Struct opendal::layers::MetricsLayer
source · pub struct MetricsLayer;
Expand description
Add metrics for every operations.
Metrics
opendal_requests_total
: Total request numbers.opendal_requests_duration_seconds
: Request duration seconds.opendal_errors_total
: Total error numbers.opendal_bytes_total
: bytes read/write from/to underlying storage.
Labels
metrics will carry the following labels
service
: Service name fromScheme
operation
: Operation name fromOperation
error
:ErrorKind
received by requests
Notes
Please make sure the exporter has been pulled in regular time.
Otherwise, the histogram data collected by requests_duration_seconds
could result in OOM.
Examples
use anyhow::Result;
use opendal::layers::MetricsLayer;
use opendal::services;
use opendal::Operator;
let _ = Operator::new(services::Memory::default())
.expect("must init")
.layer(MetricsLayer)
.finish();
Output
OpenDAL is using metrics
for metrics internally.
To enable metrics output, please enable one of the exporters that metrics
supports.
Take metrics_exporter_prometheus
as an example:
ⓘ
let builder = PrometheusBuilder::new();
builder.install().expect("failed to install recorder/exporter");
let handle = builder.install_recorder().expect("failed to install recorder");
let (recorder, exporter) = builder.build().expect("failed to build recorder/exporter");
let recorder = builder.build_recorder().expect("failed to build recorder");
Trait Implementations§
source§impl Clone for MetricsLayer
impl Clone for MetricsLayer
source§fn clone(&self) -> MetricsLayer
fn clone(&self) -> MetricsLayer
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for MetricsLayer
impl Debug for MetricsLayer
source§impl<A: Accessor> Layer<A> for MetricsLayer
impl<A: Accessor> Layer<A> for MetricsLayer
§type LayeredAccessor = MetricsAccessor<A>
type LayeredAccessor = MetricsAccessor<A>
The layered accessor that returned by this layer.
source§fn layer(&self, inner: A) -> Self::LayeredAccessor
fn layer(&self, inner: A) -> Self::LayeredAccessor
Intercept the operations on the underlying storage.
impl Copy for MetricsLayer
Auto Trait Implementations§
impl RefUnwindSafe for MetricsLayer
impl Send for MetricsLayer
impl Sync for MetricsLayer
impl Unpin for MetricsLayer
impl UnwindSafe for MetricsLayer
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