Class OpenTelemetryMetricsRecorder (2.46.1)

Version 2.46.1

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Beta

This library is covered by the Pre-GA Offerings Terms of the Terms of Service. Pre-GA libraries might have limited support, and changes to pre-GA libraries might not be compatible with other pre-GA versions. For more information, see the launch stage descriptions.

public class OpenTelemetryMetricsRecorder implements MetricsRecorder

OpenTelemetry implementation of recording metrics. This implementation collections the measurements related to the lifecyle of an RPC.

For the Otel implementation, an attempt is a single RPC invocation and an operation is the collection of all the attempts made before a response is returned (either as a success or an error). A single call (i.e. EchoClient.echo()) should have an operation_count of 1 and may have an attempt_count of 1+ (depending on the retry configurations).

Inheritance

java.lang.Object > OpenTelemetryMetricsRecorder

Implements

MetricsRecorder

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Constructors

OpenTelemetryMetricsRecorder(OpenTelemetry openTelemetry, String serviceName)

public OpenTelemetryMetricsRecorder(OpenTelemetry openTelemetry, String serviceName)

Creates the following instruments for the following metrics:

• Attempt Latency: Histogram
• Operation Latency: Histogram
• Attempt Count: Counter
• Operation Count: Counter

Parameters
Name	Description
openTelemetry	io.opentelemetry.api.OpenTelemetry OpenTelemetry instance
serviceName	String Service Name

Methods

recordAttemptCount(long count, Map<String,String> attributes)

public void recordAttemptCount(long count, Map<String,String> attributes)

Record an attempt made. The attempt count number is stored in a LongCounter.

The count should be set as 1 every time this is invoked (each retry attempt)

Parameters
Name	Description
count	long The number of attempts made
attributes	Map<String,String> Map of the attributes to store

recordAttemptLatency(double attemptLatency, Map<String,String> attributes)

public void recordAttemptLatency(double attemptLatency, Map<String,String> attributes)

Record the latency for an individual attempt. Data is stored in a Histogram.

Parameters
Name	Description
attemptLatency	double Attempt Latency in ms
attributes	Map<String,String> Map of the attributes to store

recordOperationCount(long count, Map<String,String> attributes)

public void recordOperationCount(long count, Map<String,String> attributes)

Record an operation made. The operation count number is stored in a LongCounter.

The operation count should always be 1 and this should be invoked once.

Parameters
Name	Description
count	long The number of operations made
attributes	Map<String,String> Map of the attributes to store

recordOperationLatency(double operationLatency, Map<String,String> attributes)

public void recordOperationLatency(double operationLatency, Map<String,String> attributes)

Record the latency for the entire operation. This is the latency for the entire RPC, including all the retry attempts

Parameters
Name	Description
operationLatency	double Operation Latency in ms
attributes	Map<String,String> Map of the attributes to store