Package org.apache.hadoop.yarn

Class ContainerLogAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

org.apache.log4j.WriterAppender

org.apache.log4j.FileAppender

org.apache.hadoop.yarn.ContainerLogAppender

All Implemented Interfaces:

java.io.Flushable, org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

@Public
@Unstable
public class ContainerLogAppender
extends org.apache.log4j.FileAppender
implements java.io.Flushable

A simple log4j-appender for container's logs.

Field Summary

Fields inherited from class org.apache.log4j.FileAppender

bufferedIO, bufferSize, fileAppend, fileName

Fields inherited from class org.apache.log4j.WriterAppender

encoding, immediateFlush, qw

Fields inherited from class org.apache.log4j.AppenderSkeleton

errorHandler, headFilter, layout, name, tailFilter, threshold

Constructor Summary

Constructors

Constructor	Description
ContainerLogAppender()

Method Summary

Modifier and Type	Method	Description
void	activateOptions()
void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
void	flush()
java.lang.String	getContainerLogDir()	Getter/Setter methods for log4j.
java.lang.String	getContainerLogFile()
long	getTotalLogFileSize()
void	setContainerLogDir(java.lang.String containerLogDir)
void	setContainerLogFile(java.lang.String containerLogFile)
void	setTotalLogFileSize(long logSize)	Setter so that log4j can configure it from the configuration(log4j.properties).

Methods inherited from class org.apache.log4j.FileAppender

closeFile, getAppend, getBufferedIO, getBufferSize, getFile, reset, setAppend, setBufferedIO, setBufferSize, setFile, setFile, setQWForFiles

Methods inherited from class org.apache.log4j.WriterAppender

checkEntryConditions, closeWriter, createWriter, getEncoding, getImmediateFlush, requiresLayout, setEncoding, setErrorHandler, setImmediateFlush, setWriter, shouldFlush, subAppend, writeFooter, writeHeader

Methods inherited from class org.apache.log4j.AppenderSkeleton

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

Methods inherited from class java.lang.Object

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

Constructor Detail

ContainerLogAppender

public ContainerLogAppender()

Method Detail

activateOptions

public void activateOptions()

Specified by:

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

Overrides:

activateOptions in class org.apache.log4j.FileAppender

append

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

Overrides:

append in class org.apache.log4j.WriterAppender

flush

public void flush()

Specified by:

flush in interface java.io.Flushable

close

public void close()

Specified by:

close in interface org.apache.log4j.Appender

Overrides:

close in class org.apache.log4j.WriterAppender

getContainerLogDir

public java.lang.String getContainerLogDir()

Getter/Setter methods for log4j.

Returns:

containerLogDir.

setContainerLogDir

public void setContainerLogDir(java.lang.String containerLogDir)

getContainerLogFile

public java.lang.String getContainerLogFile()

setContainerLogFile

public void setContainerLogFile(java.lang.String containerLogFile)

getTotalLogFileSize

public long getTotalLogFileSize()

setTotalLogFileSize

public void setTotalLogFileSize(long logSize)

Setter so that log4j can configure it from the configuration(log4j.properties).

Parameters:

logSize - log size.