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 and Description
static class	CacheTestUtils.ByteArrayCacheable
static class	CacheTestUtils.HFileBlockPair

Constructor Summary

Constructors

Constructor and Description
CacheTestUtils()

Method Summary

Modifier and Type	Method and Description
static CacheTestUtils.HFileBlockPair[]	generateHFileBlocks(int blockSize, int numBlocks)
static void	getBlockAndAssertEquals(BlockCache cache, BlockCacheKey key, Cacheable blockToCache, ByteBuffer destBuffer, ByteBuffer expectedBuffer)
static void	hammerEviction(BlockCache toBeTested, int BlockSize, int numThreads, int numQueries)
static void	hammerSingleKey(BlockCache toBeTested, int BlockSize, int numThreads, int numQueries)
static void	testCacheMultiThreaded(BlockCache toBeTested, int blockSize, int numThreads, int numQueries, double passingScore)
static void	testCacheSimple(BlockCache toBeTested, int blockSize, int numBlocks)
static void	testHeapSizeChanges(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

Constructor Detail

CacheTestUtils

public CacheTestUtils()

Method Detail

testHeapSizeChanges

public static void testHeapSizeChanges(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(BlockCache toBeTested,
                                          int blockSize,
                                          int numThreads,
                                          int numQueries,
                                          double passingScore)
                                   throws Exception

Throws:

Exception

testCacheSimple

public static void testCacheSimple(BlockCache toBeTested,
                                   int blockSize,
                                   int numBlocks)
                            throws Exception

Throws:

Exception

hammerSingleKey

public static void hammerSingleKey(BlockCache toBeTested,
                                   int BlockSize,
                                   int numThreads,
                                   int numQueries)
                            throws Exception

Throws:

Exception

hammerEviction

public static void hammerEviction(BlockCache toBeTested,
                                  int BlockSize,
                                  int numThreads,
                                  int numQueries)
                           throws Exception

Throws:

Exception

generateHFileBlocks

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

getBlockAndAssertEquals

public static void getBlockAndAssertEquals(BlockCache cache,
                                           BlockCacheKey key,
                                           Cacheable blockToCache,
                                           ByteBuffer destBuffer,
                                           ByteBuffer expectedBuffer)