Package org.apache.hadoop.hbase.client

Class TestMetaCache

java.lang.Object

org.apache.hadoop.hbase.client.TestMetaCache

public class TestMetaCache
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TestMetaCache.CallQueueTooBigExceptionInjector	Throws CallQueueTooBigException for all gets.
private final class	TestMetaCache.ClientThread
static class	TestMetaCache.ExceptionInjector
static class	TestMetaCache.FakeRSRpcServices
static class	TestMetaCache.LockSleepInjector
static class	TestMetaCache.RegionServerWithFakeRpcServices
static class	TestMetaCache.RoundRobinExceptionInjector	Rotates through the possible cache clearing and non-cache clearing exceptions for requests.

Field Summary

Fields

Modifier and Type	Field	Description
private static org.apache.hadoop.hbase.regionserver.HRegionServer	badRS
static final HBaseClassTestRule	CLASS_RULE
private static final byte[]	FAMILY
private static final org.slf4j.Logger	LOG
private static final byte[]	QUALIFIER
private static final org.apache.hadoop.hbase.TableName	TABLE_NAME
private static final HBaseTestingUtility	TEST_UTIL

Constructor Summary

Constructors

Constructor	Description
TestMetaCache()

Method Summary

Modifier and Type	Method	Description
private long	executeAndGetNewMisses(org.junit.function.ThrowingRunnable runnable, org.apache.hadoop.hbase.client.MetricsConnection metrics)
private boolean	executeUntilCacheClearingException(org.apache.hadoop.hbase.client.Table table, org.apache.hadoop.hbase.client.Scan scan)
static List<Throwable>	metaCachePreservingExceptions()
private void	populateCache(org.apache.hadoop.hbase.client.Table table, byte[] row)
static void	setUpBeforeClass()
static void	tearDownAfterClass()
void	testAddToCacheReverse()	Test that our cleanOverlappingRegions doesn't incorrectly remove regions from cache.
void	testCacheClearingOnCallQueueTooBig()
void	testClearsCacheOnScanException()
void	testMergeEmptyWithMetaCache()
void	testPreserveMetaCacheOnException()
void	testUserRegionLockThrowsException()

Methods inherited from class java.lang.Object

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

Field Details

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

TEST_UTIL

private static final HBaseTestingUtility TEST_UTIL

TABLE_NAME

private static final org.apache.hadoop.hbase.TableName TABLE_NAME

FAMILY

private static final byte[] FAMILY

QUALIFIER

private static final byte[] QUALIFIER

badRS

private static org.apache.hadoop.hbase.regionserver.HRegionServer badRS

LOG

private static final org.slf4j.Logger LOG

Constructor Details

TestMetaCache

public TestMetaCache()

Method Details

setUpBeforeClass

public static void setUpBeforeClass()
                             throws Exception

Throws:

Exception

tearDownAfterClass

public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

testMergeEmptyWithMetaCache

public void testMergeEmptyWithMetaCache()
                                 throws Throwable

Throws:

Throwable

executeAndGetNewMisses

private long executeAndGetNewMisses(org.junit.function.ThrowingRunnable runnable,
 org.apache.hadoop.hbase.client.MetricsConnection metrics)
                             throws Throwable

Throws:

Throwable

testAddToCacheReverse

public void testAddToCacheReverse()
                           throws IOException,
InterruptedException,
ExecutionException

Test that our cleanOverlappingRegions doesn't incorrectly remove regions from cache. Originally encountered when using floorEntry rather than lowerEntry.

Throws:

IOException

InterruptedException

ExecutionException

testPreserveMetaCacheOnException

public void testPreserveMetaCacheOnException()
                                      throws Exception

Throws:

Exception

testClearsCacheOnScanException

public void testClearsCacheOnScanException()
                                    throws Exception

Throws:

Exception

populateCache

private void populateCache(org.apache.hadoop.hbase.client.Table table,
 byte[] row)

executeUntilCacheClearingException

private boolean executeUntilCacheClearingException(org.apache.hadoop.hbase.client.Table table,
 org.apache.hadoop.hbase.client.Scan scan)

testCacheClearingOnCallQueueTooBig

public void testCacheClearingOnCallQueueTooBig()
                                        throws Exception

Throws:

Exception

metaCachePreservingExceptions

public static List<Throwable> metaCachePreservingExceptions()

testUserRegionLockThrowsException

public void testUserRegionLockThrowsException()
                                       throws IOException,
InterruptedException

Throws:

IOException

InterruptedException