Package | Description |
---|---|
org.apache.hadoop.mapred |
A software framework for easily writing applications which process vast
amounts of data (multi-terabyte data-sets) parallelly on large clusters
(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
manner.
|
org.apache.hadoop.mapreduce | |
org.apache.hadoop.mapreduce.counters |
This package contains the implementations of different types of
map-reduce counters.
|
org.apache.hadoop.mapreduce.util |
Modifier and Type | Class and Description |
---|---|
class |
Counters
Deprecated.
Use
Counters instead. |
Constructor and Description |
---|
Counters(AbstractCounters<C,G> counters)
Construct the Counters object from the another counters object
|
Modifier and Type | Method and Description |
---|---|
void |
AbstractCounters.incrAllCounters(AbstractCounters<C,G> other)
Increments multiple counters by their amounts in another Counters
instance.
|
Constructor and Description |
---|
AbstractCounters(AbstractCounters<C1,G1> counters,
CounterGroupFactory<C,G> groupFactory)
Construct from another counters object.
|
Modifier and Type | Method and Description |
---|---|
static <C extends Counter,G extends CounterGroupBase<C>,T extends AbstractCounters<C,G>> |
CountersStrings.parseEscapedCompactString(java.lang.String compactString,
T counters)
Parse a pre 0.21 counters string into a counter object.
|
static <C extends Counter,G extends CounterGroupBase<C>,T extends AbstractCounters<C,G>> |
CountersStrings.toEscapedCompactString(T counters)
Make the pre 0.21 counters string
|
Copyright © 2009 The Apache Software Foundation