public class StrGenSpoutHdfsBoltTopo extends Object
This topo helps measure speed of writing to Hdfs.
Spout generates fixed length random strings.
Bolt writes to Hdfs.
Modifier and Type | Class and Description |
---|---|
static class |
StrGenSpoutHdfsBoltTopo.LineWriter |
Modifier and Type | Field and Description |
---|---|
static String |
BOLT_ID |
static String |
BOLT_NUM |
static int |
DEFAULT_BOLT_NUM |
static int |
DEFAULT_HDFS_BATCH |
static int |
DEFAULT_SPOUT_NUM |
static String |
HDFS_BATCH |
static String |
HDFS_PATH |
static String |
HDFS_URI |
static String |
SPOUT_ID |
static String |
SPOUT_NUM |
static String |
TOPOLOGY_NAME |
Constructor and Description |
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StrGenSpoutHdfsBoltTopo() |
Modifier and Type | Method and Description |
---|---|
static void |
main(String[] args)
Spout generates random strings and HDFS bolt writes them to a text file.
|
public static final String SPOUT_NUM
public static final String BOLT_NUM
public static final String HDFS_URI
public static final String HDFS_PATH
public static final String HDFS_BATCH
public static final int DEFAULT_SPOUT_NUM
public static final int DEFAULT_BOLT_NUM
public static final int DEFAULT_HDFS_BATCH
public static final String TOPOLOGY_NAME
public static final String SPOUT_ID
public static final String BOLT_ID
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