Examples of org.apache.hadoop.hbase.client.HBaseAdmin.split()

Class org.apache.hadoop.hbase.client.HBaseAdmin

Examples of org.apache.hadoop.hbase.client.HBaseAdmin.split()

org.apache.hadoop.hbase.client.HBaseAdmin.split()
Split a table or an individual region. Asynchronous operation. @param tableNameOrRegionName table or region to split @throws IOException if a remote or network exception occurs @throws InterruptedException

    table.put(new Put(Bytes.toBytes("row1"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v1")));
    table.put(new Put(Bytes.toBytes("row2"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v2")));
    HBaseAdmin admin = UTIL.getHBaseAdmin();
    admin.split(TEST_TABLE);


    // wait for split
    Thread.sleep(10000);


    ListMultimap<String,TablePermission> postperms =

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    HRegionInfo region = PolicyBasedChaosMonkey.selectRandomItem(
        regions.toArray(new HRegionInfo[regions.size()]));
    LOG.debug("Splitting region " + region.getRegionNameAsString());
    try {
      admin.split(region.getRegionName());
    } catch (Exception ex) {
      LOG.warn("Split failed, might be caused by other chaos: " + ex.getMessage());
    }
    if (sleepTime > 0) {
      Thread.sleep(sleepTime);

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      }


      // Split the table in two
      LOG.info("Split Table");
      listener.reset();
      admin.split(TABLE_NAME_STR, "row-3");
      listener.awaitModifications(3);
      assertEquals(2, listener.getLoadCount());     // daughters added
      assertEquals(1, listener.getCloseCount());    // parent removed


      // Wait for the Regions to be mergeable

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    table.put(new Put(Bytes.toBytes("row1"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v1")));
    table.put(new Put(Bytes.toBytes("row2"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v2")));
    HBaseAdmin admin = UTIL.getHBaseAdmin();
    admin.split(TEST_TABLE);


    // wait for split
    Thread.sleep(10000);


    ListMultimap<String,TablePermission> postperms =

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    table.flushCommits();
    // get the initial layout (should just be one region)
    Map<HRegionInfo,HServerAddress> m = table.getRegionsInfo();
    assertEquals(m.size(), 1);
    // tell the master to split the table
    admin.split(TABLE);
    // give some time for the split to happen


    long timeout = System.currentTimeMillis() + (15 * 1000);
    while (System.currentTimeMillis() < timeout && m.size()!=2){
      try {

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          // we have a good region, time to split!
          byte[] split = dr.getSecond();
          LOG.debug("Splitting at " + splitAlgo.rowToStr(split));
          HBaseAdmin admin = new HBaseAdmin(table.getConfiguration());
          admin.split(table.getTableName(), split);


          LinkedList<Pair<byte[], byte[]>> finished = Lists.newLinkedList();
          if (conf.getBoolean("split.verify", true)) {
            // we need to verify and rate-limit our splits
            outstanding.addLast(dr);

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    RegionOpenListener list = new RegionOpenListener(aboutToOpen, proceed);
    cluster.getMaster().executorService.
      registerListener(EventType.RS_ZK_REGION_OPENED, list);


    LOG.info("Splitting table");
    admin.split(TABLENAME);
    LOG.info("Waiting for split result to be about to open");
    aboutToOpen.await(60, TimeUnit.SECONDS);
    try {
      LOG.info("Making sure we can call getTableRegions while opening");
      tableRegions = MetaReader.getTableRegionsAndLocations(

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      HRegionInfo hri = location.getRegionInfo();


      // do a regular split
      HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
      byte[] regionName = location.getRegionInfo().getRegionName();
      admin.split(location.getRegionInfo().getRegionName(), Bytes.toBytes("BM"));
      TestEndToEndSplitTransaction.blockUntilRegionSplit(
          TEST_UTIL.getConfiguration(), 60000, regionName, true);


      // TODO: fixHdfsHoles does not work against splits, since the parent dir lingers on
      // for some time until children references are deleted. HBCK erroneously sees this as

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      HRegionInfo hri = location.getRegionInfo();


      // do a regular split
      HBaseAdmin admin = TEST_UTIL.getHBaseAdmin();
      byte[] regionName = location.getRegionInfo().getRegionName();
      admin.split(location.getRegionInfo().getRegionName(), Bytes.toBytes("BM"));
      TestEndToEndSplitTransaction.blockUntilRegionSplit(
          TEST_UTIL.getConfiguration(), 60000, regionName, true);


      PairOfSameType<HRegionInfo> daughters = MetaReader.getDaughterRegions(meta.get(new Get(regionName)));

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    table.put(new Put(Bytes.toBytes("row1"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v1")));
    table.put(new Put(Bytes.toBytes("row2"))
        .add(TEST_FAMILY, TEST_QUALIFIER, Bytes.toBytes("v2")));
    HBaseAdmin admin = UTIL.getHBaseAdmin();
    admin.split(TEST_TABLE);


    // wait for split
    Thread.sleep(10000);


    ListMultimap<String,TablePermission> postperms =

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