com.mapr.log4j

Class YarnCentralTaskLogAppender

java.lang.Object

org.apache.log4j.AppenderSkeleton

com.mapr.log4j.MaprfsLogAppender

com.mapr.log4j.CentralTaskLogAppender

com.mapr.log4j.YarnCentralTaskLogAppender

All Implemented Interfaces:

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

Direct Known Subclasses:

YarnCentralTaskRollingLogAppender

public class YarnCentralTaskLogAppender
extends CentralTaskLogAppender

A simple log4j-appender for the system logs generated by Yarn containers.

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
YarnCentralTaskLogAppender()

Method Summary

Modifier and Type	Method and Description
protected java.lang.Long	getFileSizeLimit() By default, there is no limit.
protected java.lang.String	getFrameworkType()
protected org.apache.hadoop.fs.permission.FsPermission	getLogFilePermission()

Methods inherited from class com.mapr.log4j.CentralTaskLogAppender

activateOptions, append, close, getIsCleanup, getTaskId, getTotalLogFileSize, setFile, setIsCleanup, setTaskId, setTotalLogFileSize

Methods inherited from class com.mapr.log4j.MaprfsLogAppender

closeFile, createFile, failoverToLocalLogs, flush, getFile, getFileSize, getImmediateFlush, getImmediateSync, 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

YarnCentralTaskLogAppender

public YarnCentralTaskLogAppender()

Method Detail

getFrameworkType

protected java.lang.String getFrameworkType()

Overrides:

getFrameworkType in class CentralTaskLogAppender

getLogFilePermission

protected org.apache.hadoop.fs.permission.FsPermission getLogFilePermission()

Overrides:

getLogFilePermission in class MaprfsLogAppender

getFileSizeLimit

protected java.lang.Long getFileSizeLimit()

Description copied from class: CentralTaskLogAppender

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

Overrides:

getFileSizeLimit in class CentralTaskLogAppender