Merge pull request #1403 from metamx/mergerMakerTests

Improvements around resource handling in IndexMerger / IndexIO / QueryableIndex
This commit is contained in:
Xavier Léauté 2015-06-04 15:59:10 -07:00
commit 395ba79f8b
9 changed files with 1293 additions and 72 deletions

View File

@ -466,11 +466,15 @@ public class IndexIO
public static void validateTwoSegments(File dir1, File dir2) throws IOException
{
try(QueryableIndex queryableIndex1 = loadIndex(dir1)) {
try(QueryableIndex queryableIndex2 = loadIndex(dir2)) {
validateTwoSegments(
new QueryableIndexIndexableAdapter(loadIndex(dir1)),
new QueryableIndexIndexableAdapter(loadIndex(dir2))
new QueryableIndexIndexableAdapter(queryableIndex1),
new QueryableIndexIndexableAdapter(queryableIndex2)
);
}
}
}
public static void validateTwoSegments(final IndexableAdapter adapter1, final IndexableAdapter adapter2)
{

View File

@ -333,7 +333,8 @@ public class IndexMaker
final File inDir, final File outDir, final IndexSpec indexSpec, final ProgressIndicator progress
) throws IOException
{
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(inDir));
try (QueryableIndex index = IndexIO.loadIndex(inDir)) {
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(index);
return makeIndexFiles(
ImmutableList.of(adapter),
outDir,
@ -352,6 +353,7 @@ public class IndexMaker
indexSpec
);
}
}
public static File append(
@ -842,6 +844,7 @@ public class IndexMaker
{
private final List<Integer> delegate;
private final boolean delegateHasNullAtZero;
NullsAtZeroConvertingIntList(List<Integer> delegate, final boolean delegateHasNullAtZero)
{
this.delegate = delegate;
@ -961,7 +964,10 @@ public class IndexMaker
if (input == null) {
return VSizeIndexedInts.fromList(ImmutableList.<Integer>of(0), dictionarySize);
} else {
return VSizeIndexedInts.fromList(new NullsAtZeroConvertingIntList(input, false), dictionarySize);
return VSizeIndexedInts.fromList(
new NullsAtZeroConvertingIntList(input, false),
dictionarySize
);
}
}
}

View File

@ -21,7 +21,6 @@ import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Function;
import com.google.common.base.Objects;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import com.google.common.collect.Iterators;
@ -337,6 +336,38 @@ public class IndexMerger
return makeIndexFiles(indexes, outDir, progress, mergedDimensions, mergedMetrics, rowMergerFn, indexSpec);
}
// Faster than IndexMaker
public static File convert(final File inDir, final File outDir, final IndexSpec indexSpec) throws IOException
{
return convert(inDir, outDir, indexSpec, new BaseProgressIndicator());
}
public static File convert(
final File inDir, final File outDir, final IndexSpec indexSpec, final ProgressIndicator progress
) throws IOException
{
try (QueryableIndex index = IndexIO.loadIndex(inDir)) {
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(index);
return makeIndexFiles(
ImmutableList.of(adapter),
outDir,
progress,
Lists.newArrayList(adapter.getDimensionNames()),
Lists.newArrayList(adapter.getMetricNames()),
new Function<ArrayList<Iterable<Rowboat>>, Iterable<Rowboat>>()
{
@Nullable
@Override
public Iterable<Rowboat> apply(ArrayList<Iterable<Rowboat>> input)
{
return input.get(0);
}
},
indexSpec
);
}
}
public static File append(
List<IndexableAdapter> indexes, File outDir, IndexSpec indexSpec
) throws IOException

View File

@ -21,11 +21,12 @@ import com.metamx.collections.bitmap.BitmapFactory;
import io.druid.segment.data.Indexed;
import org.joda.time.Interval;
import java.io.Closeable;
import java.io.IOException;
/**
*/
public interface QueryableIndex extends ColumnSelector
public interface QueryableIndex extends ColumnSelector, Closeable
{
public Interval getDataInterval();
public int getNumRows();
@ -37,6 +38,6 @@ public interface QueryableIndex extends ColumnSelector
* The close method shouldn't actually be here as this is nasty. We will adjust it in the future.
* @throws java.io.IOException if an exception was thrown closing the index
*/
@Deprecated
//@Deprecated // This is still required for SimpleQueryableIndex. It should not go away unitl SimpleQueryableIndex is fixed
public void close() throws IOException;
}

View File

@ -0,0 +1,103 @@
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package io.druid.segment;
import com.metamx.common.logger.Logger;
import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import java.io.Closeable;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
public class CloserRule implements TestRule
{
private final boolean throwException;
public CloserRule(boolean throwException)
{
this.throwException = throwException;
}
private static final Logger log = new Logger(CloserRule.class);
private final List<AutoCloseable> autoCloseables = new LinkedList<>();
@Override
public Statement apply(
final Statement base, Description description
)
{
return new Statement()
{
@Override
public void evaluate() throws Throwable
{
Throwable baseThrown = null;
try {
base.evaluate();
}
catch (Throwable e) {
baseThrown = e;
}
finally {
Throwable exception = null;
for (AutoCloseable autoCloseable : autoCloseables) {
try {
autoCloseable.close();
}
catch (Exception e) {
exception = suppressOrSet(exception, e);
}
}
autoCloseables.clear();
if (exception != null) {
if (throwException && baseThrown == null) {
throw exception;
} else if (baseThrown != null) {
baseThrown.addSuppressed(exception);
} else {
log.error(exception, "Exception closing resources");
}
}
if (baseThrown != null) {
throw baseThrown;
}
}
}
};
}
private static Throwable suppressOrSet(Throwable prior, Throwable other)
{
if (prior == null) {
prior = new IOException("Error closing resources");
}
prior.addSuppressed(other);
return prior;
}
public <T extends AutoCloseable> T closeLater(T autoCloseable)
{
autoCloseables.add(autoCloseable);
return autoCloseable;
}
}

View File

@ -0,0 +1,364 @@
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package io.druid.segment;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.util.concurrent.Runnables;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import javax.annotation.Nullable;
import java.io.Closeable;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;
public class CloserRuleTest
{
@Rule
public final CloserRule closer = new CloserRule(true);
@Test
public void testCloses() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final AtomicBoolean closed = new AtomicBoolean(false);
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
closed.set(true);
}
}
);
run(closer, Runnables.doNothing());
Assert.assertTrue(closed.get());
}
@Test
public void testAutoCloses() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final AtomicBoolean closed = new AtomicBoolean(false);
closer.closeLater(
new AutoCloseable()
{
@Override
public void close() throws Exception
{
closed.set(true);
}
}
);
run(closer, Runnables.doNothing());
Assert.assertTrue(closed.get());
}
@Test
public void testPreservesException() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final AtomicBoolean closed = new AtomicBoolean(false);
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
closed.set(true);
}
}
);
final String msg = "You can't divide by zero, you can only take the limit of such!";
Exception ex = null;
try {
run(
closer, new Runnable()
{
@Override
public void run()
{
throw new ArithmeticException(msg);
}
}
);
}
catch (Exception e) {
ex = e;
}
Assert.assertTrue(closed.get());
Assert.assertNotNull(ex);
Assert.assertTrue(ex instanceof ArithmeticException);
Assert.assertEquals(msg, ex.getMessage());
}
@Test
public void testAddsSuppressed() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final AtomicBoolean closed = new AtomicBoolean(false);
final String ioExceptionMsg = "You can't triple stamp a double stamp!";
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException(ioExceptionMsg);
}
}
);
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
closed.set(true);
}
}
);
final String msg = "You can't divide by zero, you can only take the limit of such!";
Throwable ex = null;
try {
run(
closer, new Runnable()
{
@Override
public void run()
{
throw new ArithmeticException(msg);
}
}
);
}
catch (Throwable e) {
ex = e;
}
Assert.assertTrue(closed.get());
Assert.assertNotNull(ex);
Assert.assertTrue(ex instanceof ArithmeticException);
Assert.assertEquals(msg, ex.getMessage());
Assert.assertEquals(
ImmutableList.of(ioExceptionMsg),
Lists.transform(
Arrays.asList(ex.getSuppressed()),
new Function<Throwable, String>()
{
@Nullable
@Override
public String apply(@Nullable Throwable input)
{
if (input == null) {
return null;
}
return input.getSuppressed()[0].getMessage();
}
}
)
);
}
@Test
public void testThrowsCloseException()
{
final CloserRule closer = new CloserRule(true);
final String ioExceptionMsg = "You can't triple stamp a double stamp!";
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException(ioExceptionMsg);
}
}
);
Throwable ex = null;
try {
run(closer, Runnables.doNothing());
}
catch (Throwable throwable) {
ex = throwable;
}
Assert.assertNotNull(ex);
ex = ex.getSuppressed()[0];
Assert.assertNotNull(ex);
Assert.assertTrue(ex instanceof IOException);
Assert.assertEquals(ioExceptionMsg, ex.getMessage());
}
@Test
public void testJustLogs() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final String ioExceptionMsg = "You can't triple stamp a double stamp!";
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException(ioExceptionMsg);
}
}
);
run(closer, Runnables.doNothing());
}
@Test
public void testJustLogsAnything() throws Throwable
{
final CloserRule closer = new CloserRule(false);
final String ioExceptionMsg = "You can't triple stamp a double stamp!";
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException(ioExceptionMsg);
}
}
);
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException(ioExceptionMsg);
}
}
);
closer.closeLater(
new AutoCloseable()
{
@Override
public void close() throws Exception
{
throw new IOException(ioExceptionMsg);
}
}
);
run(closer, Runnables.doNothing());
}
@Test
public void testClosesEverything()
{
final AtomicLong counter = new AtomicLong(0L);
final CloserRule closer = new CloserRule(true);
final String ioExceptionMsg = "You can't triple stamp a double stamp!";
final List<IOException> ioExceptions = Arrays.<IOException>asList(
new IOException(ioExceptionMsg),
null,
new IOException(ioExceptionMsg),
null,
new IOException(ioExceptionMsg),
null
);
for(final IOException throwable : ioExceptions){
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
counter.incrementAndGet();
if(throwable != null){
throw throwable;
}
}
}
);
}
for(final IOException throwable : ioExceptions){
closer.closeLater(
new AutoCloseable()
{
@Override
public void close() throws Exception
{
counter.incrementAndGet();
if(throwable != null){
throw throwable;
}
}
}
);
}
Throwable ex = null;
try {
run(closer, Runnables.doNothing());
}catch (Throwable throwable) {
ex = throwable;
}
Assert.assertNotNull(ex);
Assert.assertEquals(ioExceptions.size() * 2, counter.get());
Assert.assertEquals(ioExceptions.size(), ex.getSuppressed().length);
}
@Ignore // This one doesn't quite work right, it will throw the IOException, but JUnit doesn't detect it properly and treats it as suppressed instead
@Test(expected = IOException.class)
public void testCloserException()
{
closer.closeLater(
new Closeable()
{
@Override
public void close() throws IOException
{
throw new IOException("This is a test");
}
}
);
}
private void run(CloserRule closer, final Runnable runnable) throws Throwable
{
closer.apply(
new Statement()
{
@Override
public void evaluate() throws Throwable
{
runnable.run();
}
}, Description.createTestDescription(
CloserRuleTest.class.getCanonicalName(), "baseRunner", UUID.randomUUID()
)
).evaluate();
}
}

View File

@ -0,0 +1,554 @@
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package io.druid.segment;
import com.google.common.base.Function;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import io.druid.data.input.MapBasedInputRow;
import io.druid.granularity.QueryGranularity;
import io.druid.query.aggregation.AggregatorFactory;
import io.druid.query.aggregation.CountAggregatorFactory;
import io.druid.segment.column.Column;
import io.druid.segment.column.SimpleDictionaryEncodedColumn;
import io.druid.segment.data.BitmapSerdeFactory;
import io.druid.segment.data.CompressedObjectStrategy;
import io.druid.segment.data.ConciseBitmapSerdeFactory;
import io.druid.segment.data.IncrementalIndexTest;
import io.druid.segment.data.RoaringBitmapSerdeFactory;
import io.druid.segment.incremental.IncrementalIndex;
import io.druid.segment.incremental.IncrementalIndexAdapter;
import io.druid.segment.incremental.OnheapIncrementalIndex;
import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import javax.annotation.Nullable;
import java.io.File;
import java.lang.reflect.Field;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
@RunWith(Parameterized.class)
public class IndexMakerParameterizedTest
{
@Rule
public final TemporaryFolder temporaryFolder = new TemporaryFolder();
@Rule
public final CloserRule closer = new CloserRule(false);
@Parameterized.Parameters(name = "{index}: bitmap={0}, metric compression={1}, dimension compression={2}")
public static Collection<Object[]> data()
{
return Collections2.transform(
Sets.cartesianProduct(
ImmutableList.of(
ImmutableSet.of(new RoaringBitmapSerdeFactory(), new ConciseBitmapSerdeFactory()),
ImmutableSet.of(
CompressedObjectStrategy.CompressionStrategy.LZ4,
CompressedObjectStrategy.CompressionStrategy.LZF
),
ImmutableSet.of(
CompressedObjectStrategy.CompressionStrategy.LZ4,
CompressedObjectStrategy.CompressionStrategy.LZF
)
)
), new Function<List<?>, Object[]>()
{
@Nullable
@Override
public Object[] apply(List<?> input)
{
return input.toArray();
}
}
);
}
static IndexSpec makeIndexSpec(
BitmapSerdeFactory bitmapSerdeFactory,
CompressedObjectStrategy.CompressionStrategy compressionStrategy,
CompressedObjectStrategy.CompressionStrategy dimCompressionStrategy
)
{
if (bitmapSerdeFactory != null || compressionStrategy != null) {
return new IndexSpec(
bitmapSerdeFactory,
compressionStrategy.name().toLowerCase(),
dimCompressionStrategy.name().toLowerCase()
);
} else {
return new IndexSpec();
}
}
private final IndexSpec indexSpec;
public IndexMakerParameterizedTest(
BitmapSerdeFactory bitmapSerdeFactory,
CompressedObjectStrategy.CompressionStrategy compressionStrategy,
CompressedObjectStrategy.CompressionStrategy dimCompressionStrategy
)
{
this.indexSpec = makeIndexSpec(bitmapSerdeFactory, compressionStrategy, dimCompressionStrategy);
}
@Test
public void testPersist() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist);
final File tempDir = temporaryFolder.newFolder();
QueryableIndex index = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist, tempDir, indexSpec)));
Assert.assertEquals(2, index.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index.getAvailableDimensions()));
Assert.assertEquals(3, index.getColumnNames().size());
assertDimCompression(index, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testPersistMerge() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
IncrementalIndex toPersist2 = new OnheapIncrementalIndex(
0L,
QueryGranularity.NONE,
new AggregatorFactory[]{new CountAggregatorFactory("count")},
1000
);
toPersist2.add(
new MapBasedInputRow(
timestamp,
Arrays.asList("dim1", "dim2"),
ImmutableMap.<String, Object>of("dim1", "1", "dim2", "2")
)
);
toPersist2.add(
new MapBasedInputRow(
timestamp,
Arrays.asList("dim1", "dim2"),
ImmutableMap.<String, Object>of("dim1", "5", "dim2", "6")
)
);
final File tempDir1 = temporaryFolder.newFolder();
final File tempDir2 = temporaryFolder.newFolder();
final File mergedDir = temporaryFolder.newFolder();
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist1, tempDir1, indexSpec)));
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex index2 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist2, tempDir2, indexSpec)));
Assert.assertEquals(2, index2.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index2.getAvailableDimensions()));
Assert.assertEquals(3, index2.getColumnNames().size());
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.mergeQueryableIndex(
Arrays.asList(index1, index2),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(3, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(merged.getAvailableDimensions()));
Assert.assertEquals(3, merged.getColumnNames().size());
assertDimCompression(index2, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(merged, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testPersistEmptyColumn() throws Exception
{
final IncrementalIndex toPersist1 = new OnheapIncrementalIndex(
0L,
QueryGranularity.NONE,
new AggregatorFactory[]{},
10
);
final IncrementalIndex toPersist2 = new OnheapIncrementalIndex(
0L,
QueryGranularity.NONE,
new AggregatorFactory[]{},
10
);
final File tmpDir1 = temporaryFolder.newFolder();
final File tmpDir2 = temporaryFolder.newFolder();
final File tmpDir3 = temporaryFolder.newFolder();
toPersist1.add(
new MapBasedInputRow(
1L,
ImmutableList.of("dim1", "dim2"),
ImmutableMap.<String, Object>of("dim1", ImmutableList.of(), "dim2", "foo")
)
);
toPersist2.add(
new MapBasedInputRow(
1L,
ImmutableList.of("dim1", "dim2"),
ImmutableMap.<String, Object>of("dim1", ImmutableList.of(), "dim2", "bar")
)
);
final QueryableIndex index1 = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.persist(
toPersist1,
tmpDir1,
indexSpec
)
)
);
final QueryableIndex index2 = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.persist(
toPersist1,
tmpDir2,
indexSpec
)
)
);
final QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.mergeQueryableIndex(Arrays.asList(index1, index2), new AggregatorFactory[]{}, tmpDir3, indexSpec)
)
);
Assert.assertEquals(1, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(ImmutableList.of("dim2"), ImmutableList.copyOf(index1.getAvailableDimensions()));
Assert.assertEquals(1, index2.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(ImmutableList.of("dim2"), ImmutableList.copyOf(index2.getAvailableDimensions()));
Assert.assertEquals(1, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(ImmutableList.of("dim2"), ImmutableList.copyOf(merged.getAvailableDimensions()));
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(index2, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(merged, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testMergeRetainsValues() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File mergedDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(merged.getAvailableDimensions()));
Assert.assertEquals(3, merged.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, mergedDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(merged, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testAppendRetainsValues() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File mergedDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.append(
ImmutableList.<IndexableAdapter>of(incrementalAdapter), tempDir1, indexSpec
)
)
);
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(merged.getAvailableDimensions()));
Assert.assertEquals(3, merged.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, mergedDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(merged, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testMergeSpecChange() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File mergedDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
IndexSpec newSpec = new IndexSpec(
indexSpec.getBitmapSerdeFactory(),
"lz4".equals(indexSpec.getDimensionCompression()) ? "lzf" : "lz4",
"lz4".equals(indexSpec.getMetricCompression()) ? "lzf" : "lz4"
);
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
newSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(merged.getAvailableDimensions()));
Assert.assertEquals(3, merged.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, mergedDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(merged, newSpec.getDimensionCompressionStrategy());
}
@Test
public void testConvertSame() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File convertDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex converted = closer.closeLater(
IndexIO.loadIndex(
IndexMaker.convert(
tempDir1,
convertDir,
indexSpec
)
)
);
Assert.assertEquals(2, converted.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(converted.getAvailableDimensions()));
Assert.assertEquals(3, converted.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, convertDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(converted, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testConvertDifferent() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(true, null);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File convertDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMaker.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
IndexSpec newSpec = new IndexSpec(
indexSpec.getBitmapSerdeFactory(),
"lz4".equals(indexSpec.getDimensionCompression()) ? "lzf" : "lz4",
"lz4".equals(indexSpec.getMetricCompression()) ? "lzf" : "lz4"
);
QueryableIndex converted = closer.closeLater(IndexIO.loadIndex(IndexMaker.convert(tempDir1, convertDir, newSpec)));
Assert.assertEquals(2, converted.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(converted.getAvailableDimensions()));
Assert.assertEquals(3, converted.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, convertDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(converted, newSpec.getDimensionCompressionStrategy());
}
private void assertDimCompression(QueryableIndex index, CompressedObjectStrategy.CompressionStrategy expectedStrategy)
throws Exception
{
// Java voodoo
Object encodedColumn = index.getColumn("dim2").getDictionaryEncoding();
Field field = SimpleDictionaryEncodedColumn.class.getDeclaredField("column");
field.setAccessible(true);
Object obj = field.get(encodedColumn);
Field compressedSupplierField = obj.getClass().getDeclaredField("this$0");
compressedSupplierField.setAccessible(true);
Object supplier = compressedSupplierField.get(obj);
Field compressionField = supplier.getClass().getDeclaredField("compression");
compressionField.setAccessible(true);
Object strategy = compressionField.get(supplier);
Assert.assertEquals(expectedStrategy, strategy);
}
}

View File

@ -40,6 +40,7 @@ import org.joda.time.DateTime;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
@ -58,6 +59,8 @@ import java.util.Map;
@RunWith(Parameterized.class)
public class IndexMakerTest
{
@Rule
public final CloserRule closer = new CloserRule(false);
private static final long TIMESTAMP = DateTime.parse("2014-01-01").getMillis();
private static final AggregatorFactory[] DEFAULT_AGG_FACTORIES = new AggregatorFactory[]{
new CountAggregatorFactory(
@ -179,7 +182,7 @@ public class IndexMakerTest
@Test
public void testSimpleReprocess() throws IOException
{
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(persistTmpDir));
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(persistTmpDir)));
Assert.assertEquals(events.size(), adapter.getNumRows());
reprocessAndValidate(persistTmpDir, new File(tmpDir, "reprocessed"));
}
@ -198,7 +201,7 @@ public class IndexMakerTest
private File appendAndValidate(File inDir, File tmpDir) throws IOException
{
final File outDir = IndexMerger.append(
ImmutableList.<IndexableAdapter>of(new QueryableIndexIndexableAdapter(IndexIO.loadIndex(inDir))),
ImmutableList.<IndexableAdapter>of(new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(inDir)))),
tmpDir,
INDEX_SPEC
);
@ -209,18 +212,18 @@ public class IndexMakerTest
@Test
public void testIdempotentReprocess() throws IOException
{
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(persistTmpDir));
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(persistTmpDir)));
Assert.assertEquals(events.size(), adapter.getNumRows());
final File tmpDir1 = new File(tmpDir, "reprocessed1");
reprocessAndValidate(persistTmpDir, tmpDir1);
final File tmpDir2 = new File(tmpDir, "reprocessed2");
final IndexableAdapter adapter2 = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(tmpDir1));
final IndexableAdapter adapter2 = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(tmpDir1)));
Assert.assertEquals(events.size(), adapter2.getNumRows());
reprocessAndValidate(tmpDir1, tmpDir2);
final File tmpDir3 = new File(tmpDir, "reprocessed3");
final IndexableAdapter adapter3 = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(tmpDir2));
final IndexableAdapter adapter3 = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(tmpDir2)));
Assert.assertEquals(events.size(), adapter3.getNumRows());
reprocessAndValidate(tmpDir2, tmpDir3);
}
@ -228,7 +231,7 @@ public class IndexMakerTest
@Test
public void testSimpleAppend() throws IOException
{
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(persistTmpDir));
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(persistTmpDir)));
Assert.assertEquals(events.size(), adapter.getNumRows());
appendAndValidate(persistTmpDir, new File(tmpDir, "reprocessed"));
}
@ -236,18 +239,18 @@ public class IndexMakerTest
@Test
public void testIdempotentAppend() throws IOException
{
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(persistTmpDir));
final IndexableAdapter adapter = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(persistTmpDir)));
Assert.assertEquals(events.size(), adapter.getNumRows());
final File tmpDir1 = new File(tmpDir, "reprocessed1");
appendAndValidate(persistTmpDir, tmpDir1);
final File tmpDir2 = new File(tmpDir, "reprocessed2");
final IndexableAdapter adapter2 = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(tmpDir1));
final IndexableAdapter adapter2 = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(tmpDir1)));
Assert.assertEquals(events.size(), adapter2.getNumRows());
appendAndValidate(tmpDir1, tmpDir2);
final File tmpDir3 = new File(tmpDir, "reprocessed3");
final IndexableAdapter adapter3 = new QueryableIndexIndexableAdapter(IndexIO.loadIndex(tmpDir2));
final IndexableAdapter adapter3 = new QueryableIndexIndexableAdapter(closer.closeLater(IndexIO.loadIndex(tmpDir2)));
Assert.assertEquals(events.size(), adapter3.getNumRows());
appendAndValidate(tmpDir2, tmpDir3);
}

View File

@ -28,6 +28,7 @@ import io.druid.data.input.MapBasedInputRow;
import io.druid.granularity.QueryGranularity;
import io.druid.query.aggregation.AggregatorFactory;
import io.druid.query.aggregation.CountAggregatorFactory;
import io.druid.query.aggregation.LongSumAggregatorFactory;
import io.druid.segment.column.Column;
import io.druid.segment.column.SimpleDictionaryEncodedColumn;
import io.druid.segment.data.BitmapSerdeFactory;
@ -104,6 +105,8 @@ public class IndexMergerTest
}
private final IndexSpec indexSpec;
@Rule
public final CloserRule closer = new CloserRule(false);
public IndexMergerTest(
BitmapSerdeFactory bitmapSerdeFactory,
@ -123,7 +126,7 @@ public class IndexMergerTest
IncrementalIndexTest.populateIndex(timestamp, toPersist);
final File tempDir = temporaryFolder.newFolder();
QueryableIndex index = IndexIO.loadIndex(IndexMerger.persist(toPersist, tempDir, indexSpec));
QueryableIndex index = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist, tempDir, indexSpec)));
Assert.assertEquals(2, index.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index.getAvailableDimensions()));
@ -166,25 +169,27 @@ public class IndexMergerTest
final File tempDir2 = temporaryFolder.newFolder();
final File mergedDir = temporaryFolder.newFolder();
QueryableIndex index1 = IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec));
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec)));
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex index2 = IndexIO.loadIndex(IndexMerger.persist(toPersist2, tempDir2, indexSpec));
QueryableIndex index2 = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist2, tempDir2, indexSpec)));
Assert.assertEquals(2, index2.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index2.getAvailableDimensions()));
Assert.assertEquals(3, index2.getColumnNames().size());
QueryableIndex merged = IndexIO.loadIndex(
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(
Arrays.asList(index1, index2),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(3, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
@ -230,10 +235,33 @@ public class IndexMergerTest
)
);
final QueryableIndex index1 = IndexIO.loadIndex(IndexMerger.persist(toPersist1, tmpDir1, indexSpec));
final QueryableIndex index2 = IndexIO.loadIndex(IndexMerger.persist(toPersist1, tmpDir2, indexSpec));
final QueryableIndex merged = IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(Arrays.asList(index1, index2), new AggregatorFactory[]{}, tmpDir3, indexSpec)
final QueryableIndex index1 = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.persist(
toPersist1,
tmpDir1,
indexSpec
)
)
);
final QueryableIndex index2 = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.persist(
toPersist1,
tmpDir2,
indexSpec
)
)
);
final QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(
Arrays.asList(index1, index2),
new AggregatorFactory[]{},
tmpDir3,
indexSpec
)
)
);
Assert.assertEquals(1, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
@ -266,7 +294,7 @@ public class IndexMergerTest
.getBitmapFactory()
);
QueryableIndex index1 = IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec));
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
@ -278,13 +306,15 @@ public class IndexMergerTest
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex merged = IndexIO.loadIndex(
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
@ -314,10 +344,12 @@ public class IndexMergerTest
.getBitmapFactory()
);
QueryableIndex index1 = IndexIO.loadIndex(
QueryableIndex index1 = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.append(
ImmutableList.<IndexableAdapter>of(incrementalAdapter), tempDir1, indexSpec
)
)
);
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
@ -328,13 +360,15 @@ public class IndexMergerTest
Assert.assertEquals(3, index1.getColumnNames().size());
QueryableIndex merged = IndexIO.loadIndex(
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
indexSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
@ -363,7 +397,7 @@ public class IndexMergerTest
.getBitmapFactory()
);
QueryableIndex index1 = IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec));
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
@ -375,16 +409,22 @@ public class IndexMergerTest
Assert.assertEquals(3, index1.getColumnNames().size());
IndexSpec newSpec = new IndexSpec(indexSpec.getBitmapSerdeFactory(), "lz4".equals(indexSpec.getDimensionCompression()) ? "lzf" : "lz4", "lz4".equals(indexSpec.getMetricCompression()) ? "lzf" : "lz4");
IndexSpec newSpec = new IndexSpec(
indexSpec.getBitmapSerdeFactory(),
"lz4".equals(indexSpec.getDimensionCompression()) ? "lzf" : "lz4",
"lz4".equals(indexSpec.getMetricCompression()) ? "lzf" : "lz4"
);
QueryableIndex merged = IndexIO.loadIndex(
QueryableIndex merged = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.mergeQueryableIndex(
ImmutableList.of(index1),
new AggregatorFactory[]{new CountAggregatorFactory("count")},
mergedDir,
newSpec
)
)
);
Assert.assertEquals(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
@ -397,7 +437,122 @@ public class IndexMergerTest
assertDimCompression(merged, newSpec.getDimensionCompressionStrategy());
}
private void assertDimCompression(QueryableIndex index, CompressedObjectStrategy.CompressionStrategy expectedStrategy) throws Exception
@Test
public void testConvertSame() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(
true,
new AggregatorFactory[]{
new LongSumAggregatorFactory(
"longSum1",
"dim1"
),
new LongSumAggregatorFactory("longSum2", "dim2")
}
);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File convertDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(
IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec))
);
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(4, index1.getColumnNames().size());
QueryableIndex converted = closer.closeLater(
IndexIO.loadIndex(
IndexMerger.convert(
tempDir1,
convertDir,
indexSpec
)
)
);
Assert.assertEquals(2, converted.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(converted.getAvailableDimensions()));
Assert.assertEquals(4, converted.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, convertDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(converted, indexSpec.getDimensionCompressionStrategy());
}
@Test
public void testConvertDifferent() throws Exception
{
final long timestamp = System.currentTimeMillis();
IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(
true, new AggregatorFactory[]{
new LongSumAggregatorFactory(
"longSum1",
"dim1"
),
new LongSumAggregatorFactory("longSum2", "dim2")
}
);
IncrementalIndexTest.populateIndex(timestamp, toPersist1);
final File tempDir1 = temporaryFolder.newFolder();
final File convertDir = temporaryFolder.newFolder();
final IndexableAdapter incrementalAdapter = new IncrementalIndexAdapter(
toPersist1.getInterval(),
toPersist1,
indexSpec.getBitmapSerdeFactory()
.getBitmapFactory()
);
QueryableIndex index1 = closer.closeLater(IndexIO.loadIndex(IndexMerger.persist(toPersist1, tempDir1, indexSpec)));
final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
IndexIO.DefaultIndexIOHandler.validateTwoSegments(incrementalAdapter, queryableAdapter);
Assert.assertEquals(2, index1.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(index1.getAvailableDimensions()));
Assert.assertEquals(4, index1.getColumnNames().size());
IndexSpec newSpec = new IndexSpec(
indexSpec.getBitmapSerdeFactory(),
"lz4".equals(indexSpec.getDimensionCompression()) ? "lzf" : "lz4",
"lz4".equals(indexSpec.getMetricCompression()) ? "lzf" : "lz4"
);
QueryableIndex converted = closer.closeLater(IndexIO.loadIndex(IndexMerger.convert(tempDir1, convertDir, newSpec)));
Assert.assertEquals(2, converted.getColumn(Column.TIME_COLUMN_NAME).getLength());
Assert.assertEquals(Arrays.asList("dim1", "dim2"), Lists.newArrayList(converted.getAvailableDimensions()));
Assert.assertEquals(4, converted.getColumnNames().size());
IndexIO.DefaultIndexIOHandler.validateTwoSegments(tempDir1, convertDir);
assertDimCompression(index1, indexSpec.getDimensionCompressionStrategy());
assertDimCompression(converted, newSpec.getDimensionCompressionStrategy());
}
private void assertDimCompression(QueryableIndex index, CompressedObjectStrategy.CompressionStrategy expectedStrategy)
throws Exception
{
// Java voodoo