Package org.apache.storm.perf
Class StrGenSpoutHdfsBoltTopo
- java.lang.Object
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- org.apache.storm.perf.StrGenSpoutHdfsBoltTopo
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public class StrGenSpoutHdfsBoltTopo extends Object
This topo helps measure speed of writing to Hdfs.Spout generates fixed length random strings.
Bolt writes to Hdfs.
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classStrGenSpoutHdfsBoltTopo.LineWriter
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Field Summary
Fields Modifier and Type Field Description static StringBOLT_IDstatic StringBOLT_NUMstatic intDEFAULT_BOLT_NUMstatic intDEFAULT_HDFS_BATCHstatic intDEFAULT_SPOUT_NUMstatic StringHDFS_BATCHstatic StringHDFS_PATHstatic StringHDFS_URIstatic StringSPOUT_IDstatic StringSPOUT_NUMstatic StringTOPOLOGY_NAME
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Constructor Summary
Constructors Constructor Description StrGenSpoutHdfsBoltTopo()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static voidmain(String[] args)Spout generates random strings and HDFS bolt writes them to a text file.
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Field Detail
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SPOUT_NUM
public static final String SPOUT_NUM
- See Also:
- Constant Field Values
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BOLT_NUM
public static final String BOLT_NUM
- See Also:
- Constant Field Values
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HDFS_URI
public static final String HDFS_URI
- See Also:
- Constant Field Values
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HDFS_PATH
public static final String HDFS_PATH
- See Also:
- Constant Field Values
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HDFS_BATCH
public static final String HDFS_BATCH
- See Also:
- Constant Field Values
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DEFAULT_SPOUT_NUM
public static final int DEFAULT_SPOUT_NUM
- See Also:
- Constant Field Values
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DEFAULT_BOLT_NUM
public static final int DEFAULT_BOLT_NUM
- See Also:
- Constant Field Values
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DEFAULT_HDFS_BATCH
public static final int DEFAULT_HDFS_BATCH
- See Also:
- Constant Field Values
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TOPOLOGY_NAME
public static final String TOPOLOGY_NAME
- See Also:
- Constant Field Values
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SPOUT_ID
public static final String SPOUT_ID
- See Also:
- Constant Field Values
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BOLT_ID
public static final String BOLT_ID
- See Also:
- Constant Field Values
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