public class RandomWriter extends Configured implements Tool
RandomWriter
also supports all the above options
and ones supported by GenericOptionsParser
via the command-line.Modifier and Type | Field and Description |
---|---|
static String |
BYTES_PER_MAP |
static String |
MAPS_PER_HOST |
static String |
MAX_KEY |
static String |
MAX_VALUE |
static String |
MIN_KEY |
static String |
MIN_VALUE |
static String |
TOTAL_BYTES |
Constructor and Description |
---|
RandomWriter() |
Modifier and Type | Method and Description |
---|---|
static void |
main(String[] args) |
int |
run(String[] args)
This is the main routine for launching a distributed random write job.
|
getConf, setConf
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getConf, setConf
public static final String TOTAL_BYTES
public static final String BYTES_PER_MAP
public static final String MAPS_PER_HOST
public static final String MAX_VALUE
public static final String MIN_VALUE
public static final String MIN_KEY
public static final String MAX_KEY
public int run(String[] args) throws Exception
run
in interface Tool
args
- command specific arguments.IOException
Exception
Copyright © 2013 Apache Software Foundation. All rights reserved.