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IndexingServiceTest.java
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IndexingServiceTest.java
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/*
* Copyright (c) 2002-2018 "Neo4j,"
* Neo4j Sweden AB [http://neo4j.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.kernel.impl.api.index;
import org.eclipse.collections.api.map.primitive.LongObjectMap;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.ArgumentCaptor;
import org.mockito.InOrder;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import java.io.File;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.IntPredicate;
import org.neo4j.graphdb.ResourceIterator;
import org.neo4j.graphdb.factory.GraphDatabaseSettings;
import org.neo4j.helpers.collection.BoundedIterable;
import org.neo4j.helpers.collection.Visitor;
import org.neo4j.internal.kernel.api.InternalIndexState;
import org.neo4j.internal.kernel.api.TokenNameLookup;
import org.neo4j.internal.kernel.api.schema.LabelSchemaDescriptor;
import org.neo4j.internal.kernel.api.schema.SchemaDescriptor;
import org.neo4j.io.fs.FileSystemAbstraction;
import org.neo4j.io.pagecache.IOLimiter;
import org.neo4j.io.pagecache.PageCache;
import org.neo4j.kernel.api.exceptions.index.IndexEntryConflictException;
import org.neo4j.kernel.api.exceptions.index.IndexNotFoundKernelException;
import org.neo4j.kernel.api.exceptions.index.IndexPopulationFailedKernelException;
import org.neo4j.kernel.api.index.IndexAccessor;
import org.neo4j.kernel.api.index.IndexEntryUpdate;
import org.neo4j.kernel.api.index.IndexPopulator;
import org.neo4j.kernel.api.index.IndexProvider;
import org.neo4j.kernel.api.index.IndexUpdater;
import org.neo4j.kernel.api.schema.index.CapableIndexDescriptor;
import org.neo4j.kernel.api.schema.index.IndexDescriptor;
import org.neo4j.kernel.api.schema.index.StoreIndexDescriptor;
import org.neo4j.kernel.configuration.Config;
import org.neo4j.kernel.impl.api.SchemaState;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingController;
import org.neo4j.kernel.impl.api.index.sampling.IndexSamplingMode;
import org.neo4j.kernel.impl.scheduler.CentralJobScheduler;
import org.neo4j.kernel.impl.store.UnderlyingStorageException;
import org.neo4j.kernel.impl.storemigration.StoreMigrationParticipant;
import org.neo4j.kernel.impl.transaction.command.Command.NodeCommand;
import org.neo4j.kernel.impl.transaction.command.Command.PropertyCommand;
import org.neo4j.kernel.impl.transaction.state.DefaultIndexProviderMap;
import org.neo4j.kernel.impl.transaction.state.DirectIndexUpdates;
import org.neo4j.kernel.impl.transaction.state.IndexUpdates;
import org.neo4j.kernel.lifecycle.LifeRule;
import org.neo4j.kernel.lifecycle.LifecycleException;
import org.neo4j.logging.AssertableLogProvider;
import org.neo4j.logging.AssertableLogProvider.LogMatcherBuilder;
import org.neo4j.register.Register.DoubleLongRegister;
import org.neo4j.scheduler.JobScheduler;
import org.neo4j.storageengine.api.schema.IndexReader;
import org.neo4j.storageengine.api.schema.IndexSample;
import org.neo4j.storageengine.api.schema.PopulationProgress;
import org.neo4j.test.Barrier;
import org.neo4j.test.DoubleLatch;
import org.neo4j.values.storable.Values;
import static java.lang.String.format;
import static java.lang.System.currentTimeMillis;
import static java.util.Arrays.asList;
import static java.util.concurrent.TimeUnit.SECONDS;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.startsWith;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.ArgumentMatchers.anyLong;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.ArgumentMatchers.isNull;
import static org.mockito.Mockito.RETURNS_MOCKS;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.verifyZeroInteractions;
import static org.mockito.Mockito.when;
import static org.neo4j.helpers.collection.Iterators.asCollection;
import static org.neo4j.helpers.collection.Iterators.asResourceIterator;
import static org.neo4j.helpers.collection.Iterators.asSet;
import static org.neo4j.helpers.collection.Iterators.iterator;
import static org.neo4j.helpers.collection.Iterators.loop;
import static org.neo4j.internal.kernel.api.InternalIndexState.FAILED;
import static org.neo4j.internal.kernel.api.InternalIndexState.ONLINE;
import static org.neo4j.internal.kernel.api.InternalIndexState.POPULATING;
import static org.neo4j.kernel.api.schema.SchemaDescriptorFactory.forLabel;
import static org.neo4j.kernel.api.schema.index.IndexDescriptorFactory.forSchema;
import static org.neo4j.kernel.api.schema.index.IndexDescriptorFactory.uniqueForSchema;
import static org.neo4j.kernel.impl.api.index.IndexUpdateMode.RECOVERY;
import static org.neo4j.kernel.impl.api.index.TestIndexProviderDescriptor.PROVIDER_DESCRIPTOR;
import static org.neo4j.kernel.impl.api.index.sampling.IndexSamplingMode.TRIGGER_REBUILD_ALL;
import static org.neo4j.logging.AssertableLogProvider.inLog;
import static org.neo4j.register.Registers.newDoubleLongRegister;
public class IndexingServiceTest
{
@Rule
public final LifeRule life = new LifeRule();
@Rule
public ExpectedException expectedException = ExpectedException.none();
private static final LogMatcherBuilder logMatch = inLog( IndexingService.class );
private final SchemaState schemaState = mock( SchemaState.class );
private final int labelId = 7;
private final int propertyKeyId = 15;
private final IndexDescriptor index = forSchema( forLabel( labelId, propertyKeyId ), PROVIDER_DESCRIPTOR );
private final IndexPopulator populator = mock( IndexPopulator.class );
private final IndexUpdater updater = mock( IndexUpdater.class );
private final IndexProvider indexProvider = mock( IndexProvider.class );
private final IndexAccessor accessor = mock( IndexAccessor.class, RETURNS_MOCKS );
private final IndexStoreView storeView = mock( IndexStoreView.class );
private final TokenNameLookup nameLookup = mock( TokenNameLookup.class );
private final AssertableLogProvider logProvider = new AssertableLogProvider();
@Before
public void setUp()
{
when( populator.sampleResult() ).thenReturn( new IndexSample() );
when( storeView.indexSample( anyLong(), any( DoubleLongRegister.class ) ) )
.thenAnswer( invocation -> invocation.getArgument( 1 ) );
}
@Test
public void noMessagesWhenThereIsNoIndexes() throws Exception
{
IndexMapReference indexMapReference = new IndexMapReference();
IndexingService indexingService = createIndexServiceWithCustomIndexMap( indexMapReference );
indexingService.start();
logProvider.assertNoLoggingOccurred();
}
@Test
public void shouldBringIndexOnlineAndFlipOverToIndexAccessor() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn(updater);
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( index.withId( 0 ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
waitForIndexesToComeOnline( indexingService, 0 );
verify( populator, timeout( 10000 ) ).close( true );
try ( IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( add( 10, "foo" ) );
}
// then
assertEquals( InternalIndexState.ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater);
order.verify( populator ).create();
order.verify( populator ).close( true );
order.verify( accessor ).newUpdater( IndexUpdateMode.ONLINE_IDEMPOTENT );
order.verify( updater ).process( add( 10, "foo" ) );
order.verify( updater ).close();
}
@Test
public void indexCreationShouldBeIdempotent() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater );
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( index.withId( 0 ) );
indexingService.createIndexes( index.withId( 0 ) );
// We are asserting that the second call to createIndex does not throw an exception.
waitForIndexesToComeOnline( indexingService, 0 );
}
@SuppressWarnings( "unchecked" )
@Test
public void shouldDeliverUpdatesThatOccurDuringPopulationToPopulator() throws Exception
{
// given
when( populator.newPopulatingUpdater( storeView ) ).thenReturn( updater );
CountDownLatch populationLatch = new CountDownLatch( 1 );
Barrier.Control populationStartBarrier = new Barrier.Control();
IndexingService.Monitor monitor = new IndexingService.MonitorAdapter()
{
@Override
public void indexPopulationScanStarting()
{
populationStartBarrier.reached();
}
@Override
public void indexPopulationScanComplete()
{
try
{
populationLatch.await();
}
catch ( InterruptedException e )
{
Thread.currentThread().interrupt();
throw new RuntimeException( "Index population monitor was interrupted", e );
}
}
};
IndexingService indexingService =
newIndexingServiceWithMockedDependencies( populator, accessor, withData( addNodeUpdate( 1, "value1" ) ), monitor );
life.start();
// when
indexingService.createIndexes( index.withId( 0 ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
assertEquals( InternalIndexState.POPULATING, proxy.getState() );
populationStartBarrier.await();
populationStartBarrier.release();
IndexEntryUpdate<?> value2 = add( 2, "value2" );
try ( IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( value2 );
}
populationLatch.countDown();
waitForIndexesToComeOnline( indexingService, 0 );
verify( populator ).close( true );
// then
assertEquals( InternalIndexState.ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater);
order.verify( populator ).create();
order.verify( populator ).includeSample( add( 1, "value1" ) );
order.verify( populator, times( 2 ) ).add( any( Collection.class ) );
// invoked from indexAllNodes(), empty because the id we added (2) is bigger than the one we indexed (1)
//
// (We don't get an update for value2 here because we mock a fake store that doesn't contain it
// just for the purpose of testing this behavior)
order.verify( populator ).newPopulatingUpdater( storeView );
order.verify( updater ).close();
order.verify( populator ).sampleResult();
order.verify( populator ).close( true );
verifyNoMoreInteractions( updater );
verifyNoMoreInteractions( populator );
verifyZeroInteractions( accessor );
}
@Test
public void shouldStillReportInternalIndexStateAsPopulatingWhenConstraintIndexIsDonePopulating() throws Exception
{
// given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn(updater);
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( constraintIndexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
// don't wait for index to come ONLINE here since we're testing that it doesn't
verify( populator, timeout( 20000 ) ).close( true );
try ( IndexUpdater updater = proxy.newUpdater( IndexUpdateMode.ONLINE ) )
{
updater.process( add( 10, "foo" ) );
}
// then
assertEquals( InternalIndexState.POPULATING, proxy.getState() );
InOrder order = inOrder( populator, accessor, updater );
order.verify( populator ).create();
order.verify( populator ).close( true );
order.verify( accessor ).newUpdater( IndexUpdateMode.ONLINE );
order.verify(updater).process( add( 10, "foo" ) );
order.verify(updater).close();
}
@Test
public void shouldBringConstraintIndexOnlineWhenExplicitlyToldTo() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
// when
indexingService.createIndexes( constraintIndexRule( 0, labelId, propertyKeyId, PROVIDER_DESCRIPTOR ) );
IndexProxy proxy = indexingService.getIndexProxy( 0 );
indexingService.activateIndex( 0 );
// then
assertEquals( ONLINE, proxy.getState() );
InOrder order = inOrder( populator, accessor );
order.verify( populator ).create();
order.verify( populator ).close( true );
}
@Test
public void shouldLogIndexStateOnInit() throws Exception
{
// given
IndexProvider provider = mock( IndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
IndexAccessor indexAccessor = mock( IndexAccessor.class );
when( provider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) )
.thenReturn( indexAccessor );
IndexProviderMap providerMap = new DefaultIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
StoreIndexDescriptor onlineIndex = storeIndex( 1, 1, 1, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor populatingIndex = storeIndex( 2, 1, 2, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor failedIndex = storeIndex( 3, 2, 2, PROVIDER_DESCRIPTOR );
life.add( IndexingServiceFactory.createIndexingService( Config.defaults(), mock( JobScheduler.class ), providerMap,
mock( IndexStoreView.class ), mockLookup, asList( onlineIndex, populatingIndex, failedIndex ),
logProvider, IndexingService.NO_MONITOR, schemaState ) );
when( provider.getInitialState( onlineIndex ) )
.thenReturn( ONLINE );
when( provider.getInitialState( populatingIndex ) )
.thenReturn( InternalIndexState.POPULATING );
when( provider.getInitialState( failedIndex ) )
.thenReturn( InternalIndexState.FAILED );
when(mockLookup.labelGetName( 1 )).thenReturn( "LabelOne" );
when( mockLookup.labelGetName( 2 ) ).thenReturn( "LabelTwo" );
when( mockLookup.propertyKeyGetName( 1 ) ).thenReturn( "propertyOne" );
when( mockLookup.propertyKeyGetName( 2 ) ).thenReturn( "propertyTwo" );
// when
life.init();
// then
logProvider.assertAtLeastOnce(
logMatch.debug( "IndexingService.init: index 1 on :LabelOne(propertyOne) is ONLINE" ),
logMatch.debug( "IndexingService.init: index 2 on :LabelOne(propertyTwo) is POPULATING" ),
logMatch.debug( "IndexingService.init: index 3 on :LabelTwo(propertyTwo) is FAILED" )
);
}
@Test
public void shouldLogIndexStateOnStart() throws Exception
{
// given
IndexProvider provider = mock( IndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
IndexProviderMap providerMap = new DefaultIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
StoreIndexDescriptor onlineIndex = storeIndex( 1, 1, 1, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor populatingIndex = storeIndex( 2, 1, 2, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor failedIndex = storeIndex( 3, 2, 2, PROVIDER_DESCRIPTOR );
IndexingService indexingService = IndexingServiceFactory.createIndexingService( Config.defaults(),
mock( JobScheduler.class ), providerMap, storeView, mockLookup,
asList( onlineIndex, populatingIndex, failedIndex ), logProvider, IndexingService.NO_MONITOR,
schemaState );
when( provider.getInitialState( onlineIndex ) )
.thenReturn( ONLINE );
when( provider.getInitialState( populatingIndex ) )
.thenReturn( InternalIndexState.POPULATING );
when( provider.getInitialState( failedIndex ) )
.thenReturn( InternalIndexState.FAILED );
when( provider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) ).thenAnswer(
invocation -> mock( IndexAccessor.class ) );
indexingService.init();
when(mockLookup.labelGetName( 1 )).thenReturn( "LabelOne" );
when(mockLookup.labelGetName( 2 )).thenReturn( "LabelTwo" );
when(mockLookup.propertyKeyGetName( 1 )).thenReturn( "propertyOne" );
when(mockLookup.propertyKeyGetName( 2 )).thenReturn( "propertyTwo" );
when( storeView.indexSample( anyLong(), any( DoubleLongRegister.class ) ) ).thenReturn( newDoubleLongRegister( 32L, 32L ) );
logProvider.clear();
// when
indexingService.start();
// then
verify( provider ).getPopulationFailure( failedIndex );
logProvider.assertAtLeastOnce(
logMatch.debug( "IndexingService.start: index 1 on :LabelOne(propertyOne) is ONLINE" ),
logMatch.debug( "IndexingService.start: index 2 on :LabelOne(propertyTwo) is POPULATING" ),
logMatch.debug( "IndexingService.start: index 3 on :LabelTwo(propertyTwo) is FAILED" )
);
}
@Test
public void shouldFailToStartIfMissingIndexProvider() throws Exception
{
// GIVEN an indexing service that has a schema index provider X
String otherProviderKey = "something-completely-different";
IndexProvider.Descriptor otherDescriptor = new IndexProvider.Descriptor(
otherProviderKey, "no-version" );
StoreIndexDescriptor rule = storeIndex( 1, 2, 3, otherDescriptor );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
mock( IndexPopulator.class ), mock( IndexAccessor.class ),
new DataUpdates(), rule );
// WHEN trying to start up and initialize it with an index from provider Y
try
{
life.init();
fail( "initIndexes with mismatching index provider should fail" );
}
catch ( LifecycleException e )
{ // THEN starting up should fail
assertThat( e.getCause().getMessage(), containsString( PROVIDER_DESCRIPTOR.name() ) );
assertThat( e.getCause().getMessage(), containsString( otherProviderKey ) );
}
}
@Test
public void shouldSnapshotOnlineIndexes() throws Exception
{
// GIVEN
int indexId = 1;
int indexId2 = 2;
StoreIndexDescriptor rule1 = storeIndex( indexId, 2, 3, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor rule2 = storeIndex( indexId2, 4, 5, PROVIDER_DESCRIPTOR );
IndexAccessor indexAccessor = mock( IndexAccessor.class );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
mock( IndexPopulator.class ), indexAccessor,
new DataUpdates( ), rule1, rule2 );
File theFile = new File( "Blah" );
when( indexAccessor.snapshotFiles()).thenAnswer( newResourceIterator( theFile ) );
when( indexProvider.getInitialState( rule1 ) ).thenReturn( ONLINE );
when( indexProvider.getInitialState( rule2 ) ).thenReturn( ONLINE );
when( storeView.indexSample( anyLong(), any( DoubleLongRegister.class ) ) )
.thenReturn( newDoubleLongRegister( 32L, 32L ) );
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotIndexFiles();
// THEN
// We get a snapshot per online index
assertThat( asCollection( files ), equalTo( asCollection( iterator( theFile, theFile ) ) ) );
}
@Test
public void shouldNotSnapshotPopulatingIndexes() throws Exception
{
// GIVEN
CountDownLatch populatorLatch = new CountDownLatch( 1 );
IndexAccessor indexAccessor = mock(IndexAccessor.class);
int indexId = 1;
int indexId2 = 2;
StoreIndexDescriptor rule1 = storeIndex( indexId, 2, 3, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor rule2 = storeIndex( indexId2, 4, 5, PROVIDER_DESCRIPTOR );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
populator, indexAccessor,
new DataUpdates(), rule1, rule2 );
File theFile = new File( "Blah" );
doAnswer( waitForLatch( populatorLatch ) ).when( populator ).create();
when( indexAccessor.snapshotFiles() ).thenAnswer( newResourceIterator( theFile ) );
when( indexProvider.getInitialState( rule1 ) ).thenReturn( POPULATING );
when( indexProvider.getInitialState( rule2 ) ).thenReturn( ONLINE );
when( storeView.indexSample( anyLong(), any( DoubleLongRegister.class ) ) ).thenReturn( newDoubleLongRegister( 32L, 32L ) );
life.start();
// WHEN
ResourceIterator<File> files = indexing.snapshotIndexFiles();
populatorLatch.countDown(); // only now, after the snapshot, is the population job allowed to finish
waitForIndexesToComeOnline( indexing, indexId, indexId2 );
// THEN
// We get a snapshot from the online index, but no snapshot from the populating one
assertThat( asCollection( files ), equalTo( asCollection( iterator( theFile ) ) ) );
}
@Test
public void shouldIgnoreActivateCallDuringRecovery() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
// when
indexingService.activateIndex( 0 );
// then no exception should be thrown.
}
@Test
public void shouldLogTriggerSamplingOnAllIndexes() throws Exception
{
// given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IndexSamplingMode mode = TRIGGER_REBUILD_ALL;
// when
indexingService.triggerIndexSampling( mode );
// then
logProvider.assertAtLeastOnce(
logMatch.info( "Manual trigger for sampling all indexes [" + mode + "]" )
);
}
@Test
public void shouldLogTriggerSamplingOnAnIndexes() throws Exception
{
// given
long indexId = 0;
IndexSamplingMode mode = TRIGGER_REBUILD_ALL;
IndexDescriptor descriptor = forSchema( forLabel( 0, 1 ), PROVIDER_DESCRIPTOR );
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData(),
descriptor.withId( indexId ) );
life.init();
life.start();
// when
indexingService.triggerIndexSampling( descriptor.schema() , mode );
// then
String userDescription = descriptor.schema().userDescription( nameLookup );
logProvider.assertAtLeastOnce(
logMatch.info( "Manual trigger for sampling index " + userDescription + " [" + mode + "]" )
);
}
@Test
public void applicationOfIndexUpdatesShouldThrowIfServiceIsShutdown()
throws IOException, IndexEntryConflictException
{
// Given
IndexingService indexingService = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
life.shutdown();
try
{
// When
indexingService.apply( updates( asSet( add( 1, "foo" ) ) ) );
fail( "Should have thrown " + IllegalStateException.class.getSimpleName() );
}
catch ( IllegalStateException e )
{
// Then
assertThat( e.getMessage(), startsWith( "Can't apply index updates" ) );
}
}
private IndexUpdates updates( Iterable<IndexEntryUpdate<SchemaDescriptor>> updates )
{
return new DirectIndexUpdates( updates );
}
@Test
public void applicationOfUpdatesShouldFlush() throws Exception
{
// Given
when( accessor.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater );
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
life.start();
indexing.createIndexes( index.withId( 0 ) );
waitForIndexesToComeOnline( indexing, 0 );
verify( populator, timeout( 10000 ) ).close( true );
// When
indexing.apply( updates( asList( add( 1, "foo" ), add( 2, "bar" ) ) ) );
// Then
InOrder inOrder = inOrder( updater );
inOrder.verify( updater ).process( add( 1, "foo" ) );
inOrder.verify( updater ).process( add( 2, "bar" ) );
inOrder.verify( updater ).close();
inOrder.verifyNoMoreInteractions();
}
@Test
public void closingOfValidatedUpdatesShouldCloseUpdaters() throws Exception
{
// Given
long indexId1 = 1;
long indexId2 = 2;
int labelId1 = 24;
int labelId2 = 42;
StoreIndexDescriptor index1 = storeIndex( indexId1, labelId1, propertyKeyId, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor index2 = storeIndex( indexId2, labelId2, propertyKeyId, PROVIDER_DESCRIPTOR );
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IndexAccessor accessor1 = mock( IndexAccessor.class );
IndexUpdater updater1 = mock( IndexUpdater.class );
when( accessor1.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater1 );
IndexAccessor accessor2 = mock( IndexAccessor.class );
IndexUpdater updater2 = mock( IndexUpdater.class );
when( accessor2.newUpdater( any( IndexUpdateMode.class ) ) ).thenReturn( updater2 );
when( indexProvider.getOnlineAccessor( eq( index1 ), any( IndexSamplingConfig.class ) ) ).thenReturn( accessor1 );
when( indexProvider.getOnlineAccessor( eq( index2 ), any( IndexSamplingConfig.class ) ) ).thenReturn( accessor2 );
life.start();
indexing.createIndexes( index1 );
indexing.createIndexes( index2 );
waitForIndexesToComeOnline( indexing, indexId1, indexId2 );
verify( populator, timeout( 10000 ).times( 2 ) ).close( true );
// When
indexing.apply( updates( asList(
add( 1, "foo", labelId1 ),
add( 2, "bar", labelId2 ) ) ) );
// Then
verify( updater1 ).close();
verify( updater2 ).close();
}
private void waitForIndexesToComeOnline( IndexingService indexing, long... indexRuleIds )
throws IndexNotFoundKernelException
{
waitForIndexesToGetIntoState( indexing, ONLINE, indexRuleIds );
}
private void waitForIndexesToGetIntoState( IndexingService indexing, InternalIndexState state,
long... indexRuleIds )
throws IndexNotFoundKernelException
{
long end = currentTimeMillis() + SECONDS.toMillis( 30 );
while ( !allInState( indexing, state, indexRuleIds ) )
{
if ( currentTimeMillis() > end )
{
fail( "Indexes couldn't come online" );
}
}
}
private boolean allInState( IndexingService indexing, InternalIndexState state,
long[] indexRuleIds ) throws IndexNotFoundKernelException
{
for ( long indexRuleId : indexRuleIds )
{
if ( indexing.getIndexProxy( indexRuleId ).getState() != state )
{
return false;
}
}
return true;
}
private IndexUpdates nodeIdsAsIndexUpdates( long... nodeIds )
{
return new IndexUpdates()
{
@Override
public Iterator<IndexEntryUpdate<SchemaDescriptor>> iterator()
{
List<IndexEntryUpdate<SchemaDescriptor>> updates = new ArrayList<>();
for ( long nodeId : nodeIds )
{
updates.add( IndexEntryUpdate.add( nodeId, index.schema(), Values.of( 1 ) ) );
}
return updates.iterator();
}
@Override
public void feed( LongObjectMap<List<PropertyCommand>> propCommands, LongObjectMap<NodeCommand> nodeCommands )
{
throw new UnsupportedOperationException();
}
@Override
public boolean hasUpdates()
{
return nodeIds.length > 0;
}
};
}
/*
* See comments in IndexingService#createIndex
*/
@Test
public void shouldNotLoseIndexDescriptorDueToOtherSimilarIndexDuringRecovery() throws Exception
{
// GIVEN
long nodeId = 0;
long indexId = 1;
long otherIndexId = 2;
EntityUpdates update = addNodeUpdate( nodeId, "value" );
when( storeView.nodeAsUpdates( eq( nodeId ) ) ).thenReturn( update );
DoubleLongRegister register = mock( DoubleLongRegister.class );
when( register.readSecond() ).thenReturn( 42L );
when( storeView.indexSample( anyLong(), any( DoubleLongRegister.class ) ) )
.thenReturn( register );
// For some reason the usual accessor returned null from newUpdater, even when told to return the updater
// so spying on a real object instead.
IndexAccessor accessor = spy( new TrackingIndexAccessor() );
StoreIndexDescriptor storeIndex = index.withId( indexId );
IndexingService indexing = newIndexingServiceWithMockedDependencies(
populator, accessor, withData( update ), storeIndex
);
when( indexProvider.getInitialState( storeIndex ) ).thenReturn( ONLINE );
life.init();
// WHEN dropping another index, which happens to have the same label/property... while recovering
StoreIndexDescriptor otherIndex = storeIndex.withId( otherIndexId );
indexing.createIndexes( otherIndex );
indexing.dropIndex( otherIndex );
// and WHEN finally creating our index again (at a later point in recovery)
indexing.createIndexes( storeIndex );
reset( accessor );
indexing.apply( nodeIdsAsIndexUpdates( nodeId ) );
// and WHEN starting, i.e. completing recovery
life.start();
verify( accessor ).newUpdater( RECOVERY );
}
@Test
public void shouldWaitForRecoveredUniquenessConstraintIndexesToBeFullyPopulated() throws Exception
{
// I.e. when a uniqueness constraint is created, but database crashes before that schema record
// ends up in the store, so that next start have no choice but to rebuild it.
// GIVEN
final DoubleLatch latch = new DoubleLatch();
ControlledIndexPopulator populator = new ControlledIndexPopulator( latch );
final AtomicLong indexId = new AtomicLong( -1 );
IndexingService.Monitor monitor = new IndexingService.MonitorAdapter()
{
@Override
public void awaitingPopulationOfRecoveredIndex( StoreIndexDescriptor descriptor )
{
// When we see that we start to await the index to populate, notify the slow-as-heck
// populator that it can actually go and complete its job.
indexId.set( descriptor.getId() );
latch.startAndWaitForAllToStart();
}
};
// leaving out the IndexRule here will have the index being populated from scratch
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor,
withData( addNodeUpdate( 0, "value", 1 ) ), monitor );
// WHEN initializing, i.e. preparing for recovery
life.init();
// simulating an index being created as part of applying recovered transactions
long fakeOwningConstraintRuleId = 1;
indexing.createIndexes( constraintIndexRule( 2, labelId, propertyKeyId, PROVIDER_DESCRIPTOR,
fakeOwningConstraintRuleId ) );
// and then starting, i.e. considering recovery completed
life.start();
// THEN afterwards the index should be ONLINE
assertEquals( 2, indexId.get() );
assertEquals( ONLINE, indexing.getIndexProxy( indexId.get() ).getState() );
}
@Test
public void shouldCreateMultipleIndexesInOneCall() throws Exception
{
// GIVEN
IndexingService.Monitor monitor = IndexingService.NO_MONITOR;
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor,
withData( addNodeUpdate( 0, "value", 1 ) ), monitor );
life.start();
// WHEN
StoreIndexDescriptor indexRule1 = storeIndex( 0, 0, 0, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor indexRule2 = storeIndex( 1, 0, 1, PROVIDER_DESCRIPTOR );
StoreIndexDescriptor indexRule3 = storeIndex( 2, 1, 0, PROVIDER_DESCRIPTOR );
indexing.createIndexes( indexRule1, indexRule2, indexRule3 );
// THEN
verify( indexProvider ).getPopulator( eq( forSchema( forLabel( 0, 0 ), PROVIDER_DESCRIPTOR ).withId( 0 ) ),
any( IndexSamplingConfig.class ) );
verify( indexProvider ).getPopulator( eq( forSchema( forLabel( 0, 1 ), PROVIDER_DESCRIPTOR ).withId( 1 ) ),
any( IndexSamplingConfig.class ) );
verify( indexProvider ).getPopulator( eq( forSchema( forLabel( 1, 0 ), PROVIDER_DESCRIPTOR ).withId( 2 ) ),
any( IndexSamplingConfig.class ) );
waitForIndexesToComeOnline( indexing, 0, 1, 2 );
}
@Test
public void shouldStoreIndexFailureWhenFailingToCreateOnlineAccessorAfterPopulating() throws Exception
{
// given
long indexId = 1;
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData() );
IOException exception = new IOException( "Expected failure" );
when( nameLookup.labelGetName( labelId ) ).thenReturn( "TheLabel" );
when( nameLookup.propertyKeyGetName( propertyKeyId ) ).thenReturn( "propertyKey" );
when( indexProvider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) )
.thenThrow( exception );
life.start();
ArgumentCaptor<Boolean> closeArgs = ArgumentCaptor.forClass( Boolean.class );
// when
indexing.createIndexes( index.withId( indexId ) );
waitForIndexesToGetIntoState( indexing, InternalIndexState.FAILED, indexId );
verify( populator, timeout( 10000 ).times( 2 ) ).close( closeArgs.capture() );
// then
assertEquals( FAILED, indexing.getIndexProxy( 1 ).getState() );
assertEquals( asList( true, false ), closeArgs.getAllValues() );
assertThat( storedFailure(), containsString( format( "java.io.IOException: Expected failure%n\tat " ) ) );
logProvider.assertAtLeastOnce( inLog( IndexPopulationJob.class ).error( equalTo(
"Failed to populate index: [:TheLabel(propertyKey) [provider: {key=quantum-dex, version=25.0}]]" ),
causedBy( exception ) ) );
logProvider.assertNone( inLog( IndexPopulationJob.class ).info(
"Index population completed. Index is now online: [%s]",
":TheLabel(propertyKey) [provider: {key=quantum-dex, version=25.0}]" ) );
}
@Test
public void shouldStoreIndexFailureWhenFailingToCreateOnlineAccessorAfterRecoveringPopulatingIndex() throws Exception
{
// given
long indexId = 1;
StoreIndexDescriptor indexRule = index.withId( indexId );
IndexingService indexing = newIndexingServiceWithMockedDependencies( populator, accessor, withData(), indexRule );
IOException exception = new IOException( "Expected failure" );
when( nameLookup.labelGetName( labelId ) ).thenReturn( "TheLabel" );
when( nameLookup.propertyKeyGetName( propertyKeyId ) ).thenReturn( "propertyKey" );
when( indexProvider.getInitialState( indexRule ) ).thenReturn( POPULATING );
when( indexProvider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) )
.thenThrow( exception );
life.start();
ArgumentCaptor<Boolean> closeArgs = ArgumentCaptor.forClass( Boolean.class );
// when
waitForIndexesToGetIntoState( indexing, InternalIndexState.FAILED, indexId );
verify( populator, timeout( 10000 ).times( 2 ) ).close( closeArgs.capture() );
// then
assertEquals( FAILED, indexing.getIndexProxy( 1 ).getState() );
assertEquals( asList( true, false ), closeArgs.getAllValues() );
assertThat( storedFailure(), containsString( format( "java.io.IOException: Expected failure%n\tat " ) ) );
logProvider.assertAtLeastOnce( inLog( IndexPopulationJob.class ).error( equalTo(
"Failed to populate index: [:TheLabel(propertyKey) [provider: {key=quantum-dex, version=25.0}]]" ),
causedBy( exception ) ) );
logProvider.assertNone( inLog( IndexPopulationJob.class ).info(
"Index population completed. Index is now online: [%s]",
":TheLabel(propertyKey) [provider: {key=quantum-dex, version=25.0}]" ) );
}
@Test
public void shouldLogIndexStateOutliersOnInit() throws Exception
{
// given
IndexProvider provider = mock( IndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
IndexAccessor indexAccessor = mock( IndexAccessor.class );
when( provider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) )
.thenReturn( indexAccessor );
IndexProviderMap providerMap = new DefaultIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
List<StoreIndexDescriptor> indexes = new ArrayList<>();
int nextIndexId = 1;
StoreIndexDescriptor populatingIndex = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( populatingIndex ) ).thenReturn( POPULATING );
indexes.add( populatingIndex );
StoreIndexDescriptor failedIndex = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( failedIndex ) ).thenReturn( FAILED );
indexes.add( failedIndex );
for ( int i = 0; i < 10; i++ )
{
StoreIndexDescriptor indexRule = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( indexRule ) ).thenReturn( ONLINE );
indexes.add( indexRule );
}
for ( int i = 0; i < nextIndexId; i++ )
{
when( mockLookup.labelGetName( i ) ).thenReturn( "Label" + i );
}
life.add( IndexingServiceFactory.createIndexingService( Config.defaults(), mock( JobScheduler.class ), providerMap,
mock( IndexStoreView.class ), mockLookup, indexes, logProvider, IndexingService.NO_MONITOR,
schemaState ) );
when( mockLookup.propertyKeyGetName( 1 ) ).thenReturn( "prop" );
// when
life.init();
// then
logProvider.assertAtLeastOnce(
logMatch.info( "IndexingService.init: index 1 on :Label1(prop) is POPULATING" ),
logMatch.info( "IndexingService.init: index 2 on :Label2(prop) is FAILED" ),
logMatch.info( "IndexingService.init: indexes not specifically mentioned above are ONLINE" )
);
logProvider.assertNone( logMatch.info( "IndexingService.init: index 3 on :Label3(prop) is ONLINE" ) );
}
@Test
public void shouldLogIndexStateOutliersOnStart() throws Exception
{
// given
IndexProvider provider = mock( IndexProvider.class );
when( provider.getProviderDescriptor() ).thenReturn( PROVIDER_DESCRIPTOR );
IndexAccessor indexAccessor = mock( IndexAccessor.class );
when( provider.getOnlineAccessor( any( StoreIndexDescriptor.class ), any( IndexSamplingConfig.class ) ) )
.thenReturn( indexAccessor );
IndexProviderMap providerMap = new DefaultIndexProviderMap( provider );
TokenNameLookup mockLookup = mock( TokenNameLookup.class );
List<StoreIndexDescriptor> indexes = new ArrayList<>();
int nextIndexId = 1;
StoreIndexDescriptor populatingIndex = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( populatingIndex ) ).thenReturn( POPULATING );
indexes.add( populatingIndex );
StoreIndexDescriptor failedIndex = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( failedIndex ) ).thenReturn( FAILED );
indexes.add( failedIndex );
for ( int i = 0; i < 10; i++ )
{
StoreIndexDescriptor indexRule = storeIndex( nextIndexId, nextIndexId++, 1, PROVIDER_DESCRIPTOR );
when( provider.getInitialState( indexRule ) ).thenReturn( ONLINE );
indexes.add( indexRule );
}
for ( int i = 0; i < nextIndexId; i++ )
{
when( mockLookup.labelGetName( i ) ).thenReturn( "Label" + i );