Package 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

@Tag("org.apache.hadoop.hbase.testclassification.RegionServerTests") @Tag("org.apache.hadoop.hbase.testclassification.MediumTests")
public class PerfTestCompactionPolicies
extends MockStoreFileGenerator

This test compares compaction policy behavior with different generated store file lists and settings. It can be run explicitly; e.g. mvn test -Dtest=PerfTestCompactionPolicies

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	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	Description
private org.apache.hadoop.hbase.regionserver.HStore	createMockStore()
static Stream<org.junit.jupiter.params.provider.Arguments>	parameters()
private List<org.apache.hadoop.hbase.regionserver.HStoreFile>	runIteration(List<org.apache.hadoop.hbase.regionserver.HStoreFile> startingStoreFiles)
final 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 Details

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 Details

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

fileGenClass - The store file list generator to test with

inMmax - The maximum number of files 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 Details

parameters

public static Stream<org.junit.jupiter.params.provider.Arguments> parameters()

testSelection

@TestTemplate
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()