org.apache.hadoop.hbase.regionserver.compactions

Class PerfTestCompactionPolicies

java.lang.Object

org.apache.hadoop.hbase.regionserver.compactions.MockStoreFileGenerator

org.apache.hadoop.hbase.regionserver.compactions.PerfTestCompactionPolicies

public class PerfTestCompactionPolicies
extends MockStoreFileGenerator

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy	cp
private Class<? extends StoreFileListGenerator>	fileGenClass
private StoreFileListGenerator	generator
private int	max
private int	min
private float	ratio
private org.apache.hadoop.hbase.regionserver.HStore	store
private long	written

Fields inherited from class org.apache.hadoop.hbase.regionserver.compactions.MockStoreFileGenerator

random

Constructor Summary

Constructors

Constructor and Description
PerfTestCompactionPolicies(Class<? extends org.apache.hadoop.hbase.regionserver.compactions.CompactionPolicy> cpClass, Class<? extends StoreFileListGenerator> fileGenClass, int inMmax, int inMin, float inRatio) Test the perf of a CompactionPolicy with settings.

Method Summary

Modifier and Type	Method and Description
private org.apache.hadoop.hbase.regionserver.HStore	createMockStore()
static Collection<Object[]>	data()
private List<org.apache.hadoop.hbase.regionserver.HStoreFile>	runIteration(List<org.apache.hadoop.hbase.regionserver.HStoreFile> startingStoreFiles)
void	testSelection()

Methods inherited from class org.apache.hadoop.hbase.regionserver.compactions.MockStoreFileGenerator

createMockStoreFile, createMockStoreFile, createMockStoreFileBytes, createStoreFileList

Methods inherited from class java.lang.Object

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

Field Detail

cp

private final org.apache.hadoop.hbase.regionserver.compactions.RatioBasedCompactionPolicy cp

generator

private final StoreFileListGenerator generator

store

private final org.apache.hadoop.hbase.regionserver.HStore store

fileGenClass

private Class<? extends StoreFileListGenerator> fileGenClass

max

private final int max

min

private final int min

ratio

private final float ratio

written

private long written

Constructor Detail

PerfTestCompactionPolicies

public PerfTestCompactionPolicies(Class<? extends org.apache.hadoop.hbase.regionserver.compactions.CompactionPolicy> cpClass,
                                  Class<? extends StoreFileListGenerator> fileGenClass,
                                  int inMmax,
                                  int inMin,
                                  float inRatio)
                           throws IllegalAccessException,
                                  InstantiationException,
                                  NoSuchMethodException,
                                  InvocationTargetException

Test the perf of a CompactionPolicy with settings.

Parameters:

cpClass - The compaction policy to test

inMmax - The maximum number of file to compact

inMin - The min number of files to compact

inRatio - The ratio that files must be under to be compacted.

Throws:

IllegalAccessException

InstantiationException

NoSuchMethodException

InvocationTargetException

Method Detail

data

public static Collection<Object[]> data()

testSelection

public final void testSelection()
                         throws Exception

Throws:

Exception

runIteration

private List<org.apache.hadoop.hbase.regionserver.HStoreFile> runIteration(List<org.apache.hadoop.hbase.regionserver.HStoreFile> startingStoreFiles)
                                                                    throws IOException

Throws:

IOException

createMockStore

private org.apache.hadoop.hbase.regionserver.HStore createMockStore()