4363 ndb_redo_log_reader — Check and Print Content of Cluster Redo Log the pattern  ndb_ nodeid _fs/D # /DBLQH/S # .FragLog .  nodeid  is the data node’s node ID. The two instances of  #  each represent a number (not necessarily the same number); the number following  D is in the range 8-39 inclusive; the range of the number following  S  varies according to the value of the NoOfFragmentLogFiles  configuration parameter, whose default value is 16; thus, the default range of the number in the file name is 0-15 inclusive. For more information, see NDB Cluster Data Node File System Directory. The name of the file to be read may be followed by one or more of the options listed here: • -dump -filedescriptors : Print file descriptors only. --help : Print usage information. • -lap -mbyte  # : Starting megabyte. #  is an integer in the range 0 to 15, inclusive. -mbyteheaders : Show only the first page header of every megabyte in the file. • Command-Line Format -mbyteheaders Type Boolean Default Value FALSE • Command-Line Format -mbyte # Type Numeric Default Value 0 Minimum Value 0 Maximum Value 15 Provide lap info, with max GCI started and completed. Command-Line Format -dump Type Boolean Default Value FALSE Print dump info. • Command-Line Format -filedescriptors Type Boolean Default Value FALSE • Command-Line Format --help Command-Line Format -lap Type Boolean Default Value FALSE