public static int createPreSplitLoadTestTable(Configuration conf, TableName tableName,
    byte[] columnFamily, Algorithm compression, DataBlockEncoding dataBlockEncoding)
    throws IOException {
    return createPreSplitLoadTestTable(conf, tableName, columnFamily, compression,
      dataBlockEncoding, DEFAULT_REGIONS_PER_SERVER, 1, Durability.USE_DEFAULT);
  }
Creates a pre-split table for load testing. If the table already exists, logs a warning and
continues.
@return the number of regions the table was split into
hbase-diagnostics/src/main/java/org/apache/hadoop/hbase/util/LoadTestUtil.java