org.apache.hadoop.metrics.file
Class FileContext

java.lang.Object
  org.apache.hadoop.metrics.spi.AbstractMetricsContext
      org.apache.hadoop.metrics.file.FileContext

All Implemented Interfaces:

org.apache.hadoop.metrics.MetricsContext

Deprecated.

@InterfaceAudience.Public
@InterfaceStability.Evolving
@Deprecated
public class FileContext
extends AbstractMetricsContext

Metrics context for writing metrics to a file.

This class is configured by setting ContextFactory attributes which in turn are usually configured through a properties file. All the attributes are prefixed by the contextName. For example, the properties file might contain:

 myContextName.fileName=/tmp/metrics.log
 myContextName.period=5
 

See Also:

for metrics 2.0.

Field Summary

Fields inherited from interface org.apache.hadoop.metrics.MetricsContext

DEFAULT_PERIOD

Constructor Summary

FileContext()
Deprecated. Creates a new instance of FileContext

Method Summary

Methods inherited from class org.apache.hadoop.metrics.spi.AbstractMetricsContext

close, createRecord, getAllRecords, getAttribute, getAttributeTable, getContextFactory, getContextName, getPeriod, isMonitoring, newRecord, parseAndSetPeriod, registerUpdater, remove, setPeriod, unregisterUpdater, update

Methods inherited from class java.lang.Object

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

Constructor Detail

FileContext

@InterfaceAudience.Private
public FileContext()

Deprecated.

Creates a new instance of FileContext