Uses of Package
org.apache.hadoop.hbase.mapreduce
Package
Description
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
-
ClassDescriptionExtends the base
Mapper
class to add the required input key and value classes. -
ClassDescriptionImplementation class for InputSplit logic common between mapred and mapreduce.
-
ClassDescriptionFacade to create Cells for HFileOutputFormat.Writes HFiles.A base for
MultiTableInputFormat
s.Computes size of each region for given table and given column families.Convert HBase tabular data into a format that is consumable by Map/Reduce.A base forTableInputFormat
s.Extends the baseMapper
class to add the required input key and value classes.Iterate over an HBase table data, return (ImmutableBytesWritable, Result) pairs.Extends the basicReducer
class to add the required key and value input/output classes.TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.Implementation class for InputSplit logic common between mapred and mapreduce.A table split corresponds to a key range (low, high) and an optional scanner.Interface to convert visibility expressions into Tags for storing along with Cells in HFiles.Enum for map metrics. -
ClassDescriptionExtends the base
Mapper
class to add the required input key and value classes.