org.apache.hadoop.hbase.HBaseTestingUtility.flush()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中org.apache.hadoop.hbase.HBaseTestingUtility.flush()方法的一些代码示例，展示了HBaseTestingUtility.flush()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。HBaseTestingUtility.flush()方法的具体详情如下：
包路径：org.apache.hadoop.hbase.HBaseTestingUtility
类名称：HBaseTestingUtility
方法名：flush

HBaseTestingUtility.flush介绍

[英]Flushes all caches in the mini hbase cluster
[中]刷新迷你hbase群集中的所有缓存

代码示例

代码示例来源：origin: apache/hbase

private void generateRows(int numberOfRows, Table ht, byte[] family, byte[] qf, byte[] value)
  throws IOException {
 for (int i = 0; i < numberOfRows; i++) {
  byte[] row = Bytes.toBytes(i);
  Put p = new Put(row);
  p.addColumn(family, qf, value);
  ht.put(p);
 }
 TEST_UTIL.flush();
}

代码示例来源：origin: apache/hbase

@Test
 public void testDisabledWAL() throws Exception {
  LOG.info("Writing data to table " + tableName);
  Put p = new Put(Bytes.toBytes("row"));
  p.addColumn(fam, Bytes.toBytes("qual"), Bytes.toBytes("val"));
  table.put(p);

  LOG.info("Flushing table " + tableName);
  TEST_UTIL.flush(tableName);

  LOG.info("Getting data from table " + tableName);
  Get get = new Get(Bytes.toBytes("row"));

  Result result = table.get(get);
  assertNotNull(result.getValue(fam, Bytes.toBytes("qual")));
 }
}

代码示例来源：origin: apache/hbase

public static void setUp(String regionImpl) {
 try {
  CONF.set(HConstants.REGION_IMPL, regionImpl);
  CONF.setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 2);
  CONF.setStrings(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY, RefreshHFilesEndpoint.class.getName());
  cluster = HTU.startMiniCluster(NUM_RS);
  // Create table
  table = HTU.createTable(TABLE_NAME, FAMILY, SPLIT_KEY);
  // this will create 2 regions spread across slaves
  HTU.loadNumericRows(table, FAMILY, 1, 20);
  HTU.flush(TABLE_NAME);
 } catch (Exception ex) {
  LOG.error("Couldn't finish setup", ex);
 }
}

代码示例来源：origin: apache/hbase

private static void loadData(final Table ht, final byte[][] families,
   final int rows, final int flushes) throws IOException {
  List<Put> puts = new ArrayList<>(rows);
  byte[] qualifier = Bytes.toBytes("val");
  for (int i = 0; i < flushes; i++) {
   for (int k = 0; k < rows; k++) {
    byte[] row = Bytes.toBytes(random.nextLong());
    Put p = new Put(row);
    for (int j = 0; j < families.length; ++j) {
     p.addColumn(families[j], qualifier, row);
    }
    puts.add(p);
   }
   ht.put(puts);
   TEST_UTIL.flush();
   puts.clear();
  }
 }
}

代码示例来源：origin: apache/hbase

private void generateRows(int numberOfRows, Table ht, byte[] family, byte[] qf, byte[] value)
  throws IOException {
 for (int i = 0; i < numberOfRows; i++) {
  byte[] row = Bytes.toBytes(i);
  Put p = new Put(row);
  p.addColumn(family, qf, value);
  p.setDurability(Durability.SKIP_WAL);
  ht.put(p);
 }
 TEST_UTIL.flush();
}

代码示例来源：origin: apache/hbase

static void loadData(final TableName tableName, final byte[][] families, final int rows,
   final int flushes) throws IOException {
  AsyncTable<?> table = ASYNC_CONN.getTable(tableName);
  List<Put> puts = new ArrayList<>(rows);
  byte[] qualifier = Bytes.toBytes("val");
  for (int i = 0; i < flushes; i++) {
   for (int k = 0; k < rows; k++) {
    byte[] row = Bytes.add(Bytes.toBytes(k), Bytes.toBytes(i));
    Put p = new Put(row);
    for (int j = 0; j < families.length; ++j) {
     p.addColumn(families[j], qualifier, row);
    }
    puts.add(p);
   }
   table.putAll(puts).join();
   TEST_UTIL.flush();
   puts.clear();
  }
 }
}

代码示例来源：origin: apache/hbase

private static void loadDataAndFlush() throws IOException {
 for (int i = 0; i < MAX_SPLIT_KEYS_NUM; i++) {
  Put put = new Put(integerToBytes(i)).addColumn(FAMILY, QUALIFIER,
   Bytes.add(VALUE, Bytes.toBytes(i)));
  TABLE.put(put);
 }
 TEST_UTIL.flush(TABLE_NAME);
}

代码示例来源：origin: apache/hbase

@Before
public void setup() throws Exception {
 if (cacheType.equals("bucket")) {
  CONF.set(HConstants.BUCKET_CACHE_IOENGINE_KEY, "offheap");
  CONF.setInt(HConstants.BUCKET_CACHE_SIZE_KEY, 30);
 }
 cluster = HTU.startMiniCluster(NUM_RS);
 rs1 = cluster.getRegionServer(0);
 rs2 = cluster.getRegionServer(1);
 // Create table
 table = HTU.createTable(TABLE_NAME, FAMILY, SPLIT_KEY);
 HTU.loadNumericRows(table, FAMILY, 1, 10);
 HTU.flush(TABLE_NAME);
}

代码示例来源：origin: apache/hbase

@Test
public void test() throws IOException, InterruptedException {
 try (Table t = UTIL.getConnection().getTable(NAME1)) {
  writeData(t);
  // Flush the data
  UTIL.flush(NAME1);
  // Issue a compaction
  UTIL.compact(NAME1, true);
  Thread.sleep(2000);
 }
 Set<String> jmxMetrics = readJmxMetricsWithRetry();
 assertNotNull(jmxMetrics);
 long name1TableMetricsCount =
   jmxMetrics.stream().filter(metric -> metric.contains("MetaTable_table_" + NAME1)).count();
 assertEquals(5L, name1TableMetricsCount);
 String putWithClientMetricNameRegex = "MetaTable_client_.+_put_request.*";
 long putWithClientMetricsCount =
     jmxMetrics.stream().filter(metric -> metric.matches(putWithClientMetricNameRegex))
         .count();
 assertEquals(5L, putWithClientMetricsCount);
}

代码示例来源：origin: apache/hbase

@Test
public void testWithColumnDeletes() throws IOException {
 final TableName tableName = TableName.valueOf(name.getMethodName());
 byte [] FAMILY = Bytes.toBytes("event_log");
 byte [][] FAMILIES = new byte[][] { FAMILY };
 // create table; set versions to max...
 Table ht = TEST_UTIL.createTable(tableName, FAMILIES, Integer.MAX_VALUE);
 // For row:0, col:0: insert versions 1 through 5.
 putNVersions(ht, FAMILY, 0, 0, 1, 5);
 TEST_UTIL.flush(tableName);
 // delete all versions before 4.
 deleteColumn(ht, FAMILY, 0, 0);
 // request a bunch of versions including the deleted version. We should
 // only get back entries for the versions that exist.
 Cell kvs[] = getNVersions(ht, FAMILY, 0, 0, Arrays.asList(2L, 3L));
 assertEquals(0, kvs.length);
 ht.close();
}

代码示例来源：origin: apache/hbase

@Test
public void testJira6912() throws Exception {
 final TableName tableName = TableName.valueOf(name.getMethodName());
 Table foo = TEST_UTIL.createTable(tableName, new byte[][] {FAMILY}, 10);
 List<Put> puts = new ArrayList<Put>();
 for (int i=0;i !=100; i++){
  Put put = new Put(Bytes.toBytes(i));
  put.addColumn(FAMILY, FAMILY, Bytes.toBytes(i));
  puts.add(put);
 }
 foo.put(puts);
 // If i comment this out it works
 TEST_UTIL.flush();
 Scan scan = new Scan();
 scan.setStartRow(Bytes.toBytes(1));
 scan.setStopRow(Bytes.toBytes(3));
 scan.addColumn(FAMILY, FAMILY);
 scan.setFilter(new RowFilter(CompareOperator.NOT_EQUAL,
   new BinaryComparator(Bytes.toBytes(1))));
 ResultScanner scanner = foo.getScanner(scan);
 Result[] bar = scanner.next(100);
 assertEquals(1, bar.length);
}

代码示例来源：origin: apache/hbase

@Test
public void testWithMultipleVersionDeletes() throws IOException {
 LOG.info(name.getMethodName());
 final TableName tableName = TableName.valueOf(name.getMethodName());
 byte [] FAMILY = Bytes.toBytes("event_log");
 byte [][] FAMILIES = new byte[][] { FAMILY };
 // create table; set versions to max...
 Table ht = TEST_UTIL.createTable(tableName, FAMILIES, Integer.MAX_VALUE);
 // For row:0, col:0: insert versions 1 through 5.
 putNVersions(ht, FAMILY, 0, 0, 1, 5);
 TEST_UTIL.flush(tableName);
 // delete all versions before 4.
 deleteAllVersionsBefore(ht, FAMILY, 0, 0, 4);
 // request a bunch of versions including the deleted version. We should
 // only get back entries for the versions that exist.
 Cell kvs[] = getNVersions(ht, FAMILY, 0, 0, Arrays.asList(2L, 3L));
 assertEquals(0, kvs.length);
 ht.close();
}

代码示例来源：origin: apache/hbase

@Test
public void testWithFamilyDeletes() throws IOException {
 final TableName tableName = TableName.valueOf(name.getMethodName());
 byte [] FAMILY = Bytes.toBytes("event_log");
 byte [][] FAMILIES = new byte[][] { FAMILY };
 // create table; set versions to max...
 Table ht = TEST_UTIL.createTable(tableName, FAMILIES, Integer.MAX_VALUE);
 // For row:0, col:0: insert versions 1 through 5.
 putNVersions(ht, FAMILY, 0, 0, 1, 5);
 TEST_UTIL.flush(tableName);
 // delete all versions before 4.
 deleteFamily(ht, FAMILY, 0);
 // request a bunch of versions including the deleted version. We should
 // only get back entries for the versions that exist.
 Cell kvs[] = getNVersions(ht, FAMILY, 0, 0, Arrays.asList(2L, 3L));
 assertEquals(0, kvs.length);
 ht.close();
}

代码示例来源：origin: apache/hbase

@Test
public void testIncrementWithDeletes() throws Exception {
 LOG.info("Starting " + this.name.getMethodName());
 final TableName TABLENAME =
   TableName.valueOf(filterStringSoTableNameSafe(this.name.getMethodName()));
 Table ht = TEST_UTIL.createTable(TABLENAME, FAMILY);
 final byte[] COLUMN = Bytes.toBytes("column");
 ht.incrementColumnValue(ROW, FAMILY, COLUMN, 5);
 TEST_UTIL.flush(TABLENAME);
 Delete del = new Delete(ROW);
 ht.delete(del);
 ht.incrementColumnValue(ROW, FAMILY, COLUMN, 5);
 Get get = new Get(ROW);
 Result r = ht.get(get);
 assertEquals(1, r.size());
 assertEquals(5, Bytes.toLong(r.getValue(FAMILY, COLUMN)));
}

代码示例来源：origin: apache/hbase

@Test
public void testSplit()
  throws IOException, InterruptedException, ExecutionException, TimeoutException {
 try (Table table = createTable(false)) {
  table.put(new Put(Bytes.toBytes(0)).addColumn(CF, CQ, Bytes.toBytes(0)));
  table.put(new Put(Bytes.toBytes(1)).addColumn(CF, CQ, Bytes.toBytes(0)));
 }
 UTIL.flush(NAME);
 HRegionServer rs = UTIL.getRSForFirstRegionInTable(NAME);
 RegionInfo region = UTIL.getMiniHBaseCluster().getRegions(NAME).get(0).getRegionInfo();
 UTIL.getAdmin().splitRegionAsync(region.getRegionName(), Bytes.toBytes(1)).get(1,
  TimeUnit.MINUTES);
 long maxSeqId = getMaxSeqId(rs, region);
 RegionLocator locator = UTIL.getConnection().getRegionLocator(NAME);
 HRegionLocation locA = locator.getRegionLocation(Bytes.toBytes(0), true);
 HRegionLocation locB = locator.getRegionLocation(Bytes.toBytes(1), true);
 assertEquals(maxSeqId + 1, locA.getSeqNum());
 assertEquals(maxSeqId + 1, locB.getSeqNum());
}

代码示例来源：origin: apache/hbase

@Test
 public void testFlushWithTableCompactionDisabled() throws Exception {
  HTableDescriptor htd = new HTableDescriptor(tableName);
  htd.setCompactionEnabled(false);
  TEST_UTIL.createTable(htd, new byte[][] { family }, null);

  // load the table
  for (int i = 0; i < blockingStoreFiles + 1; i ++) {
   TEST_UTIL.loadTable(TEST_UTIL.getConnection().getTable(tableName), family);
   TEST_UTIL.flush(tableName);
  }

  // Make sure that store file number is greater than blockingStoreFiles + 1
  Path tableDir = FSUtils.getTableDir(rootDir, tableName);
  Collection<String> hfiles =  SnapshotTestingUtils.listHFileNames(fs, tableDir);
  assert(hfiles.size() > blockingStoreFiles + 1);
 }
}

代码示例来源：origin: apache/hbase

private void testWithVersionDeletes(boolean flushTables) throws IOException {
 final byte [] TABLE = Bytes.toBytes(name.getMethodName() + "_" +
                 (flushTables ? "flush" : "noflush"));
 byte [] FAMILY = Bytes.toBytes("event_log");
 byte [][] FAMILIES = new byte[][] { FAMILY };
 // create table; set versions to max...
 Table ht = TEST_UTIL.createTable(TableName.valueOf(TABLE), FAMILIES, Integer.MAX_VALUE);
 // For row:0, col:0: insert versions 1 through 5.
 putNVersions(ht, FAMILY, 0, 0, 1, 5);
 // delete version 4.
 deleteOneVersion(ht, FAMILY, 0, 0, 4);
 if (flushTables) {
  TEST_UTIL.flush();
 }
 // request a bunch of versions including the deleted version. We should
 // only get back entries for the versions that exist.
 Cell kvs[] = getNVersions(ht, FAMILY, 0, 0, Arrays.asList(2L, 3L, 4L, 5L));
 assertEquals(3, kvs.length);
 checkOneCell(kvs[0], FAMILY, 0, 0, 5);
 checkOneCell(kvs[1], FAMILY, 0, 0, 3);
 checkOneCell(kvs[2], FAMILY, 0, 0, 2);
 ht.close();
}

代码示例来源：origin: apache/hbase

public void testWithVersionDeletes(boolean flushTables) throws IOException {
 LOG.info(name.getMethodName() + "_"+ (flushTables ? "flush" : "noflush"));
 final TableName tableName = TableName.valueOf(name.getMethodName() + "_" + (flushTables ?
     "flush" : "noflush"));
 byte [] FAMILY = Bytes.toBytes("event_log");
 byte [][] FAMILIES = new byte[][] { FAMILY };
 // create table; set versions to max...
 Table ht = TEST_UTIL.createTable(tableName, FAMILIES, Integer.MAX_VALUE);
 // For row:0, col:0: insert versions 1 through 5.
 putNVersions(ht, FAMILY, 0, 0, 1, 5);
 if (flushTables) {
  TEST_UTIL.flush(tableName);
 }
 // delete version 4.
 deleteOneVersion(ht, FAMILY, 0, 0, 4);
 // request a bunch of versions including the deleted version. We should
 // only get back entries for the versions that exist.
 Cell kvs[] = getNVersions(ht, FAMILY, 0, 0,
   Arrays.asList(2L, 3L, 4L, 5L));
 assertEquals(3, kvs.length);
 checkOneCell(kvs[0], FAMILY, 0, 0, 5);
 checkOneCell(kvs[1], FAMILY, 0, 0, 3);
 checkOneCell(kvs[2], FAMILY, 0, 0, 2);
 ht.close();
}

代码示例来源：origin: apache/hbase

@Before
public void setup() throws IOException, InterruptedException {
 // Create a table of three families. This will assign a region.
 TEST_UTIL.createTable(TABLENAME, FAMILIES);
 Table t = TEST_UTIL.getConnection().getTable(TABLENAME);
 TEST_UTIL.waitUntilNoRegionsInTransition();
 // Load the table with data for all families
 TEST_UTIL.loadTable(t, FAMILIES);
 TEST_UTIL.flush();
 t.close();
 TEST_UTIL.ensureSomeRegionServersAvailable(2);
}

代码示例来源：origin: apache/hbase

/**
 * HBASE-52
 *    Add a means of scanning over all versions
 */
@Test
public void testJiraTest52() throws Exception {
 final TableName tableName = TableName.valueOf(name.getMethodName());
 byte [][] VALUES = makeNAscii(VALUE, 7);
 long [] STAMPS = makeStamps(7);
 Table ht = TEST_UTIL.createTable(tableName, FAMILY, 10);
 // Insert lots versions
 Put put = new Put(ROW);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[0], VALUES[0]);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[1], VALUES[1]);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[2], VALUES[2]);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[3], VALUES[3]);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[4], VALUES[4]);
 put.addColumn(FAMILY, QUALIFIER, STAMPS[5], VALUES[5]);
 ht.put(put);
 getAllVersionsAndVerify(ht, ROW, FAMILY, QUALIFIER, STAMPS, VALUES, 0, 5);
 scanAllVersionsAndVerify(ht, ROW, FAMILY, QUALIFIER, STAMPS, VALUES, 0, 5);
 // Try same from storefile
 TEST_UTIL.flush();
 getAllVersionsAndVerify(ht, ROW, FAMILY, QUALIFIER, STAMPS, VALUES, 0, 5);
 scanAllVersionsAndVerify(ht, ROW, FAMILY, QUALIFIER, STAMPS, VALUES, 0, 5);
}

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