Package org.apache.hadoop.hbase.regionserver

Class TestWALLockup

java.lang.Object

org.apache.hadoop.hbase.regionserver.TestWALLockup

public class TestWALLockup
extends Object

Testing for lock up of FSHLog.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	TestWALLockup.DodgyFSLog
(package private) static class	TestWALLockup.DummyServer

Field Summary

Fields

Modifier and Type	Field	Description
static final HBaseClassTestRule	CLASS_RULE
private static final String	COLUMN_FAMILY
private static final byte[]	COLUMN_FAMILY_BYTES
private static org.apache.hadoop.conf.Configuration	CONF
private String	dir
private static final org.slf4j.Logger	LOG
org.junit.rules.TestName	name
(package private) org.apache.hadoop.hbase.regionserver.HRegion	region
protected org.apache.hadoop.hbase.TableName	tableName
private static HBaseTestingUtility	TEST_UTIL

Constructor Summary

Constructors

Constructor	Description
TestWALLockup()

Method Summary

Modifier and Type	Method	Description
private String	getName()
private static org.apache.hadoop.hbase.regionserver.HRegion	initHRegion(org.apache.hadoop.hbase.TableName tableName, byte[] startKey, byte[] stopKey, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.hbase.wal.WAL wal)
void	setup()
void	tearDown()
void	testLockupWhenSyncInMiddleOfZigZagSetup()	Reproduce locking up that happens when we get an inopportune sync during setup for zigzaglatch wait.
void	testRingBufferEventHandlerStuckWhenSyncFailed()	If below is broken, we will see this test timeout because RingBufferEventHandler was stuck in attainSafePoint.

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

LOG

private static final org.slf4j.Logger LOG

name

public org.junit.rules.TestName name

COLUMN_FAMILY

private static final String COLUMN_FAMILY

See Also:

• Constant Field Values

COLUMN_FAMILY_BYTES

private static final byte[] COLUMN_FAMILY_BYTES

region

org.apache.hadoop.hbase.regionserver.HRegion region

TEST_UTIL

private static HBaseTestingUtility TEST_UTIL

CONF

private static org.apache.hadoop.conf.Configuration CONF

dir

private String dir

tableName

protected org.apache.hadoop.hbase.TableName tableName

Constructor Details

TestWALLockup

public TestWALLockup()

Method Details

setup

public void setup()
           throws IOException

Throws:

IOException

tearDown

public void tearDown()
              throws Exception

Throws:

Exception

getName

private String getName()

testLockupWhenSyncInMiddleOfZigZagSetup

public void testLockupWhenSyncInMiddleOfZigZagSetup()
                                             throws IOException

Reproduce locking up that happens when we get an inopportune sync during setup for zigzaglatch wait. See HBASE-14317. If below is broken, we will see this test timeout because it is locked up.

First I need to set up some mocks for Server and RegionServerServices. I also need to set up a dodgy WAL that will throw an exception when we go to append to it.

Throws:

IOException

testRingBufferEventHandlerStuckWhenSyncFailed

public void testRingBufferEventHandlerStuckWhenSyncFailed()
                                                   throws IOException,
InterruptedException

If below is broken, we will see this test timeout because RingBufferEventHandler was stuck in attainSafePoint. Everyone will wait for sync to finish forever. See HBASE-14317.

Throws:

IOException

InterruptedException

initHRegion

private static org.apache.hadoop.hbase.regionserver.HRegion initHRegion(org.apache.hadoop.hbase.TableName tableName,
 byte[] startKey,
 byte[] stopKey,
 org.apache.hadoop.conf.Configuration conf,
 org.apache.hadoop.hbase.wal.WAL wal)
                                                                 throws IOException

Returns:

A region on which you must call HBaseTestingUtility.closeRegionAndWAL(HRegion) when done.

Throws:

IOException