Java Code Examples for org.apache.hadoop.hbase.regionserver.HRegion#FlushResult

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Example 1
Source File: TransactionProcessorTest.java    From phoenix-tephra with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDataJanitorRegionScanner() throws Exception {
  String tableName = "TestRegionScanner";
  byte[] familyBytes = Bytes.toBytes("f");
  byte[] columnBytes = Bytes.toBytes("c");
  HRegion region = createRegion(tableName, familyBytes, TimeUnit.HOURS.toMillis(3));
  try {
    region.initialize();
    TransactionStateCache cache = new TransactionStateCacheSupplier(conf).get();
    LOG.info("Coprocessor is using transaction state: " + waitForTransactionState(cache));

    for (int i = 1; i <= 8; i++) {
      for (int k = 1; k <= i; k++) {
        Put p = new Put(Bytes.toBytes(i));
        p.add(familyBytes, columnBytes, V[k], Bytes.toBytes(V[k]));
        region.put(p);
      }
    }

    List<Cell> results = Lists.newArrayList();

    // force a flush to clear the data
    // during flush, the coprocessor should drop all KeyValues with timestamps in the invalid set
    LOG.info("Flushing region " + region.getRegionNameAsString());
    HRegion.FlushResult flushResult = region.flushcache();
    Assert.assertTrue("Unexpected flush result: " + flushResult.toString(), flushResult.isFlushSucceeded());

    // now a normal scan should only return the valid rows
    // do not use a filter here to test that cleanup works on flush
    Scan scan = new Scan();
    scan.setMaxVersions(10);
    RegionScanner regionScanner = region.getScanner(scan);

    // first returned value should be "4" with version "4"
    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 4, new long[] {V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 5, new long[] {V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 6, new long[] {V[6], V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 7, new long[] {V[6], V[4]});

    results.clear();
    assertFalse(regionScanner.next(results));
    assertKeyValueMatches(results, 8, new long[] {V[8], V[6], V[4]});
  } finally {
    region.close();
  }
}
Example 2
Source File: TransactionProcessorTest.java    From phoenix-tephra with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDataJanitorRegionScanner() throws Exception {
  String tableName = "TestRegionScanner";
  byte[] familyBytes = Bytes.toBytes("f");
  byte[] columnBytes = Bytes.toBytes("c");
  HRegion region = createRegion(tableName, familyBytes, TimeUnit.HOURS.toMillis(3));
  try {
    region.initialize();
    TransactionStateCache cache = new TransactionStateCacheSupplier(conf).get();
    LOG.info("Coprocessor is using transaction state: " + waitForTransactionState(cache));

    for (int i = 1; i <= 8; i++) {
      for (int k = 1; k <= i; k++) {
        Put p = new Put(Bytes.toBytes(i));
        p.add(familyBytes, columnBytes, V[k], Bytes.toBytes(V[k]));
        region.put(p);
      }
    }

    List<Cell> results = Lists.newArrayList();

    // force a flush to clear the data
    // during flush, the coprocessor should drop all KeyValues with timestamps in the invalid set
    LOG.info("Flushing region " + region.getRegionNameAsString());
    HRegion.FlushResult flushResult = region.flushcache();
    Assert.assertTrue("Unexpected flush result: " + flushResult, flushResult.isFlushSucceeded());

    // now a normal scan should only return the valid rows
    // do not use a filter here to test that cleanup works on flush
    Scan scan = new Scan();
    scan.setMaxVersions(10);
    RegionScanner regionScanner = region.getScanner(scan);

    // first returned value should be "4" with version "4"
    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 4, new long[]{V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 5, new long[] {V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 6, new long[]{V[6], V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 7, new long[]{V[6], V[4]});

    results.clear();
    assertFalse(regionScanner.next(results));
    assertKeyValueMatches(results, 8, new long[] {V[8], V[6], V[4]});
  } finally {
    region.close();
  }
}
Example 3
Source File: TransactionProcessorTest.java    From phoenix-tephra with Apache License 2.0 4 votes vote down vote up 
@Test
public void testDataJanitorRegionScanner() throws Exception {
  String tableName = "TestRegionScanner";
  byte[] familyBytes = Bytes.toBytes("f");
  byte[] columnBytes = Bytes.toBytes("c");
  HRegion region = createRegion(tableName, familyBytes, TimeUnit.HOURS.toMillis(3));
  try {
    region.initialize();
    TransactionStateCache cache = new TransactionStateCacheSupplier(conf).get();
    LOG.info("Coprocessor is using transaction state: " + waitForTransactionState(cache));

    for (int i = 1; i <= 8; i++) {
      for (int k = 1; k <= i; k++) {
        Put p = new Put(Bytes.toBytes(i));
        p.add(familyBytes, columnBytes, V[k], Bytes.toBytes(V[k]));
        region.put(p);
      }
    }

    List<Cell> results = Lists.newArrayList();

    // force a flush to clear the data
    // during flush, the coprocessor should drop all KeyValues with timestamps in the invalid set
    LOG.info("Flushing region " + region.getRegionNameAsString());
    HRegion.FlushResult flushResult = region.flushcache();
    Assert.assertTrue("Unexpected flush result: " + flushResult, flushResult.isFlushSucceeded());

    // now a normal scan should only return the valid rows
    // do not use a filter here to test that cleanup works on flush
    Scan scan = new Scan();
    scan.setMaxVersions(10);
    RegionScanner regionScanner = region.getScanner(scan);

    // first returned value should be "4" with version "4"
    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 4, new long[] {V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 5, new long[] {V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 6, new long[] {V[6], V[4]});

    results.clear();
    assertTrue(regionScanner.next(results));
    assertKeyValueMatches(results, 7, new long[] {V[6], V[4]});

    results.clear();
    assertFalse(regionScanner.next(results));
    assertKeyValueMatches(results, 8, new long[] {V[8], V[6], V[4]});
  } finally {
    region.close();
  }
}