public static int getBytesPerChecksum(Configuration conf) {
    return conf.getInt(HConstants.BYTES_PER_CHECKSUM, HFile.DEFAULT_BYTES_PER_CHECKSUM);
  }
Returns the configured bytesPerChecksum value.
@param conf The configuration
@return The bytesPerChecksum that is set in the configuration
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreUtils.java