Package org.apache.hadoop.hbase

Class ScanPerformanceEvaluation

java.lang.Object

org.apache.hadoop.hbase.util.AbstractHBaseTool

org.apache.hadoop.hbase.ScanPerformanceEvaluation

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

@LimitedPrivate("Tools")
public class ScanPerformanceEvaluation
extends AbstractHBaseTool

A simple performance evaluation tool for single client and MR scans and snapshot scans.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ScanPerformanceEvaluation.MyMapper<KEYOUT,VALUEOUT>
static enum	ScanPerformanceEvaluation.ScanCounter

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

AbstractHBaseTool.OptionsOrderComparator

Field Summary

Fields

Modifier and Type	Field	Description
private String	caching
private String	file
private static final String	HBASE_COUNTER_GROUP_NAME
private String	restoreDir
private String	snapshotName
private String	tablename
private String	type

Fields inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

cmdLineArgs, conf, EXIT_FAILURE, EXIT_SUCCESS, LONG_HELP_OPTION, options, SHORT_HELP_OPTION

Constructor Summary

Constructors

Constructor	Description
ScanPerformanceEvaluation()

Method Summary

Modifier and Type	Method	Description
protected void	addOptions()	Override this to add command-line options using AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String) and similar methods.
protected int	doWork()	The "main function" of the tool
private Scan	getScan()
static void	main(String[] args)
protected void	processOptions(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)	This method is called to process the options after they have been parsed.
void	setConf(org.apache.hadoop.conf.Configuration conf)
protected void	testHdfsStreaming(org.apache.hadoop.fs.Path filename)
void	testScan()
void	testScanMapReduce()
void	testSnapshotScan()
void	testSnapshotScanMapReduce()

Methods inherited from class org.apache.hadoop.hbase.util.AbstractHBaseTool

addOption, addOptNoArg, addOptNoArg, addOptWithArg, addOptWithArg, addRequiredOption, addRequiredOptWithArg, addRequiredOptWithArg, doStaticMain, getConf, getOptionAsDouble, getOptionAsInt, getOptionAsInt, getOptionAsLong, getOptionAsLong, newParser, parseArgs, parseInt, parseLong, printUsage, printUsage, processOldArgs, run

Methods inherited from class java.lang.Object

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

Field Details

HBASE_COUNTER_GROUP_NAME

private static final String HBASE_COUNTER_GROUP_NAME

See Also:

• Constant Field Values

type

private String type

file

private String file

tablename

private String tablename

snapshotName

private String snapshotName

restoreDir

private String restoreDir

caching

private String caching

Constructor Details

ScanPerformanceEvaluation

public ScanPerformanceEvaluation()

Method Details

setConf

public void setConf(org.apache.hadoop.conf.Configuration conf)

Specified by:

setConf in interface org.apache.hadoop.conf.Configurable

Overrides:

setConf in class AbstractHBaseTool

addOptions

protected void addOptions()

Description copied from class: AbstractHBaseTool

Override this to add command-line options using AbstractHBaseTool.addOptWithArg(java.lang.String, java.lang.String) and similar methods.

Specified by:

addOptions in class AbstractHBaseTool

processOptions

protected void processOptions(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)

Description copied from class: AbstractHBaseTool

This method is called to process the options after they have been parsed.

Specified by:

processOptions in class AbstractHBaseTool

testHdfsStreaming

protected void testHdfsStreaming(org.apache.hadoop.fs.Path filename)
                          throws IOException

Throws:

IOException

getScan

private Scan getScan()

testScan

public void testScan()
              throws IOException

Throws:

IOException

testSnapshotScan

public void testSnapshotScan()
                      throws IOException

Throws:

IOException

testScanMapReduce

public void testScanMapReduce()
                       throws IOException,
InterruptedException,
ClassNotFoundException

Throws:

IOException

InterruptedException

ClassNotFoundException

testSnapshotScanMapReduce

public void testSnapshotScanMapReduce()
                               throws IOException,
InterruptedException,
ClassNotFoundException

Throws:

IOException

InterruptedException

ClassNotFoundException

doWork

protected int doWork()
              throws Exception

Description copied from class: AbstractHBaseTool

The "main function" of the tool

Specified by:

doWork in class AbstractHBaseTool

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception