org.apache.hadoop.hbase.regionserver.compactions

Class PerfTestCompactionPolicies

java.lang.Object

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

public class PerfTestCompactionPolicies
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Random	random The random number generator.

Constructor Summary

Constructors

Constructor and Description
PerfTestCompactionPolicies(java.lang.Class<? extends CompactionPolicy> cpClass, java.lang.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
protected StoreFile	createMockStoreFile(long size)
protected StoreFile	createMockStoreFile(long sizeInBytes, long seqId)
protected StoreFile	createMockStoreFileBytes(long size)
protected java.util.List<StoreFile>	createStoreFileList(int[] fs)
static java.util.Collection<java.lang.Object[]>	data()
void	testSelection()

Methods inherited from class java.lang.Object

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

Field Detail

random

protected java.util.Random random

The random number generator.

Constructor Detail

PerfTestCompactionPolicies

public PerfTestCompactionPolicies(java.lang.Class<? extends CompactionPolicy> cpClass,
                                  java.lang.Class<? extends StoreFileListGenerator> fileGenClass,
                                  int inMmax,
                                  int inMin,
                                  float inRatio)
                           throws java.lang.IllegalAccessException,
                                  java.lang.InstantiationException

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:

java.lang.IllegalAccessException

java.lang.InstantiationException

Method Detail

data

public static java.util.Collection<java.lang.Object[]> data()

testSelection

public final void testSelection()
                         throws java.lang.Exception

Throws:

java.lang.Exception

createStoreFileList

protected java.util.List<StoreFile> createStoreFileList(int[] fs)

createMockStoreFile

protected StoreFile createMockStoreFile(long size)

createMockStoreFileBytes

protected StoreFile createMockStoreFileBytes(long size)

createMockStoreFile

protected StoreFile createMockStoreFile(long sizeInBytes,
                                        long seqId)