] i64 metric with the specified name and an optional description,
/// associated with the specified meter. Note that the meter must be to a valid [`Meter`][Meter].
///
/// [Histogram]: opentelemetry::metrics::Histogram
/// [Meter]: opentelemetry::metrics::Meter
#[macro_export]
macro_rules! histogram_metric_i64 {
($name:ident, $meter:ident) => {
pub(crate) static $name: once_cell::sync::Lazy<
$crate::opentelemetry::metrics::Histogram<i64>,
> = once_cell::sync::Lazy::new(|| $meter.i64_histogram(stringify!($name)).init());
};
($name:ident, $meter:ident, $description:literal) => {
pub(crate) static $name: once_cell::sync::Lazy<
$crate::opentelemetry::metrics::Histogram<i64>,
> = once_cell::sync::Lazy::new(|| $meter.i64_histogram($description).init());
};
}