Ejemplo n.º 1
0
  private void runTestOnTable(HTable table)
      throws IOException, InterruptedException, ClassNotFoundException {
    Job job = null;
    try {
      LOG.info("Before map/reduce startup");
      job = new Job(table.getConfiguration(), "process column contents");
      job.setNumReduceTasks(1);
      Scan scan = new Scan();
      scan.addFamily(INPUT_FAMILY);
      TableMapReduceUtil.initTableMapperJob(
          Bytes.toString(table.getTableName()),
          scan,
          ProcessContentsMapper.class,
          ImmutableBytesWritable.class,
          Put.class,
          job);
      TableMapReduceUtil.initTableReducerJob(
          Bytes.toString(table.getTableName()), IdentityTableReducer.class, job);
      FileOutputFormat.setOutputPath(job, new Path("test"));
      LOG.info("Started " + Bytes.toString(table.getTableName()));
      assertTrue(job.waitForCompletion(true));
      LOG.info("After map/reduce completion");

      // verify map-reduce results
      verify(Bytes.toString(table.getTableName()));
    } finally {
      table.close();
      if (job != null) {
        FileUtil.fullyDelete(new File(job.getConfiguration().get("hadoop.tmp.dir")));
      }
    }
  }
Ejemplo n.º 2
0
 public H2MetaTable(Database database) throws Exception {
   createTableIfNotExists();
   this.database = database;
   table = new HTable(HBaseUtils.getConfiguration(), TABLE_NAME);
   watcher = new ZooKeeperWatcher(table.getConfiguration(), "H2MetaTableWatcher", this);
   tracker = new H2MetaTableTracker(watcher, this);
   tracker.start();
 }
Ejemplo n.º 3
0
 public static void loadTable(HTable table, String path)
     throws IOException, ClassNotFoundException, InterruptedException, Exception {
   LoadIncrementalHFiles loader = new LoadIncrementalHFiles(table.getConfiguration());
   loadTable(table, loader, path);
 }
Ejemplo n.º 4
0
 public static Map<String, HRegionContent> getRegionMap(HTable table) throws Exception {
   Configuration conf = table.getConfiguration();
   HBaseAdmin admin = new HBaseAdmin(conf);
   Map<String, HRegionContent> resultMap = getRegionMap(table, admin);
   return resultMap;
 }