org.apache.hadoop.hbase.regionserver.wal

Class TestLogRollingNoCluster

java.lang.Object

org.apache.hadoop.hbase.regionserver.wal.TestLogRollingNoCluster

public class TestLogRollingNoCluster
extends Object

Test many concurrent appenders to an WAL while rolling the log.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	TestLogRollingNoCluster.Appender Appender thread.
static class	TestLogRollingNoCluster.HighLatencySyncWriter ProtobufLogWriter that simulates higher latencies in sync() call

Field Summary

Fields

Modifier and Type	Field and Description
static HBaseClassTestRule	CLASS_RULE
private static byte[]	EMPTY_1K_ARRAY
private static int	NUM_ENTRIES
private static int	NUM_THREADS
private static HBaseTestingUtility	TEST_UTIL

Constructor Summary

Constructors

Constructor and Description
TestLogRollingNoCluster()

Method Summary

Modifier and Type	Method and Description
void	testContendedLogRolling() Spin up a bunch of threads and have them all append to a WAL.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

TEST_UTIL

private static final HBaseTestingUtility TEST_UTIL

EMPTY_1K_ARRAY

private static final byte[] EMPTY_1K_ARRAY

NUM_THREADS

private static final int NUM_THREADS

See Also:

Constant Field Values

NUM_ENTRIES

private static final int NUM_ENTRIES

See Also:

Constant Field Values

Constructor Detail

TestLogRollingNoCluster

public TestLogRollingNoCluster()

Method Detail

testContendedLogRolling

public void testContendedLogRolling()
                             throws Exception

Spin up a bunch of threads and have them all append to a WAL. Roll the WAL frequently to try and trigger NPE.

Throws:

IOException

InterruptedException

Exception