Package | Description |
---|---|
org.apache.hadoop.ipc.metrics | |
org.apache.hadoop.metrics |
This package defines an API for reporting performance metric information.
|
org.apache.hadoop.metrics.jvm | |
org.apache.hadoop.metrics.spi |
The Service Provider Interface for the Metrics API.
|
Modifier and Type | Class and Description |
---|---|
class |
RpcMetrics
This class is for maintaining the various RPC statistics
and publishing them through the metrics interfaces.
|
Modifier and Type | Method and Description |
---|---|
void |
MetricsContext.registerUpdater(Updater updater)
Registers a callback to be called at regular time intervals, as
determined by the implementation-class specific configuration.
|
void |
MetricsContext.unregisterUpdater(Updater updater)
Removes a callback, if it exists.
|
Modifier and Type | Class and Description |
---|---|
class |
JvmMetrics
Singleton class which reports Java Virtual Machine metrics to the metrics API.
|
Modifier and Type | Method and Description |
---|---|
void |
AbstractMetricsContext.registerUpdater(Updater updater)
Registers a callback to be called at time intervals determined by
the configuration.
|
void |
CompositeContext.registerUpdater(Updater updater) |
void |
AbstractMetricsContext.unregisterUpdater(Updater updater)
Removes a callback, if it exists.
|
void |
CompositeContext.unregisterUpdater(Updater updater) |
Copyright © 2010 The Apache Software Foundation