See: Description
Interface | Description |
---|---|
TableMap<K extends org.apache.hadoop.io.WritableComparable<? super K>,V> |
Scan an HBase table to sort by a specified sort column.
|
TableReduce<K extends org.apache.hadoop.io.WritableComparable,V> |
Write a table, sorting by the input key
|
Class | Description |
---|---|
Driver |
Driver for hbase mapreduce jobs.
|
GroupingTableMap |
Extract grouping columns from input record
|
HRegionPartitioner<K2,V2> |
This is used to partition the output keys into groups of keys.
|
IdentityTableMap |
Pass the given key and record as-is to reduce
|
IdentityTableReduce |
Write to table each key, record pair
|
MultiTableSnapshotInputFormat |
MultiTableSnapshotInputFormat generalizes
TableSnapshotInputFormat allowing a MapReduce job to run
over one or more table snapshots, with one or more scans configured for each. |
RowCounter |
A job with a map to count rows.
|
RowCounter.RowCounterMapper |
Mapper that runs the count.
|
TableInputFormat |
Convert HBase tabular data into a format that is consumable by Map/Reduce.
|
TableInputFormatBase |
A Base for
TableInputFormat s. |
TableMapReduceUtil |
Utility for
TableMap and TableReduce |
TableOutputFormat |
Convert Map/Reduce output and write it to an HBase table
|
TableOutputFormat.TableRecordWriter |
Convert Reduce output (key, value) to (HStoreKey, KeyedDataArrayWritable) and write to an HBase
table.
|
TableRecordReader |
Iterate over an HBase table data, return (Text, RowResult) pairs
|
TableRecordReaderImpl |
Iterate over an HBase table data, return (Text, RowResult) pairs
|
TableSnapshotInputFormat |
TableSnapshotInputFormat allows a MapReduce job to run over a table snapshot.
|
TableSnapshotInputFormat.TableSnapshotRecordReader | |
TableSnapshotInputFormat.TableSnapshotRegionSplit | |
TableSplit |
A table split corresponds to a key range [low, high)
|
Enum | Description |
---|---|
RowCounter.RowCounterMapper.Counters |
See HBase and MapReduce in the HBase Reference Guide for mapreduce over hbase documentation.
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