@Test public void testSingleDictionaryColumnByteLimit() { int bytesPerEntry = 1024; int dictionaryEntries = 1024; TestDictionaryColumn column = dictionaryColumn(bytesPerEntry, dictionaryEntries); // construct a simulator that will hit the row limit first int stripeMaxBytes = megabytes(100); int bytesPerRow = estimateIndexBytesPerValue(dictionaryEntries); int expectedMaxRowCount = stripeMaxBytes / bytesPerRow; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 10, megabytes(16), 0, column); for (int loop = 0; loop < 3; loop++) { assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertEquals(simulator.getRowCount(), 0); assertEquals(simulator.getBufferedBytes(), 0); simulator.advanceToNextStateChange(); // since there dictionary columns is only 1 MB, the simulator should advance until the strip is full assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertLessThan(simulator.getRowCount(), expectedMaxRowCount); simulator.finalOptimize(); assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertLessThan(simulator.getRowCount(), expectedMaxRowCount); simulator.reset(); } }
@Test public void testNoDictionariesBytesLimit() { int stripeMaxBytes = megabytes(100); int bytesPerRow = 1024; int expectedMaxRowCount = stripeMaxBytes / bytesPerRow; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 2, megabytes(16), bytesPerRow); for (int loop = 0; loop < 3; loop++) { assertFalse(simulator.isDictionaryMemoryFull()); assertEquals(simulator.getRowCount(), 0); assertEquals(simulator.getBufferedBytes(), 0); simulator.advanceToNextStateChange(); // since there are no dictionary columns, the simulator should advance until the strip is full assertFalse(simulator.isDictionaryMemoryFull()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertGreaterThanOrEqual(simulator.getRowCount(), expectedMaxRowCount); simulator.finalOptimize(); assertFalse(simulator.isDictionaryMemoryFull()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertGreaterThanOrEqual(simulator.getRowCount(), expectedMaxRowCount); simulator.reset(); } }
int dictionaryMaxMemoryBytesLow = dictionaryMaxMemoryBytes - (int) DICTIONARY_MEMORY_MAX_RANGE.toBytes(); int expectedMaxRowCount = (int) (dictionaryMaxMemoryBytesLow / bytesPerEntry / uniquePercentage); DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 2, dictionaryMaxMemoryBytes, 0, column);
int expectedRowCountAtFlip = (int) (dictionaryMaxMemoryBytes / (bytesPerEntry * 2 * directUniquePercentage)); int expectedMaxRowCountAtFull = stripeMaxBytes / (bytesPerEntry * 2); DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCountAtFull * 2, dictionaryMaxMemoryBytes, 0, directColumn, dictionaryColumn);
int expectedRowCountAtFlip = (int) (dictionaryMaxMemoryBytes / (bytesPerEntry * 2 * directUniquePercentage)); int expectedMaxRowCountAtFull = stripeMaxBytes / (bytesPerEntry * 2); DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCountAtFull * 2, dictionaryMaxMemoryBytes, 0, directColumn, dictionaryColumn);
int expectedRowCountAtFlip = (int) ((dictionaryMaxMemoryBytes - DICTIONARY_MEMORY_MAX_RANGE.toBytes()) / bytesPerEntry); int expectedMaxRowCountAtFull = stripeMaxBytes / bytesPerEntry; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCountAtFull, dictionaryMaxMemoryBytes, 0, column);
int expectedRowCountAtFlip = (int) (dictionaryMaxMemoryBytes / bytesPerEntry / uniquePercentage); int expectedMaxRowCountAtFull = stripeMaxBytes / bytesPerEntry; DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCountAtFull * 2, dictionaryMaxMemoryBytes, 0, column);
int expectedRowCountAtFlip = (int) ((dictionaryMaxMemoryBytes - DICTIONARY_MEMORY_MAX_RANGE.toBytes()) / bytesPerEntry); int expectedMaxRowCountAtFull = stripeMaxBytes / bytesPerEntry; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCountAtFull, dictionaryMaxMemoryBytes, 0, column);
@Test public void testSingleDictionaryColumnByteLimit() { int bytesPerEntry = 1024; int dictionaryEntries = 1024; TestDictionaryColumn column = dictionaryColumn(bytesPerEntry, dictionaryEntries); // construct a simulator that will hit the row limit first int stripeMaxBytes = megabytes(100); int bytesPerRow = estimateIndexBytesPerValue(dictionaryEntries); int expectedMaxRowCount = stripeMaxBytes / bytesPerRow; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 10, megabytes(16), 0, column); for (int loop = 0; loop < 3; loop++) { assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertEquals(simulator.getRowCount(), 0); assertEquals(simulator.getBufferedBytes(), 0); simulator.advanceToNextStateChange(); // since there dictionary columns is only 1 MB, the simulator should advance until the strip is full assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertLessThan(simulator.getRowCount(), expectedMaxRowCount); simulator.finalOptimize(); assertFalse(simulator.isDictionaryMemoryFull()); assertFalse(column.isDirect()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertLessThan(simulator.getRowCount(), expectedMaxRowCount); simulator.reset(); } }
int dictionaryMaxMemoryBytesLow = dictionaryMaxMemoryBytes - (int) DICTIONARY_MEMORY_MAX_RANGE.toBytes(); int expectedMaxRowCount = (int) (dictionaryMaxMemoryBytesLow / bytesPerEntry / uniquePercentage); DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 2, dictionaryMaxMemoryBytes, 0, column);
DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCount * 2, dictionaryMaxMemoryBytes, 0, column);
DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCount * 2, dictionaryMaxMemoryBytes, 0, column);
int expectedRowCountAtFlip = (int) (dictionaryMaxMemoryBytes / bytesPerEntry / uniquePercentage); int expectedMaxRowCountAtFull = stripeMaxBytes / bytesPerEntry; DataSimulator simulator = new DataSimulator(stripeMaxBytes / 2, stripeMaxBytes, expectedMaxRowCountAtFull * 2, dictionaryMaxMemoryBytes, 0, column);
@Test public void testNoDictionariesBytesLimit() { int stripeMaxBytes = megabytes(100); int bytesPerRow = 1024; int expectedMaxRowCount = stripeMaxBytes / bytesPerRow; DataSimulator simulator = new DataSimulator(0, stripeMaxBytes, expectedMaxRowCount * 2, megabytes(16), bytesPerRow); for (int loop = 0; loop < 3; loop++) { assertFalse(simulator.isDictionaryMemoryFull()); assertEquals(simulator.getRowCount(), 0); assertEquals(simulator.getBufferedBytes(), 0); simulator.advanceToNextStateChange(); // since there are no dictionary columns, the simulator should advance until the strip is full assertFalse(simulator.isDictionaryMemoryFull()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertGreaterThanOrEqual(simulator.getRowCount(), expectedMaxRowCount); simulator.finalOptimize(); assertFalse(simulator.isDictionaryMemoryFull()); assertGreaterThanOrEqual(simulator.getBufferedBytes(), (long) stripeMaxBytes); assertGreaterThanOrEqual(simulator.getRowCount(), expectedMaxRowCount); simulator.reset(); } }