org.apache.hadoop.hbase.master

Class TestMetaFixer

java.lang.Object

org.apache.hadoop.hbase.master.TestMetaFixer

public class TestMetaFixer
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static HBaseClassTestRule	CLASS_RULE
org.junit.rules.TestName	name
private static HBaseTestingUtility	TEST_UTIL

Constructor Summary

Constructors

Constructor and Description
TestMetaFixer()

Method Summary

Modifier and Type	Method and Description
private void	deleteRegion(org.apache.hadoop.hbase.master.MasterServices services, org.apache.hadoop.hbase.client.RegionInfo ri)
private static org.apache.hadoop.hbase.client.RegionInfo	makeOverlap(org.apache.hadoop.hbase.master.MasterServices services, org.apache.hadoop.hbase.client.RegionInfo a, org.apache.hadoop.hbase.client.RegionInfo b)
static void	setupBeforeClass()
static void	tearDownAfterClass()
void	testMergeWithMergedChildRegion() This test covers the case that one of merged parent regions is a merged child region that has not been GCed but there is no reference files anymore.
void	testOneRegionTable() Just make sure running fixMeta does right thing for the case of a single-region Table where the region gets dropped.
void	testOverlap()
private void	testOverlapCommon(org.apache.hadoop.hbase.TableName tn)
void	testOverlapWithMergeOfNonContiguous() Make it so a big overlap spans many Regions, some of which are non-contiguous.
void	testOverlapWithSmallMergeCount()
void	testPlugsHoles()

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

name

public org.junit.rules.TestName name

TEST_UTIL

private static final HBaseTestingUtility TEST_UTIL

Constructor Detail

TestMetaFixer

public TestMetaFixer()

Method Detail

setupBeforeClass

public static void setupBeforeClass()
                             throws Exception

Throws:

Exception

tearDownAfterClass

public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

deleteRegion

private void deleteRegion(org.apache.hadoop.hbase.master.MasterServices services,
                          org.apache.hadoop.hbase.client.RegionInfo ri)
                   throws IOException

Throws:

IOException

testPlugsHoles

public void testPlugsHoles()
                    throws Exception

Throws:

Exception

testOneRegionTable

public void testOneRegionTable()
                        throws IOException

Just make sure running fixMeta does right thing for the case of a single-region Table where the region gets dropped. There is nothing much we can do. We can't restore what we don't know about (at least from a read of hbase:meta).

Throws:

IOException

makeOverlap

private static org.apache.hadoop.hbase.client.RegionInfo makeOverlap(org.apache.hadoop.hbase.master.MasterServices services,
                                                                     org.apache.hadoop.hbase.client.RegionInfo a,
                                                                     org.apache.hadoop.hbase.client.RegionInfo b)
                                                              throws IOException

Throws:

IOException

testOverlapCommon

private void testOverlapCommon(org.apache.hadoop.hbase.TableName tn)
                        throws Exception

Throws:

Exception

testOverlap

public void testOverlap()
                 throws Exception

Throws:

Exception

testOverlapWithSmallMergeCount

public void testOverlapWithSmallMergeCount()
                                    throws Exception

Throws:

Exception

testMergeWithMergedChildRegion

public void testMergeWithMergedChildRegion()
                                    throws Exception

This test covers the case that one of merged parent regions is a merged child region that has not been GCed but there is no reference files anymore. In this case, it will kick off a GC procedure, but no merge will happen.

Throws:

Exception

testOverlapWithMergeOfNonContiguous

public void testOverlapWithMergeOfNonContiguous()
                                         throws Exception

Make it so a big overlap spans many Regions, some of which are non-contiguous. Make it so we can fix this condition. HBASE-24247

Throws:

Exception