org.apache.hadoop.hbase.master.balancer

Class LoadBalancerPerformanceEvaluation

java.lang.Object

org.apache.hadoop.hbase.util.AbstractHBaseTool

org.apache.hadoop.hbase.master.balancer.LoadBalancerPerformanceEvaluation

All Implemented Interfaces:

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

@InterfaceAudience.LimitedPrivate(value="Tools")
public class LoadBalancerPerformanceEvaluation
extends org.apache.hadoop.hbase.util.AbstractHBaseTool

Tool to test performance of different LoadBalancer implementations. Example command: $ bin/hbase org.apache.hadoop.hbase.master.balancer.LoadBalancerPerformanceEvaluation -regions 1000 -servers 100 -load_balancer org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer

Nested Class Summary

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

org.apache.hadoop.hbase.util.AbstractHBaseTool.OptionsOrderComparator

Field Summary

Fields

Modifier and Type	Field and Description
private static String	DEFAULT_LOAD_BALANCER
private static int	DEFAULT_NUM_REGIONS
private static int	DEFAULT_NUM_SERVERS
private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option	LOAD_BALANCER_OPT
private org.apache.hadoop.hbase.master.LoadBalancer	loadBalancer
private Class<?>	loadBalancerClazz
private String	loadBalancerType
private static org.slf4j.Logger	LOG
private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option	NUM_REGIONS_OPT
private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option	NUM_SERVERS_OPT
private int	numRegions
private int	numServers
private List<org.apache.hadoop.hbase.client.RegionInfo>	regions
private Map<org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName>	regionServerMap
private List<org.apache.hadoop.hbase.ServerName>	servers
private Map<org.apache.hadoop.hbase.TableName,Map<org.apache.hadoop.hbase.ServerName,List<org.apache.hadoop.hbase.client.RegionInfo>>>	tableServerRegionMap
protected static HBaseCommonTestingUtility	UTIL

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 and Description
LoadBalancerPerformanceEvaluation()

Method Summary

Modifier and Type	Method and Description
protected void	addOptions()
protected int	doWork()
private String	formatResults(String methodName, long timeMillis)
private void	generateRegionsAndServers()
static void	main(String[] args)
protected void	processOptions(org.apache.hbase.thirdparty.org.apache.commons.cli.CommandLine cmd)
private void	setupConf()

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, setConf

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final org.slf4j.Logger LOG

UTIL

protected static final HBaseCommonTestingUtility UTIL

DEFAULT_NUM_REGIONS

private static final int DEFAULT_NUM_REGIONS

See Also:

Constant Field Values

NUM_REGIONS_OPT

private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option NUM_REGIONS_OPT

DEFAULT_NUM_SERVERS

private static final int DEFAULT_NUM_SERVERS

See Also:

Constant Field Values

NUM_SERVERS_OPT

private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option NUM_SERVERS_OPT

DEFAULT_LOAD_BALANCER

private static final String DEFAULT_LOAD_BALANCER

See Also:

Constant Field Values

LOAD_BALANCER_OPT

private static org.apache.hbase.thirdparty.org.apache.commons.cli.Option LOAD_BALANCER_OPT

numRegions

private int numRegions

numServers

private int numServers

loadBalancerType

private String loadBalancerType

loadBalancerClazz

private Class<?> loadBalancerClazz

loadBalancer

private org.apache.hadoop.hbase.master.LoadBalancer loadBalancer

servers

private List<org.apache.hadoop.hbase.ServerName> servers

regions

private List<org.apache.hadoop.hbase.client.RegionInfo> regions

regionServerMap

private Map<org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName> regionServerMap

tableServerRegionMap

private Map<org.apache.hadoop.hbase.TableName,Map<org.apache.hadoop.hbase.ServerName,List<org.apache.hadoop.hbase.client.RegionInfo>>> tableServerRegionMap

Constructor Detail

LoadBalancerPerformanceEvaluation

public LoadBalancerPerformanceEvaluation()

Method Detail

setupConf

private void setupConf()

generateRegionsAndServers

private void generateRegionsAndServers()

addOptions

protected void addOptions()

Specified by:

addOptions in class org.apache.hadoop.hbase.util.AbstractHBaseTool

processOptions

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

Specified by:

processOptions in class org.apache.hadoop.hbase.util.AbstractHBaseTool

formatResults

private String formatResults(String methodName,
                             long timeMillis)

doWork

protected int doWork()
              throws Exception

Specified by:

doWork in class org.apache.hadoop.hbase.util.AbstractHBaseTool

Throws:

Exception

main

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

Throws:

IOException