org.apache.hadoop.mapred

类 TaskLogsTruncater

java.lang.Object

org.apache.hadoop.mapred.TaskLogsTruncater

public class TaskLogsTruncater
extends Object

The class for truncating the user logs. Should be used only by UserLogManager.

构造器概要

构造器

构造器和说明
TaskLogsTruncater(Configuration conf)

方法概要

方法

限定符和类型	方法和说明
static void	main(String[] args)
boolean	shouldTruncateLogs(JVMInfo lInfo) Check the log file sizes generated by the attempts that ran in a particular JVM
void	truncateLogs(JVMInfo lInfo) Process the removed task's logs.

从类继承的方法 java.lang.Object

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

构造器详细资料

TaskLogsTruncater

public TaskLogsTruncater(Configuration conf)

方法详细资料

shouldTruncateLogs

public boolean shouldTruncateLogs(JVMInfo lInfo)
                           throws IOException

Check the log file sizes generated by the attempts that ran in a particular JVM

参数:

lInfo -

返回:

is truncation required?

抛出:

IOException

truncateLogs

public void truncateLogs(JVMInfo lInfo)

Process the removed task's logs. This involves truncating them to retainSize.

main

public static void main(String[] args)
                 throws IOException

抛出:

IOException