org.apache.accumulo.examples.mapreduce
Class TableToFile
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.accumulo.examples.mapreduce.TableToFile
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public class TableToFile
- extends org.apache.hadoop.conf.Configured
- implements org.apache.hadoop.util.Tool
Takes a table and outputs the specified column to a set of part files on hdfs accumulo accumulo.examples.mapreduce.TableToFile
Nested Class Summary |
static class |
TableToFile.TTFMapper
The Mapper class that given a row number, will generate the appropriate output line. |
Method Summary |
static void |
main(java.lang.String[] args)
|
int |
run(java.lang.String[] args)
|
Methods inherited from class org.apache.hadoop.conf.Configured |
getConf, setConf |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.conf.Configurable |
getConf, setConf |
TableToFile
public TableToFile()
run
public int run(java.lang.String[] args)
throws java.io.IOException,
java.lang.InterruptedException,
java.lang.ClassNotFoundException
- Specified by:
run
in interface org.apache.hadoop.util.Tool
- Throws:
java.io.IOException
java.lang.InterruptedException
java.lang.ClassNotFoundException
main
public static void main(java.lang.String[] args)
throws java.lang.Exception
- Parameters:
args
- instanceName zookeepers username password table columns outputpath
- Throws:
java.lang.Exception
Copyright © 2012 The Apache Software Foundation. All Rights Reserved.