protected void batchUpdate(DeleteBuffer kvBuff, boolean flushCommits) throws HiveException {
      try {

        HTable htable = HTableFactory.getHTable(configMap);
        // Disable auto flush when specified so in the config map
        if (disableAutoFlush) htable.setAutoFlushTo(false);

        // Overwrite the write buffer size when config map specifies to do so
        if (writeBufferSizeBytes > 0) htable.setWriteBufferSize(writeBufferSizeBytes);
        System.out.println("deleting" + kvBuff.deleteList + "size" + kvBuff.deleteList.size());
        if (flushCommits) htable.flushCommits();
        numDeleteRecords += kvBuff.deleteList.size();
        if (kvBuff.deleteList.size() > 0)
          LOG.info(
              " Doing Batch Delete "
                  + kvBuff.deleteList.size()
                  + " records; Total delete records = "
                  + numDeleteRecords
                  + " ; Start = "
                  + (new String(kvBuff.deleteList.get(0).getRow()))
                  + " ; End = "
                  + (new String(kvBuff.deleteList.get(kvBuff.deleteList.size() - 1).getRow())));
        else LOG.info(" Doing Batch Delete with ZERO 0 records");

        getReporter()
            .getCounter(BatchDeleteUDAFCounter.NUMBER_OF_SUCCESSFUL_DELETES)
            .increment(kvBuff.deleteList.size());
        getReporter().getCounter(BatchDeleteUDAFCounter.NUMBER_OF_BATCH_OPERATIONS).increment(1);
        htable.delete(kvBuff.deleteList);
        kvBuff.deleteList.clear();
      } catch (IOException e) {
        throw new HiveException(e);
      }
    }
  @Test
  public void insert_rowkey_prefix_date() throws IOException {

    System.out.println(errorTable);
    errorTable.setAutoFlushTo(false);
    List<Put> puts = new ArrayList<Put>();
    long t1 = System.currentTimeMillis();
    for (int i = 0; i < 10000000; i++) {
      String uuid = UUID.randomUUID().toString().replaceAll("-", "").substring(0, 8);
      Put put = new Put(Bytes.toBytes("20150705" + "_" + uuid));
      put.add(
          fBytes,
          Bytes.toBytes("stacktrace"),
          Bytes.toBytes("java.io.IOException:file not found" + UUID.randomUUID().toString()));
      //            puts.add(put);
      errorTable.put(put);
      if (i % 10000 == 0) {
        errorTable.flushCommits();
      }
    }
    errorTable.flushCommits();
    long t2 = System.currentTimeMillis();
    System.out.println("count=" + puts.size() + ",t2-t1=" + (t2 - t1));
    //        errorTable.close();
  }