Package | Description |
---|---|
org.apache.hadoop.metrics.file |
Implementation of the metrics package that writes the metrics to a file.
|
org.apache.hadoop.metrics.ganglia |
Implementation of the metrics package that sends metric data to
Ganglia.
|
org.apache.hadoop.metrics.spi |
The Service Provider Interface for the Metrics API.
|
Modifier and Type | Class and Description |
---|---|
class |
FileContext
Deprecated.
|
Modifier and Type | Class and Description |
---|---|
class |
GangliaContext
Context for sending metrics to Ganglia.
|
Modifier and Type | Class and Description |
---|---|
class |
CompositeContext |
class |
NoEmitMetricsContext
A MetricsContext that does not emit data, but, unlike NullContextWithUpdate,
does save it for retrieval with getAllRecords().
|
class |
NullContext
Null metrics context: a metrics context which does nothing.
|
class |
NullContextWithUpdateThread
A null context which has a thread calling
periodically when monitoring is started.
|
Constructor and Description |
---|
MetricsRecordImpl(String recordName,
AbstractMetricsContext context)
Creates a new instance of FileRecord
|
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