| Package | Description |
|---|---|
| org.apache.hadoop.hbase.mapred |
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
|
| Modifier and Type | Class and Description |
|---|---|
class |
GroupingTableMap
Extract grouping columns from input record
|
class |
IdentityTableMap
Pass the given key and record as-is to reduce
|
| Modifier and Type | Method and Description |
|---|---|
static void |
IdentityTableMap.initJob(String table,
String columns,
Class<? extends TableMap> mapper,
org.apache.hadoop.mapred.JobConf job)
Use this before submitting a TableMap job.
|
static void |
GroupingTableMap.initJob(String table,
String columns,
String groupColumns,
Class<? extends TableMap> mapper,
org.apache.hadoop.mapred.JobConf job)
Use this before submitting a TableMap job.
|
static void |
TableMapReduceUtil.initMultiTableSnapshotMapperJob(Map<String,Collection<Scan>> snapshotScans,
Class<? extends TableMap> mapper,
Class<?> outputKeyClass,
Class<?> outputValueClass,
org.apache.hadoop.mapred.JobConf job,
boolean addDependencyJars,
org.apache.hadoop.fs.Path tmpRestoreDir)
Sets up the job for reading from one or more multiple table snapshots, with one or more scans
per snapshot.
|
static void |
TableMapReduceUtil.initTableMapJob(String table,
String columns,
Class<? extends TableMap> mapper,
Class<?> outputKeyClass,
Class<?> outputValueClass,
org.apache.hadoop.mapred.JobConf job)
Use this before submitting a TableMap job.
|
static void |
TableMapReduceUtil.initTableMapJob(String table,
String columns,
Class<? extends TableMap> mapper,
Class<?> outputKeyClass,
Class<?> outputValueClass,
org.apache.hadoop.mapred.JobConf job,
boolean addDependencyJars) |
static void |
TableMapReduceUtil.initTableMapJob(String table,
String columns,
Class<? extends TableMap> mapper,
Class<?> outputKeyClass,
Class<?> outputValueClass,
org.apache.hadoop.mapred.JobConf job,
boolean addDependencyJars,
Class<? extends org.apache.hadoop.mapred.InputFormat> inputFormat)
Use this before submitting a TableMap job.
|
static void |
TableMapReduceUtil.initTableSnapshotMapJob(String snapshotName,
String columns,
Class<? extends TableMap> mapper,
Class<?> outputKeyClass,
Class<?> outputValueClass,
org.apache.hadoop.mapred.JobConf job,
boolean addDependencyJars,
org.apache.hadoop.fs.Path tmpRestoreDir)
Sets up the job for reading from a table snapshot.
|
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