Package org.apache.hadoop.hbase.regionserver

Class CreateRandomStoreFile

java.lang.Object

org.apache.hadoop.hbase.regionserver.CreateRandomStoreFile

public class CreateRandomStoreFile
extends Object

Creates an HFile with random key/value pairs.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	BLOCK_SIZE_OPTION
private static final String	BLOOM_BLOCK_SIZE_OPTION
private static final String	BLOOM_FILTER_OPTION
private static final String	BLOOM_FILTER_PARAM_OPTION
private int	cfLen
private static final String	COMPRESSION_OPTION
private static final int	EXIT_FAILURE	The exit code this command-line tool returns on failure
private static final String	HFILE_VERSION_OPTION
private static final String	INDEX_BLOCK_SIZE_OPTION
private static final String	KEY_SIZE_OPTION
private int	keyLen
private int	keyPrefixLen
private static final int	LEN_VARIATION	As much as this number of bytes can be added or subtracted from key/value lengths.
private static final org.slf4j.Logger	LOG
private static final String	NUM_KV_OPTION
private static final int	NUM_VALID_KEY_TYPES	The number of valid key types in a store file
private org.apache.hbase.thirdparty.org.apache.commons.cli.Options	options
private static final String	OUTPUT_DIR_OPTION
private int	rowLen
private static final String	VALUE_SIZE_OPTION
private int	valueLen

Constructor Summary

Constructors

Constructor	Description
CreateRandomStoreFile()

Method Summary

Modifier and Type	Method	Description
private void	configureKeyValue(long numKV, int keyLen, int valueLen)
private byte[]	generateKey(long i)
static org.apache.hadoop.hbase.KeyValue.Type	generateKeyType(Random rand)
org.apache.hadoop.hbase.KeyValue	generateKeyValue(long i)
private String	generateString()
private byte[]	generateValue()
static void	main(String[] args)
private int	nextInRange(int range)
boolean	run(String[] args)	Runs the tools.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LEN_VARIATION

private static final int LEN_VARIATION

As much as this number of bytes can be added or subtracted from key/value lengths.

See Also:

• Constant Field Values

LOG

private static final org.slf4j.Logger LOG

OUTPUT_DIR_OPTION

private static final String OUTPUT_DIR_OPTION

See Also:

• Constant Field Values

NUM_KV_OPTION

private static final String NUM_KV_OPTION

See Also:

• Constant Field Values

HFILE_VERSION_OPTION

private static final String HFILE_VERSION_OPTION

See Also:

• Constant Field Values

KEY_SIZE_OPTION

private static final String KEY_SIZE_OPTION

See Also:

• Constant Field Values

VALUE_SIZE_OPTION

private static final String VALUE_SIZE_OPTION

See Also:

• Constant Field Values

COMPRESSION_OPTION

private static final String COMPRESSION_OPTION

See Also:

• Constant Field Values

BLOOM_FILTER_OPTION

private static final String BLOOM_FILTER_OPTION

See Also:

• Constant Field Values

BLOOM_FILTER_PARAM_OPTION

private static final String BLOOM_FILTER_PARAM_OPTION

See Also:

• Constant Field Values

BLOCK_SIZE_OPTION

private static final String BLOCK_SIZE_OPTION

See Also:

• Constant Field Values

BLOOM_BLOCK_SIZE_OPTION

private static final String BLOOM_BLOCK_SIZE_OPTION

See Also:

• Constant Field Values

INDEX_BLOCK_SIZE_OPTION

private static final String INDEX_BLOCK_SIZE_OPTION

See Also:

• Constant Field Values

EXIT_FAILURE

private static final int EXIT_FAILURE

The exit code this command-line tool returns on failure

See Also:

• Constant Field Values

NUM_VALID_KEY_TYPES

private static final int NUM_VALID_KEY_TYPES

The number of valid key types in a store file

options

private org.apache.hbase.thirdparty.org.apache.commons.cli.Options options

keyPrefixLen

private int keyPrefixLen

keyLen

private int keyLen

rowLen

private int rowLen

cfLen

private int cfLen

valueLen

private int valueLen

Constructor Details

CreateRandomStoreFile

public CreateRandomStoreFile()

Method Details

run

public boolean run(String[] args)
            throws IOException

Runs the tools.

Parameters:

args - command-line arguments

Returns:

true in case of success

Throws:

IOException

configureKeyValue

private void configureKeyValue(long numKV,
 int keyLen,
 int valueLen)

nextInRange

private int nextInRange(int range)

generateKeyValue

public org.apache.hadoop.hbase.KeyValue generateKeyValue(long i)

generateKeyType

public static org.apache.hadoop.hbase.KeyValue.Type generateKeyType(Random rand)

generateString

private String generateString()

generateKey

private byte[] generateKey(long i)

generateValue

private byte[] generateValue()

main

public static void main(String[] args)