org.apache.hadoop.mapred
Class TaskLogAppender

java.lang.Object
  org.apache.log4j.AppenderSkeleton
      org.apache.hadoop.mapred.TaskLogAppender

All Implemented Interfaces:

org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

public class TaskLogAppender
extends org.apache.log4j.AppenderSkeleton

A simple log4j-appender for the task child's map-reduce system logs.

Author:

Arun C Murthy

Field Summary

Fields inherited from class org.apache.log4j.AppenderSkeleton

closed, errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

TaskLogAppender()

Method Summary

void	activateOptions()
protected void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
int	getLogsRetainHours()
int	getNoKeepSplits()
String	getTaskId() Getter/Setter methods for log4j.
long	getTotalLogFileSize()
boolean	isPurgeLogSplits()
boolean	requiresLayout()
void	setLogsRetainHours(int logsRetainHours)
void	setNoKeepSplits(int noKeepSplits)
void	setPurgeLogSplits(boolean purgeLogSplits)
void	setTaskId(String taskId)
void	setTotalLogFileSize(long splitFileSize)

Methods inherited from class org.apache.log4j.AppenderSkeleton

addFilter, clearFilters, doAppend, finalize, getErrorHandler, getFilter, getFirstFilter, getLayout, getName, getThreshold, isAsSevereAsThreshold, setErrorHandler, setLayout, setName, setThreshold

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskLogAppender

public TaskLogAppender()

Method Detail

activateOptions

public void activateOptions()

Specified by:

activateOptions in interface org.apache.log4j.spi.OptionHandler

Overrides:

activateOptions in class org.apache.log4j.AppenderSkeleton

append

protected void append(org.apache.log4j.spi.LoggingEvent event)

Specified by:

append in class org.apache.log4j.AppenderSkeleton

requiresLayout

public boolean requiresLayout()

Specified by:

requiresLayout in interface org.apache.log4j.Appender

Specified by:

requiresLayout in class org.apache.log4j.AppenderSkeleton

close

public void close()

Specified by:

close in interface org.apache.log4j.Appender

Specified by:

close in class org.apache.log4j.AppenderSkeleton

getTaskId

public String getTaskId()

Getter/Setter methods for log4j.

setTaskId

public void setTaskId(String taskId)

getNoKeepSplits

public int getNoKeepSplits()

setNoKeepSplits

public void setNoKeepSplits(int noKeepSplits)

getLogsRetainHours

public int getLogsRetainHours()

setLogsRetainHours

public void setLogsRetainHours(int logsRetainHours)

isPurgeLogSplits

public boolean isPurgeLogSplits()

setPurgeLogSplits

public void setPurgeLogSplits(boolean purgeLogSplits)

getTotalLogFileSize

public long getTotalLogFileSize()

setTotalLogFileSize

public void setTotalLogFileSize(long splitFileSize)