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| Packages that use TableMapper | |
|---|---|
| org.apache.hadoop.hbase.mapreduce | Provides HBase MapReduce Input/OutputFormats, a table indexing MapReduce job, and utility |
| Uses of TableMapper in org.apache.hadoop.hbase.mapreduce |
|---|
| Subclasses of TableMapper in org.apache.hadoop.hbase.mapreduce | |
|---|---|
class |
GroupingTableMapper
Extract grouping columns from input record. |
class |
IdentityTableMapper
Pass the given key and record as-is to the reduce phase. |
| Method parameters in org.apache.hadoop.hbase.mapreduce with type arguments of type TableMapper | |
|---|---|
static void |
IdentityTableMapper.initJob(String table,
Scan scan,
Class<? extends TableMapper> mapper,
org.apache.hadoop.mapreduce.Job job)
Use this before submitting a TableMap job. |
static void |
GroupingTableMapper.initJob(String table,
Scan scan,
String groupColumns,
Class<? extends TableMapper> mapper,
org.apache.hadoop.mapreduce.Job job)
Use this before submitting a TableMap job. |
static void |
TableMapReduceUtil.initTableMapperJob(String table,
Scan scan,
Class<? extends TableMapper> mapper,
Class<? extends org.apache.hadoop.io.WritableComparable> outputKeyClass,
Class<? extends org.apache.hadoop.io.Writable> outputValueClass,
org.apache.hadoop.mapreduce.Job job)
Use this before submitting a TableMap job. |
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