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Example 26 with IncrementalIndex

use of io.druid.segment.incremental.IncrementalIndex in project druid by druid-io.

the class IndexMergerTest method testMergeWithDimensionsList.

@Test
public void testMergeWithDimensionsList() throws Exception {
    IncrementalIndexSchema schema = new IncrementalIndexSchema.Builder().withDimensionsSpec(new DimensionsSpec(DimensionsSpec.getDefaultSchemas(Arrays.asList("dimA", "dimB", "dimC")), null, null)).withMinTimestamp(0L).withQueryGranularity(Granularities.NONE).withMetrics(new AggregatorFactory[] { new CountAggregatorFactory("count") }).build();
    IncrementalIndex toPersist1 = new OnheapIncrementalIndex(schema, true, 1000);
    IncrementalIndex toPersist2 = new OnheapIncrementalIndex(schema, true, 1000);
    IncrementalIndex toPersist3 = new OnheapIncrementalIndex(schema, true, 1000);
    addDimValuesToIndex(toPersist1, "dimA", Arrays.asList("1", "2"));
    addDimValuesToIndex(toPersist2, "dimA", Arrays.asList("1", "2"));
    addDimValuesToIndex(toPersist3, "dimC", Arrays.asList("1", "2"));
    final File tmpDir = temporaryFolder.newFolder();
    final File tmpDir2 = temporaryFolder.newFolder();
    final File tmpDir3 = temporaryFolder.newFolder();
    final File tmpDirMerged = temporaryFolder.newFolder();
    QueryableIndex index1 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist1, tmpDir, indexSpec)));
    QueryableIndex index2 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist2, tmpDir2, indexSpec)));
    QueryableIndex index3 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist3, tmpDir3, indexSpec)));
    final QueryableIndex merged = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.mergeQueryableIndex(Arrays.asList(index1, index2, index3), true, new AggregatorFactory[] { new CountAggregatorFactory("count") }, tmpDirMerged, indexSpec)));
    final QueryableIndexIndexableAdapter adapter = new QueryableIndexIndexableAdapter(merged);
    final List<Rowboat> boatList = ImmutableList.copyOf(adapter.getRows());
    Assert.assertEquals(ImmutableList.of("dimA", "dimC"), ImmutableList.copyOf(adapter.getDimensionNames()));
    Assert.assertEquals(4, boatList.size());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 1 } }, boatList.get(0).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList.get(0).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 2 } }, boatList.get(1).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList.get(1).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 1 }, { 0 } }, boatList.get(2).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList.get(2).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 2 }, { 0 } }, boatList.get(3).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList.get(3).getMetrics());
    checkBitmapIndex(Lists.newArrayList(0, 1), adapter.getBitmapIndex("dimA", ""));
    checkBitmapIndex(Lists.newArrayList(2), adapter.getBitmapIndex("dimA", "1"));
    checkBitmapIndex(Lists.newArrayList(3), adapter.getBitmapIndex("dimA", "2"));
    checkBitmapIndex(new ArrayList<Integer>(), adapter.getBitmapIndex("dimB", ""));
    checkBitmapIndex(Lists.newArrayList(2, 3), adapter.getBitmapIndex("dimC", ""));
    checkBitmapIndex(Lists.newArrayList(0), adapter.getBitmapIndex("dimC", "1"));
    checkBitmapIndex(Lists.newArrayList(1), adapter.getBitmapIndex("dimC", "2"));
}
Also used : IncrementalIndex(io.druid.segment.incremental.IncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) CountAggregatorFactory(io.druid.query.aggregation.CountAggregatorFactory) AggregatorFactory(io.druid.query.aggregation.AggregatorFactory) LongSumAggregatorFactory(io.druid.query.aggregation.LongSumAggregatorFactory) CountAggregatorFactory(io.druid.query.aggregation.CountAggregatorFactory) DimensionsSpec(io.druid.data.input.impl.DimensionsSpec) File(java.io.File) IncrementalIndexSchema(io.druid.segment.incremental.IncrementalIndexSchema) IncrementalIndexTest(io.druid.segment.data.IncrementalIndexTest) Test(org.junit.Test)

Example 27 with IncrementalIndex

use of io.druid.segment.incremental.IncrementalIndex in project druid by druid-io.

the class IndexMergerTest method testConvertDifferent.

@Test
public void testConvertDifferent() throws Exception {
    final long timestamp = System.currentTimeMillis();
    final AggregatorFactory[] aggregators = new AggregatorFactory[] { new LongSumAggregatorFactory("longSum1", "dim1"), new LongSumAggregatorFactory("longSum2", "dim2") };
    IncrementalIndex toPersist1 = IncrementalIndexTest.createIndex(aggregators);
    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(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist1, tempDir1, indexSpec)));
    final IndexableAdapter queryableAdapter = new QueryableIndexIndexableAdapter(index1);
    INDEX_IO.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(), CompressedObjectStrategy.CompressionStrategy.LZ4.equals(indexSpec.getDimensionCompression()) ? CompressedObjectStrategy.CompressionStrategy.LZF : CompressedObjectStrategy.CompressionStrategy.LZ4, CompressedObjectStrategy.CompressionStrategy.LZ4.equals(indexSpec.getDimensionCompression()) ? CompressedObjectStrategy.CompressionStrategy.LZF : CompressedObjectStrategy.CompressionStrategy.LZ4, CompressionFactory.LongEncodingStrategy.LONGS.equals(indexSpec.getLongEncoding()) ? CompressionFactory.LongEncodingStrategy.AUTO : CompressionFactory.LongEncodingStrategy.LONGS);
    QueryableIndex converted = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.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());
    INDEX_IO.validateTwoSegments(tempDir1, convertDir);
    assertDimCompression(index1, indexSpec.getDimensionCompression());
    assertDimCompression(converted, newSpec.getDimensionCompression());
    Assert.assertArrayEquals(getCombiningAggregators(aggregators), converted.getMetadata().getAggregators());
}
Also used : IncrementalIndexAdapter(io.druid.segment.incremental.IncrementalIndexAdapter) IncrementalIndex(io.druid.segment.incremental.IncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) LongSumAggregatorFactory(io.druid.query.aggregation.LongSumAggregatorFactory) CountAggregatorFactory(io.druid.query.aggregation.CountAggregatorFactory) AggregatorFactory(io.druid.query.aggregation.AggregatorFactory) LongSumAggregatorFactory(io.druid.query.aggregation.LongSumAggregatorFactory) File(java.io.File) IncrementalIndexTest(io.druid.segment.data.IncrementalIndexTest) Test(org.junit.Test)

Example 28 with IncrementalIndex

use of io.druid.segment.incremental.IncrementalIndex in project druid by druid-io.

the class IndexMergerTest method testMergeWithSupersetOrdering.

@Test
public void testMergeWithSupersetOrdering() throws Exception {
    IncrementalIndex toPersistA = getSingleDimIndex("dimA", Arrays.asList("1", "2"));
    IncrementalIndex toPersistB = getSingleDimIndex("dimB", Arrays.asList("1", "2", "3"));
    IncrementalIndex toPersistBA = getSingleDimIndex("dimB", Arrays.asList("1", "2", "3"));
    addDimValuesToIndex(toPersistBA, "dimA", Arrays.asList("1", "2"));
    IncrementalIndex toPersistBA2 = new OnheapIncrementalIndex(0L, Granularities.NONE, new AggregatorFactory[] { new CountAggregatorFactory("count") }, 1000);
    toPersistBA2.add(new MapBasedInputRow(1, Arrays.asList("dimB", "dimA"), ImmutableMap.<String, Object>of("dimB", "1", "dimA", "")));
    toPersistBA2.add(new MapBasedInputRow(1, Arrays.asList("dimB", "dimA"), ImmutableMap.<String, Object>of("dimB", "", "dimA", "1")));
    IncrementalIndex toPersistC = getSingleDimIndex("dimA", Arrays.asList("1", "2"));
    addDimValuesToIndex(toPersistC, "dimC", Arrays.asList("1", "2", "3"));
    final File tmpDirA = temporaryFolder.newFolder();
    final File tmpDirB = temporaryFolder.newFolder();
    final File tmpDirBA = temporaryFolder.newFolder();
    final File tmpDirBA2 = temporaryFolder.newFolder();
    final File tmpDirC = temporaryFolder.newFolder();
    final File tmpDirMerged = temporaryFolder.newFolder();
    final File tmpDirMerged2 = temporaryFolder.newFolder();
    QueryableIndex indexA = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersistA, tmpDirA, indexSpec)));
    QueryableIndex indexB = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersistB, tmpDirB, indexSpec)));
    QueryableIndex indexBA = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersistBA, tmpDirBA, indexSpec)));
    QueryableIndex indexBA2 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersistBA2, tmpDirBA2, indexSpec)));
    QueryableIndex indexC = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersistC, tmpDirC, indexSpec)));
    final QueryableIndex merged = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.mergeQueryableIndex(Arrays.asList(indexA, indexB, indexBA, indexBA2), true, new AggregatorFactory[] { new CountAggregatorFactory("count") }, tmpDirMerged, indexSpec)));
    final QueryableIndex merged2 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.mergeQueryableIndex(Arrays.asList(indexA, indexB, indexBA, indexC), true, new AggregatorFactory[] { new CountAggregatorFactory("count") }, tmpDirMerged2, indexSpec)));
    final QueryableIndexIndexableAdapter adapter = new QueryableIndexIndexableAdapter(merged);
    final List<Rowboat> boatList = ImmutableList.copyOf(adapter.getRows());
    final QueryableIndexIndexableAdapter adapter2 = new QueryableIndexIndexableAdapter(merged2);
    final List<Rowboat> boatList2 = ImmutableList.copyOf(adapter2.getRows());
    Assert.assertEquals(ImmutableList.of("dimB", "dimA"), ImmutableList.copyOf(adapter.getDimensionNames()));
    Assert.assertEquals(5, boatList.size());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 1 } }, boatList.get(0).getDims());
    Assert.assertArrayEquals(new Object[] { 3L }, boatList.get(0).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 2 } }, boatList.get(1).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList.get(1).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 1 }, { 0 } }, boatList.get(2).getDims());
    Assert.assertArrayEquals(new Object[] { 3L }, boatList.get(2).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 2 }, { 0 } }, boatList.get(3).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList.get(3).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 3 }, { 0 } }, boatList.get(4).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList.get(4).getMetrics());
    checkBitmapIndex(Lists.newArrayList(2, 3, 4), adapter.getBitmapIndex("dimA", ""));
    checkBitmapIndex(Lists.newArrayList(0), adapter.getBitmapIndex("dimA", "1"));
    checkBitmapIndex(Lists.newArrayList(1), adapter.getBitmapIndex("dimA", "2"));
    checkBitmapIndex(Lists.newArrayList(0, 1), adapter.getBitmapIndex("dimB", ""));
    checkBitmapIndex(Lists.newArrayList(2), adapter.getBitmapIndex("dimB", "1"));
    checkBitmapIndex(Lists.newArrayList(3), adapter.getBitmapIndex("dimB", "2"));
    checkBitmapIndex(Lists.newArrayList(4), adapter.getBitmapIndex("dimB", "3"));
    Assert.assertEquals(ImmutableList.of("dimA", "dimB", "dimC"), ImmutableList.copyOf(adapter2.getDimensionNames()));
    Assert.assertEquals(12, boatList2.size());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 0 }, { 1 } }, boatList2.get(0).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(0).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 0 }, { 2 } }, boatList2.get(1).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(1).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 0 }, { 3 } }, boatList2.get(2).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(2).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 1 }, { 0 } }, boatList2.get(3).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(3).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 2 }, { 0 } }, boatList2.get(4).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(4).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 3 }, { 0 } }, boatList2.get(5).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(5).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 1 }, { 0 }, { 0 } }, boatList2.get(6).getDims());
    Assert.assertArrayEquals(new Object[] { 3L }, boatList2.get(6).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 2 }, { 0 }, { 0 } }, boatList2.get(7).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(7).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 1 }, { 0 } }, boatList2.get(8).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(8).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 2 }, { 0 } }, boatList2.get(9).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(9).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 0 }, { 3 }, { 0 } }, boatList2.get(10).getDims());
    Assert.assertArrayEquals(new Object[] { 1L }, boatList2.get(10).getMetrics());
    Assert.assertArrayEquals(new int[][] { { 2 }, { 0 }, { 0 } }, boatList2.get(11).getDims());
    Assert.assertArrayEquals(new Object[] { 2L }, boatList2.get(11).getMetrics());
    checkBitmapIndex(Lists.newArrayList(0, 1, 2, 3, 4, 5, 8, 9, 10), adapter2.getBitmapIndex("dimA", ""));
    checkBitmapIndex(Lists.newArrayList(6), adapter2.getBitmapIndex("dimA", "1"));
    checkBitmapIndex(Lists.newArrayList(7, 11), adapter2.getBitmapIndex("dimA", "2"));
    checkBitmapIndex(Lists.newArrayList(0, 1, 2, 6, 7, 11), adapter2.getBitmapIndex("dimB", ""));
    checkBitmapIndex(Lists.newArrayList(3, 8), adapter2.getBitmapIndex("dimB", "1"));
    checkBitmapIndex(Lists.newArrayList(4, 9), adapter2.getBitmapIndex("dimB", "2"));
    checkBitmapIndex(Lists.newArrayList(5, 10), adapter2.getBitmapIndex("dimB", "3"));
    checkBitmapIndex(Lists.newArrayList(3, 4, 5, 6, 7, 8, 9, 10, 11), adapter2.getBitmapIndex("dimC", ""));
    checkBitmapIndex(Lists.newArrayList(0), adapter2.getBitmapIndex("dimC", "1"));
    checkBitmapIndex(Lists.newArrayList(1), adapter2.getBitmapIndex("dimC", "2"));
    checkBitmapIndex(Lists.newArrayList(2), adapter2.getBitmapIndex("dimC", "3"));
}
Also used : CountAggregatorFactory(io.druid.query.aggregation.CountAggregatorFactory) IncrementalIndex(io.druid.segment.incremental.IncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) MapBasedInputRow(io.druid.data.input.MapBasedInputRow) File(java.io.File) IncrementalIndexTest(io.druid.segment.data.IncrementalIndexTest) Test(org.junit.Test)

Example 29 with IncrementalIndex

use of io.druid.segment.incremental.IncrementalIndex in project druid by druid-io.

the class IndexMergerTest method getSingleDimIndex.

private IncrementalIndex getSingleDimIndex(String dimName, List<String> values) throws Exception {
    IncrementalIndex toPersist1 = new OnheapIncrementalIndex(0L, Granularities.NONE, new AggregatorFactory[] { new CountAggregatorFactory("count") }, 1000);
    addDimValuesToIndex(toPersist1, dimName, values);
    return toPersist1;
}
Also used : CountAggregatorFactory(io.druid.query.aggregation.CountAggregatorFactory) IncrementalIndex(io.druid.segment.incremental.IncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex)

Example 30 with IncrementalIndex

use of io.druid.segment.incremental.IncrementalIndex in project druid by druid-io.

the class IndexMergerTest method testPersistEmptyColumn.

@Test
public void testPersistEmptyColumn() throws Exception {
    final IncrementalIndex toPersist1 = new OnheapIncrementalIndex(0L, Granularities.NONE, new AggregatorFactory[] {}, 10);
    final IncrementalIndex toPersist2 = new OnheapIncrementalIndex(0L, Granularities.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(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist1, tmpDir1, indexSpec)));
    final QueryableIndex index2 = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.persist(toPersist2, tmpDir2, indexSpec)));
    final QueryableIndex merged = closer.closeLater(INDEX_IO.loadIndex(INDEX_MERGER.mergeQueryableIndex(Arrays.asList(index1, index2), true, 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(2, merged.getColumn(Column.TIME_COLUMN_NAME).getLength());
    Assert.assertEquals(ImmutableList.of("dim2"), ImmutableList.copyOf(merged.getAvailableDimensions()));
    assertDimCompression(index1, indexSpec.getDimensionCompression());
    assertDimCompression(index2, indexSpec.getDimensionCompression());
    assertDimCompression(merged, indexSpec.getDimensionCompression());
}
Also used : IncrementalIndex(io.druid.segment.incremental.IncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) OnheapIncrementalIndex(io.druid.segment.incremental.OnheapIncrementalIndex) MapBasedInputRow(io.druid.data.input.MapBasedInputRow) File(java.io.File) IncrementalIndexTest(io.druid.segment.data.IncrementalIndexTest) Test(org.junit.Test)

Aggregations

IncrementalIndex (io.druid.segment.incremental.IncrementalIndex)89 OnheapIncrementalIndex (io.druid.segment.incremental.OnheapIncrementalIndex)81 File (java.io.File)49 Test (org.junit.Test)37 MapBasedInputRow (io.druid.data.input.MapBasedInputRow)33 IncrementalIndexTest (io.druid.segment.data.IncrementalIndexTest)26 CountAggregatorFactory (io.druid.query.aggregation.CountAggregatorFactory)25 DateTime (org.joda.time.DateTime)21 LongSumAggregatorFactory (io.druid.query.aggregation.LongSumAggregatorFactory)16 QueryableIndex (io.druid.segment.QueryableIndex)16 DimensionsSpec (io.druid.data.input.impl.DimensionsSpec)13 IncrementalIndexSegment (io.druid.segment.IncrementalIndexSegment)13 IndexSpec (io.druid.segment.IndexSpec)13 AggregatorFactory (io.druid.query.aggregation.AggregatorFactory)12 IncrementalIndexAdapter (io.druid.segment.incremental.IncrementalIndexAdapter)12 Interval (org.joda.time.Interval)11 InputRow (io.druid.data.input.InputRow)10 IOException (java.io.IOException)10 BenchmarkDataGenerator (io.druid.benchmark.datagen.BenchmarkDataGenerator)8 HyperUniquesSerde (io.druid.query.aggregation.hyperloglog.HyperUniquesSerde)8