org.apache.hadoop.metrics.spi (Hadoop 1.2.1 API)
Date: 2013-07-22

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## Package org.apache.hadoop.metrics.spi

Note, this package is deprecated in favor of `org.apache.hadoop.metrics2` usage.

See:
Description

Class Summary
AbstractMetricsContext | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
AbstractMetricsContext.MetricMap |
AbstractMetricsContext.TagMap |
CompositeContext | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
MetricsRecordImpl | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
MetricValue | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
NoEmitMetricsContext | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
NullContext | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
NullContextWithUpdateThread | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
OutputRecord | Deprecated. in favor of `org.apache.hadoop.metrics2` usage.
Util | Static utility methods

## Package org.apache.hadoop.metrics.spi Description

Note, this package is deprecated in favor of `org.apache.hadoop.metrics2` usage.

The Service Provider Interface for the Metrics API. This package provides an interface allowing a variety of metrics reporting implementations to be plugged in to the Metrics API. Examples of such implementations can be found in the packages `org.apache.hadoop.metrics.file` and `org.apache.hadoop.metrics.ganglia`.

Plugging in an implementation involves writing a concrete subclass of `AbstractMetricsContext`. The subclass should get its configuration information using the `getAttribute(attributeName)` method.

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