org.apache.hadoop.mapreduce.counters
Class Limits

java.lang.Object
  org.apache.hadoop.mapreduce.counters.Limits

@InterfaceAudience.Private
public class Limits
extends Object

Field Summary

static int	COUNTER_NAME_MAX
static int	COUNTERS_MAX
static int	GROUP_NAME_MAX
static int	GROUPS_MAX

Constructor Summary

Limits()

Method Summary

void	checkCounters(int size)
void	checkGroups(int size)
static String	filterCounterName(String name)
static String	filterGroupName(String name)
static String	filterName(String name, int maxLen)
void	incrCounters()
LimitExceededException	violation()

Methods inherited from class java.lang.Object

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

Field Detail

GROUP_NAME_MAX

public static final int GROUP_NAME_MAX

COUNTER_NAME_MAX

public static final int COUNTER_NAME_MAX

GROUPS_MAX

public static final int GROUPS_MAX

COUNTERS_MAX

public static final int COUNTERS_MAX

Constructor Detail

Limits

public Limits()

Method Detail

filterName

public static String filterName(String name,
                                int maxLen)

filterCounterName

public static String filterCounterName(String name)

filterGroupName

public static String filterGroupName(String name)

checkCounters

public void checkCounters(int size)

incrCounters

public void incrCounters()

checkGroups

public void checkGroups(int size)

violation

public LimitExceededException violation()