io.confluent.telemetry.collector

Class NodeCountMetricsCollector

java.lang.Object

io.confluent.telemetry.collector.NodeCountMetricsCollector

All Implemented Interfaces:

MetricsCollector

public class NodeCountMetricsCollector
extends Object
implements MetricsCollector

A metrics collector that emits a single metric representing that this node is up in this cluster. This acts as a liveness metric for the cluster as well as a count of the number of nodes that are part of the cluster.

Field Summary

Fields

Modifier and Type	Field and Description
static String	LABEL_RESOURCE_NODE_ID
static String	NODE_COUNT_METRIC_NAME
static String	NODE_COUNT_METRIC_REGEX

Fields inherited from interface io.confluent.telemetry.collector.MetricsCollector

LABEL_LIBRARY, LABEL_ORIGINAL, LIBRARY_NONE

Constructor Summary

Constructors

Constructor and Description
NodeCountMetricsCollector(String nodeId)

Method Summary

Modifier and Type	Method and Description
void	collect(Emitter emitter)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.confluent.telemetry.collector.MetricsCollector

start, stop

Field Detail

LABEL_RESOURCE_NODE_ID

public static final String LABEL_RESOURCE_NODE_ID

See Also:

Constant Field Values

NODE_COUNT_METRIC_NAME

public static final String NODE_COUNT_METRIC_NAME

See Also:

Constant Field Values

NODE_COUNT_METRIC_REGEX

public static final String NODE_COUNT_METRIC_REGEX

Constructor Detail

NodeCountMetricsCollector

public NodeCountMetricsCollector(String nodeId)

Method Detail

collect

public void collect(Emitter emitter)

Specified by:

collect in interface MetricsCollector