LFTBL parameter

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Length of FTBL


Default value
Parameter type
Where set
On user's parameter line or reset by UTABLE command
Related products
Model 204 V2.2 or earlier


The size of FTBL in bytes

FTBL is used for file groups.

  • The minimum value of LFTBL is 4 * nGroup, where nGroup is the value of the NGROUP parameter.
  • The maximum value is 30,473,403
  • In addition to the reserved nGroup bytes in FTBL, each open group requires 62 + 2 * nFilesInGroup, where nFilesInGroup is the number of files in the group.
  • In addition to those storage requirements in FTBL, each group field referenced in a SOUL request requires additional space in FTBL.

Refer to UTABLE: Setting the server size for a discussion of changing the size of LFTBL.