Package org.apache.hadoop.hbase.io.hfile

Class CacheTestUtils

java.lang.Object

org.apache.hadoop.hbase.io.hfile.CacheTestUtils

public class CacheTestUtils
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CacheTestUtils.ByteArrayCacheable
static class	CacheTestUtils.HFileBlockPair

Field Summary

Fields

Modifier and Type	Field	Description
private static final boolean	includesMemstoreTS

Constructor Summary

Constructors

Constructor	Description
CacheTestUtils()

Method Summary

Modifier and Type	Method	Description
static CacheTestUtils.HFileBlockPair[]	generateBlocksForPath(int blockSize, int numBlocks, org.apache.hadoop.fs.Path path)
static CacheTestUtils.HFileBlockPair[]	generateHFileBlocks(int blockSize, int numBlocks)
static void	getBlockAndAssertEquals(org.apache.hadoop.hbase.io.hfile.BlockCache cache, org.apache.hadoop.hbase.io.hfile.BlockCacheKey key, org.apache.hadoop.hbase.io.hfile.Cacheable blockToCache, ByteBuffer destBuffer, ByteBuffer expectedBuffer)
static void	hammerSingleKey(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested, int numThreads, int numQueries)
static void	testCacheMultiThreaded(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested, int blockSize, int numThreads, int numQueries, double passingScore)
static void	testCacheSimple(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested, int blockSize, int numBlocks)
static void	testHeapSizeChanges(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested, int blockSize)	Just checks if heapsize grows when something is cached, and gets smaller when the same object is evicted

Methods inherited from class java.lang.Object

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

Field Details

includesMemstoreTS

private static final boolean includesMemstoreTS

See Also:

• Constant Field Values

Constructor Details

CacheTestUtils

public CacheTestUtils()

Method Details

testHeapSizeChanges

public static void testHeapSizeChanges(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested,
 int blockSize)

Just checks if heapsize grows when something is cached, and gets smaller when the same object is evicted

testCacheMultiThreaded

public static void testCacheMultiThreaded(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested,
 int blockSize,
 int numThreads,
 int numQueries,
 double passingScore)
                                   throws Exception

Throws:

Exception

testCacheSimple

public static void testCacheSimple(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested,
 int blockSize,
 int numBlocks)
                            throws Exception

Throws:

Exception

hammerSingleKey

public static void hammerSingleKey(org.apache.hadoop.hbase.io.hfile.BlockCache toBeTested,
 int numThreads,
 int numQueries)
                            throws Exception

Throws:

Exception

generateHFileBlocks

public static CacheTestUtils.HFileBlockPair[] generateHFileBlocks(int blockSize,
 int numBlocks)

generateBlocksForPath

public static CacheTestUtils.HFileBlockPair[] generateBlocksForPath(int blockSize,
 int numBlocks,
 org.apache.hadoop.fs.Path path)

getBlockAndAssertEquals

public static void getBlockAndAssertEquals(org.apache.hadoop.hbase.io.hfile.BlockCache cache,
 org.apache.hadoop.hbase.io.hfile.BlockCacheKey key,
 org.apache.hadoop.hbase.io.hfile.Cacheable blockToCache,
 ByteBuffer destBuffer,
 ByteBuffer expectedBuffer)