org.apache.crunch
Class GroupingOptions
java.lang.Object
org.apache.crunch.GroupingOptions
public class GroupingOptions
- extends Object
Options that can be passed to a groupByKey
operation in order to
exercise finer control over how the partitioning, grouping, and sorting of
keys is performed.
getNumReducers
public int getNumReducers()
getSortComparatorClass
public Class<? extends org.apache.hadoop.io.RawComparator> getSortComparatorClass()
configure
public void configure(org.apache.hadoop.mapreduce.Job job)
isCompatibleWith
public boolean isCompatibleWith(GroupingOptions other)
builder
public static GroupingOptions.Builder builder()
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