| Package | Description |
|---|---|
| org.apache.hadoop.hbase | |
| org.apache.hadoop.hbase.io | |
| org.apache.hadoop.hbase.mapred |
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
|
| org.apache.hadoop.hbase.mapreduce |
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
|
| Modifier and Type | Field and Description |
|---|---|
static ImmutableBytesWritable |
HTableDescriptor.OWNER_KEY |
| Modifier and Type | Method and Description |
|---|---|
Map<ImmutableBytesWritable,ImmutableBytesWritable> |
HTableDescriptor.getValues()
Getter for fetching an unmodifiable
HTableDescriptor.values map. |
Map<ImmutableBytesWritable,ImmutableBytesWritable> |
HTableDescriptor.getValues()
Getter for fetching an unmodifiable
HTableDescriptor.values map. |
Map<ImmutableBytesWritable,ImmutableBytesWritable> |
HColumnDescriptor.getValues() |
Map<ImmutableBytesWritable,ImmutableBytesWritable> |
HColumnDescriptor.getValues() |
| Modifier and Type | Method and Description |
|---|---|
void |
HTableDescriptor.remove(ImmutableBytesWritable key)
Remove metadata represented by the key from the
HTableDescriptor.values map |
HTableDescriptor |
HTableDescriptor.setValue(ImmutableBytesWritable key,
ImmutableBytesWritable value) |
| Constructor and Description |
|---|
HTableDescriptor(TableName name,
HColumnDescriptor[] families,
Map<ImmutableBytesWritable,ImmutableBytesWritable> values)
INTERNAL Private constructor used internally creating table descriptors for
catalog tables,
hbase:meta and -ROOT-. |
HTableDescriptor(TableName name,
HColumnDescriptor[] families,
Map<ImmutableBytesWritable,ImmutableBytesWritable> values)
INTERNAL Private constructor used internally creating table descriptors for
catalog tables,
hbase:meta and -ROOT-. |
| Modifier and Type | Method and Description |
|---|---|
int |
ImmutableBytesWritable.compareTo(ImmutableBytesWritable that)
Define the sort order of the BytesWritable.
|
| Constructor and Description |
|---|
ImmutableBytesWritable(ImmutableBytesWritable ibw)
Set the new ImmutableBytesWritable to the contents of the passed
ibw. |
| Modifier and Type | Method and Description |
|---|---|
protected ImmutableBytesWritable |
GroupingTableMap.createGroupKey(byte[][] vals)
Create a key by concatenating multiple column values.
|
ImmutableBytesWritable |
TableRecordReaderImpl.createKey() |
ImmutableBytesWritable |
TableRecordReader.createKey() |
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.mapred.RecordReader<ImmutableBytesWritable,Result> |
TableSnapshotInputFormat.getRecordReader(org.apache.hadoop.mapred.InputSplit split,
org.apache.hadoop.mapred.JobConf job,
org.apache.hadoop.mapred.Reporter reporter) |
org.apache.hadoop.mapred.RecordReader<ImmutableBytesWritable,Result> |
TableInputFormatBase.getRecordReader(org.apache.hadoop.mapred.InputSplit split,
org.apache.hadoop.mapred.JobConf job,
org.apache.hadoop.mapred.Reporter reporter)
Builds a TableRecordReader.
|
| Modifier and Type | Method and Description |
|---|---|
int |
HRegionPartitioner.getPartition(ImmutableBytesWritable key,
V2 value,
int numPartitions) |
void |
IdentityTableMap.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output,
org.apache.hadoop.mapred.Reporter reporter)
Pass the key, value to reduce
|
void |
GroupingTableMap.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output,
org.apache.hadoop.mapred.Reporter reporter)
Extract the grouping columns from value to construct a new key.
|
boolean |
TableRecordReaderImpl.next(ImmutableBytesWritable key,
Result value) |
boolean |
TableRecordReader.next(ImmutableBytesWritable key,
Result value) |
void |
IdentityTableReduce.reduce(ImmutableBytesWritable key,
Iterator<Put> values,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Put> output,
org.apache.hadoop.mapred.Reporter reporter)
No aggregation, output pairs of (key, record)
|
| Modifier and Type | Method and Description |
|---|---|
void |
IdentityTableMap.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output,
org.apache.hadoop.mapred.Reporter reporter)
Pass the key, value to reduce
|
void |
GroupingTableMap.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output,
org.apache.hadoop.mapred.Reporter reporter)
Extract the grouping columns from value to construct a new key.
|
void |
IdentityTableReduce.reduce(ImmutableBytesWritable key,
Iterator<Put> values,
org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Put> output,
org.apache.hadoop.mapred.Reporter reporter)
No aggregation, output pairs of (key, record)
|
| Modifier and Type | Method and Description |
|---|---|
protected ImmutableBytesWritable |
GroupingTableMapper.createGroupKey(byte[][] vals)
Create a key by concatenating multiple column values.
|
ImmutableBytesWritable |
TableRecordReaderImpl.getCurrentKey()
Returns the current key.
|
ImmutableBytesWritable |
TableRecordReader.getCurrentKey()
Returns the current key.
|
| Modifier and Type | Method and Description |
|---|---|
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result> |
TableSnapshotInputFormat.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context) |
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result> |
TableInputFormatBase.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
Builds a
TableRecordReader. |
org.apache.hadoop.mapreduce.RecordReader<ImmutableBytesWritable,Result> |
MultiTableInputFormatBase.createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
Builds a TableRecordReader.
|
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,Mutation> |
MultiTableOutputFormat.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context) |
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,Cell> |
HFileOutputFormat2.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context) |
org.apache.hadoop.mapreduce.RecordWriter<ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue> |
HFileOutputFormat.getRecordWriter(org.apache.hadoop.mapreduce.TaskAttemptContext context)
Deprecated.
|
| Modifier and Type | Method and Description |
|---|---|
int |
SimpleTotalOrderPartitioner.getPartition(ImmutableBytesWritable key,
VALUE value,
int reduces) |
int |
HRegionPartitioner.getPartition(ImmutableBytesWritable key,
VALUE value,
int numPartitions)
Gets the partition number for a given key (hence record) given the total
number of partitions i.e.
|
void |
IdentityTableMapper.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapreduce.Mapper.Context context)
Pass the key, value to reduce.
|
void |
GroupingTableMapper.map(ImmutableBytesWritable key,
Result value,
org.apache.hadoop.mapreduce.Mapper.Context context)
Extract the grouping columns from value to construct a new key.
|
protected void |
KeyValueSortReducer.reduce(ImmutableBytesWritable row,
Iterable<org.apache.hadoop.hbase.KeyValue> kvs,
org.apache.hadoop.mapreduce.Reducer.Context context) |
protected void |
PutSortReducer.reduce(ImmutableBytesWritable row,
Iterable<Put> puts,
org.apache.hadoop.mapreduce.Reducer.Context context) |
protected void |
TextSortReducer.reduce(ImmutableBytesWritable rowKey,
Iterable<org.apache.hadoop.io.Text> lines,
org.apache.hadoop.mapreduce.Reducer.Context context) |
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