use of org.apache.hadoop.hive.ql.io.RecordUpdater in project hive by apache.
the class TestOrcRecordUpdater method testWriterTblProperties.
@Test
public void testWriterTblProperties() throws Exception {
Path root = new Path(workDir, "testWriterTblProperties");
Configuration conf = new Configuration();
// Must use raw local because the checksummer doesn't honor flushes.
FileSystem fs = FileSystem.getLocal(conf).getRaw();
ObjectInspector inspector;
synchronized (TestOrcFile.class) {
inspector = ObjectInspectorFactory.getReflectionObjectInspector(MyRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
}
Properties tblProps = new Properties();
tblProps.setProperty("orc.compress", "SNAPPY");
tblProps.setProperty("orc.compress.size", "8192");
HiveConf.setIntVar(conf, HiveConf.ConfVars.HIVE_ORC_BASE_DELTA_RATIO, 4);
AcidOutputFormat.Options options = new AcidOutputFormat.Options(conf).filesystem(fs).bucket(10).writingBase(false).minimumWriteId(10).maximumWriteId(19).inspector(inspector).reporter(Reporter.NULL).finalDestination(root).tableProperties(tblProps);
RecordUpdater updater = new OrcRecordUpdater(root, options);
updater.insert(11, new MyRow("first"));
updater.insert(11, new MyRow("second"));
updater.insert(11, new MyRow("third"));
updater.flush();
updater.insert(12, new MyRow("fourth"));
updater.insert(12, new MyRow("fifth"));
updater.flush();
PrintStream origOut = System.out;
ByteArrayOutputStream myOut = new ByteArrayOutputStream();
System.setOut(new PrintStream(myOut));
FileDump.main(new String[] { root.toUri().toString() });
System.out.flush();
String outDump = new String(myOut.toByteArray());
assertEquals(true, outDump.contains("Compression: SNAPPY"));
assertEquals(true, outDump.contains("Compression size: 2048"));
System.setOut(origOut);
updater.close(false);
}
use of org.apache.hadoop.hive.ql.io.RecordUpdater in project hive by apache.
the class TestVectorizedOrcAcidRowBatchReader method setup.
@Before
public void setup() throws Exception {
conf = new JobConf();
conf.set("bucket_count", "1");
conf.set(hive_metastoreConstants.TABLE_IS_TRANSACTIONAL, "true");
conf.setBoolean(HiveConf.ConfVars.HIVE_TRANSACTIONAL_TABLE_SCAN.varname, true);
conf.set(hive_metastoreConstants.TABLE_TRANSACTIONAL_PROPERTIES, "default");
conf.setInt(HiveConf.ConfVars.HIVE_TXN_OPERATIONAL_PROPERTIES.varname, AcidUtils.AcidOperationalProperties.getDefault().toInt());
conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS, DummyRow.getColumnNamesProperty());
conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS_TYPES, DummyRow.getColumnTypesProperty());
conf.setBoolean(HiveConf.ConfVars.HIVE_VECTORIZATION_ENABLED.varname, true);
conf.set(HiveConf.ConfVars.HIVE_ORC_SPLIT_STRATEGY.varname, "BI");
Path workDir = new Path(System.getProperty("test.tmp.dir", "target" + File.separator + "test" + File.separator + "tmp"));
root = new Path(workDir, "TestVectorizedOrcAcidRowBatch.testDump");
fs = root.getFileSystem(conf);
root = fs.makeQualified(root);
fs.delete(root, true);
ObjectInspector inspector;
synchronized (TestOrcFile.class) {
inspector = ObjectInspectorFactory.getReflectionObjectInspector(DummyRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
}
int bucket = 0;
AcidOutputFormat.Options options = new AcidOutputFormat.Options(conf).filesystem(fs).bucket(bucket).writingBase(false).minimumWriteId(1).maximumWriteId(NUM_OWID).inspector(inspector).reporter(Reporter.NULL).recordIdColumn(1).finalDestination(root);
RecordUpdater updater = new OrcRecordUpdater(root, options);
// Create a single insert delta with 150,000 rows, with 15000 rowIds per original transaction id.
for (long i = 1; i <= NUM_OWID; ++i) {
for (long j = 0; j < NUM_ROWID_PER_OWID; ++j) {
long payload = (i - 1) * NUM_ROWID_PER_OWID + j;
updater.insert(i, new DummyRow(payload, j, i, bucket));
}
}
updater.close(false);
// Now create three types of delete deltas- first has rowIds divisible by 2 but not by 3,
// second has rowIds divisible by 3 but not by 2, and the third has rowIds divisible by
// both 2 and 3. This should produce delete deltas that will thoroughly test the sort-merge
// logic when the delete events in the delete delta files interleave in the sort order.
// Create a delete delta that has rowIds divisible by 2 but not by 3. This will produce
// a delete delta file with 50,000 delete events.
long currTxnId = NUM_OWID + 1;
options.minimumWriteId(currTxnId).maximumWriteId(currTxnId);
updater = new OrcRecordUpdater(root, options);
for (long i = 1; i <= NUM_OWID; ++i) {
for (long j = 0; j < NUM_ROWID_PER_OWID; j += 1) {
if (j % 2 == 0 && j % 3 != 0) {
updater.delete(currTxnId, new DummyRow(-1, j, i, bucket));
}
}
}
updater.close(false);
// Now, create a delete delta that has rowIds divisible by 3 but not by 2. This will produce
// a delete delta file with 25,000 delete events.
currTxnId = NUM_OWID + 2;
options.minimumWriteId(currTxnId).maximumWriteId(currTxnId);
updater = new OrcRecordUpdater(root, options);
for (long i = 1; i <= NUM_OWID; ++i) {
for (long j = 0; j < NUM_ROWID_PER_OWID; j += 1) {
if (j % 2 != 0 && j % 3 == 0) {
updater.delete(currTxnId, new DummyRow(-1, j, i, bucket));
}
}
}
updater.close(false);
// Now, create a delete delta that has rowIds divisible by both 3 and 2. This will produce
// a delete delta file with 25,000 delete events.
currTxnId = NUM_OWID + 3;
options.minimumWriteId(currTxnId).maximumWriteId(currTxnId);
updater = new OrcRecordUpdater(root, options);
for (long i = 1; i <= NUM_OWID; ++i) {
for (long j = 0; j < NUM_ROWID_PER_OWID; j += 1) {
if (j % 2 == 0 && j % 3 == 0) {
updater.delete(currTxnId, new DummyRow(-1, j, i, bucket));
}
}
}
updater.close(false);
}
use of org.apache.hadoop.hive.ql.io.RecordUpdater in project hive by apache.
the class TestInputOutputFormat method testACIDReaderNoFooterSerializeWithDeltas.
@Test
public void testACIDReaderNoFooterSerializeWithDeltas() throws Exception {
conf.set("fs.defaultFS", "mock:///");
conf.set("fs.mock.impl", MockFileSystem.class.getName());
FileSystem fs = FileSystem.get(conf);
MockPath mockPath = new MockPath(fs, "mock:///mocktable7");
conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS, MyRow.getColumnNamesProperty());
conf.set(IOConstants.SCHEMA_EVOLUTION_COLUMNS_TYPES, MyRow.getColumnTypesProperty());
conf.set("hive.orc.splits.include.file.footer", "false");
conf.set("mapred.input.dir", mockPath.toString());
StructObjectInspector inspector;
synchronized (TestOrcFile.class) {
inspector = (StructObjectInspector) ObjectInspectorFactory.getReflectionObjectInspector(MyRow.class, ObjectInspectorFactory.ObjectInspectorOptions.JAVA);
}
Writer writer = OrcFile.createWriter(new Path(mockPath + "/0_0"), OrcFile.writerOptions(conf).blockPadding(false).bufferSize(1024).inspector(inspector));
for (int i = 0; i < 10; ++i) {
writer.addRow(new MyRow(i, 2 * i));
}
writer.close();
AcidOutputFormat.Options options = new AcidOutputFormat.Options(conf).bucket(1).minimumWriteId(1).maximumWriteId(1).inspector(inspector).finalDestination(mockPath);
OrcOutputFormat of = new OrcOutputFormat();
RecordUpdater ru = of.getRecordUpdater(mockPath, options);
for (int i = 0; i < 10; ++i) {
ru.insert(options.getMinimumWriteId(), new MyRow(i, 2 * i));
}
// this deletes the side file
ru.close(false);
// set up props for read
conf.setBoolean(hive_metastoreConstants.TABLE_IS_TRANSACTIONAL, true);
AcidUtils.setAcidOperationalProperties(conf, true, null);
OrcInputFormat orcInputFormat = new OrcInputFormat();
InputSplit[] splits = orcInputFormat.getSplits(conf, 2);
assertEquals(2, splits.length);
int readOpsBefore = -1;
for (FileSystem.Statistics statistics : FileSystem.getAllStatistics()) {
if (statistics.getScheme().equalsIgnoreCase("mock")) {
readOpsBefore = statistics.getReadOps();
}
}
assertTrue("MockFS has stats. Read ops not expected to be -1", readOpsBefore != -1);
for (InputSplit split : splits) {
assertTrue("OrcSplit is expected", split instanceof OrcSplit);
// ETL strategies will have start=3 (start of first stripe)
assertTrue(split.toString().contains("start=3"));
assertTrue(split.toString().contains("hasFooter=false"));
assertTrue(split.toString().contains("hasBase=true"));
assertFalse("No footer serialize test for ACID reader, hasFooter is not expected in" + " orc splits.", ((OrcSplit) split).hasFooter());
orcInputFormat.getRecordReader(split, conf, Reporter.NULL);
}
int readOpsDelta = -1;
for (FileSystem.Statistics statistics : FileSystem.getAllStatistics()) {
if (statistics.getScheme().equalsIgnoreCase("mock")) {
readOpsDelta = statistics.getReadOps() - readOpsBefore;
}
}
// call-1: open(mock:/mocktable7/0_0)
// call-2: open(mock:/mocktable7/0_0)
// call-3: listLocatedFileStatuses(mock:/mocktable7)
// call-4: getFileStatus(mock:/mocktable7/delta_0000001_0000001_0000/_metadata_acid)
// call-5: open(mock:/mocktable7/delta_0000001_0000001_0000/bucket_00001)
// call-6: getFileStatus(mock:/mocktable7/delta_0000001_0000001_0000/_metadata_acid)
// call-7: open(mock:/mocktable7/delta_0000001_0000001_0000/bucket_00001)
assertEquals(7, readOpsDelta);
// revert back to local fs
conf.set("fs.defaultFS", "file:///");
}
Aggregations