Uses of Interface org.apache.hadoop.metrics.Updater (Hadoop 0.20.2-CDH3B4 API)
Date: 2011-02-21

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV NEXT | FRAMES NO FRAMES

## Uses of Interface
org.apache.hadoop.metrics.Updater

Packages that use Updater
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.

Uses of Updater in org.apache.hadoop.ipc.metrics

Classes in org.apache.hadoop.ipc.metrics that implement Updater
`class` | `RpcDetailedMetrics` This class is for maintaining the various RPC method related statistics and publishing them through the metrics interfaces.
`class` | `RpcMetrics` This class is for maintaining the various RPC statistics and publishing them through the metrics interfaces.

Uses of Updater in org.apache.hadoop.metrics

Methods in org.apache.hadoop.metrics with parameters of type Updater
`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.

Uses of Updater in org.apache.hadoop.metrics.jvm

Classes in org.apache.hadoop.metrics.jvm that implement Updater
`class` | `JvmMetrics` Singleton class which reports Java Virtual Machine metrics to the metrics API.

Uses of Updater in org.apache.hadoop.metrics.spi

Methods in org.apache.hadoop.metrics.spi with parameters of type Updater
`void` | `CompositeContext.registerUpdater(Updater updater)`
`void` | `AbstractMetricsContext.registerUpdater(Updater updater)` Registers a callback to be called at time intervals determined by the configuration.
`void` | `CompositeContext.unregisterUpdater(Updater updater)`
`void` | `AbstractMetricsContext.unregisterUpdater(Updater updater)` Removes a callback, if it exists.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help
PREV NEXT | FRAMES NO FRAMES

Copyright © 2009 The Apache Software Foundation