public static int createPreSplitLoadTestTable(Configuration conf, TableDescriptor desc,
    ColumnFamilyDescriptor[] hcds, int numRegionsPerServer) throws IOException {
    return createPreSplitLoadTestTable(conf, desc, hcds, new RegionSplitter.HexStringSplit(),
      numRegionsPerServer);
  }
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-testing-util/src/main/java/org/apache/hadoop/hbase/HBaseTestingUtility.java