17.10 - Determining Maximum Parcel Request Size - Call-Level Interface Version 2

Teradata® Call-Level Interface Version 2 Reference for Workstation-Attached Systems

Product
Call-Level Interface Version 2
Release Number
17.10
Release Date
October 2021
Content Type
Programming Reference
Publication ID
B035-2418-061K
Language
English (United States)
Maximum parcel size is determined by which of the two parcel header formats is used. The maximum lengths are as shown below:
  • When maximum_parcel is 'O':

    - buffer size limit: ~32KB

  • When maximum_parcel is 'H:'

    - buffer size limit: ~64KB (APH-requests is 0)

  • When maximum_parcel is 'H:'

    - buffer size limit: ~1MB (APH-requests is non-zero)