com.mapr.log4j

Class CentralTaskLogAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

com.mapr.log4j.MaprfsLogAppender

com.mapr.log4j.CentralTaskLogAppender

All Implemented Interfaces:

java.io.Flushable, org.apache.hadoop.fs.Syncable, org.apache.log4j.Appender, org.apache.log4j.spi.OptionHandler

Direct Known Subclasses:

MR1CentralTaskLogAppender, YarnCentralTaskLogAppender

public class CentralTaskLogAppender
extends MaprfsLogAppender

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

Field Summary

Fields inherited from class com.mapr.log4j.MaprfsLogAppender

BUFFER_SIZE, DIR_PREFIX, failoverAppender, failoverAppenderName, fileName, fileNamePath, immediateFlush, immediateSync, maprFS, nameHierarchy, syncIntervalSeconds, uri

Fields inherited from class org.apache.log4j.AppenderSkeleton

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

Constructor Summary

Constructors

Constructor and Description
CentralTaskLogAppender()

Method Summary

Modifier and Type	Method and Description
void	activateOptions()
void	append(org.apache.log4j.spi.LoggingEvent event)
void	close()
protected java.lang.Long	getFileSizeLimit() By default, there is no limit.
protected java.lang.String	getFrameworkType()
boolean	getIsCleanup() Get whether task is cleanup attempt or not.
java.lang.String	getTaskId() Getter/Setter methods for log4j.
long	getTotalLogFileSize()
void	setFile(java.lang.String fileName)
void	setIsCleanup(boolean isCleanup) Set whether the task is a cleanup attempt or not.
void	setTaskId(java.lang.String taskId)
void	setTotalLogFileSize()

Methods inherited from class com.mapr.log4j.MaprfsLogAppender

closeFile, createFile, failoverToLocalLogs, flush, getFile, getFileSize, getImmediateFlush, getImmediateSync, getLogFilePermission, getSyncIntervalSeconds, hflush, hsync, requiresLayout, setFailoverAppender, setFS, setImmediateFlush, setImmediateSync, setSyncIntervalSeconds, setURI, sync, writeFooter, writeHeader

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

CentralTaskLogAppender

public CentralTaskLogAppender()

Method Detail

activateOptions

public void activateOptions()

Specified by:

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

Overrides:

activateOptions in class MaprfsLogAppender

getFrameworkType

protected java.lang.String getFrameworkType()

setFile

public void setFile(java.lang.String fileName)

Overrides:

setFile in class MaprfsLogAppender

append

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

Overrides:

append in class MaprfsLogAppender

close

public void close()

Specified by:

close in interface org.apache.log4j.Appender

Overrides:

close in class MaprfsLogAppender

getTaskId

public java.lang.String getTaskId()

Getter/Setter methods for log4j.

setTaskId

public void setTaskId(java.lang.String taskId)

getTotalLogFileSize

public long getTotalLogFileSize()

setTotalLogFileSize

public void setTotalLogFileSize()

getFileSizeLimit

protected java.lang.Long getFileSizeLimit()

By default, there is no limit. Subclasses can override this behavior.

setIsCleanup

public void setIsCleanup(boolean isCleanup)

Set whether the task is a cleanup attempt or not.

Parameters:

isCleanup - true if the task is cleanup attempt, false otherwise.

getIsCleanup

public boolean getIsCleanup()

Get whether task is cleanup attempt or not.

Returns:

true if the task is cleanup attempt, false otherwise.