COPY Statement Parameters
The CKPT and REQUEUE parameters of the COPY statement also control aspects of the Checkpoint/Restart facility. The following table describes these parameters.
COPY statement parameters
| Parameter | Description |
|---|---|
| CKPT | Specifies the interval IBM® Connect:Direct® uses to record
checkpoint information. IBM Connect:Direct uses this CKPT
value, rounded to the nearest block, in determining how many bytes to transfer before taking
a checkpoint. If you do not specify the Copy statement CKPT parameter, IBM Connect:Direct uses the value specified in the CKPT initialization parameter. Specifying a value of CKPT=0K, disables checkpointing. Be aware of additional overhead associated with specifying too small a checkpoint interval, particularly when transferring large files. Note: When using the TLS 1.3 protocol with the zIIP Exploitation Feature
enabled for file transfer over a secure connection, checkpointing must be enabled for
transferring large data files. TLS 1.3 has a data transfer limit of approximately 274.5 GB
per session. Once this limit is reached, the process enters Timer-Retry mode and restarts
from the last created checkpoint.
|
| REQUEUE | Indicates whether IBM Connect:Direct requeues Processes that end due to an ABEND, such as an Sx37, or enables any subsequent steps to run to Process termination. This parameter is only effective if checkpointing is in use. See the Connect:Direct Process Language help for more information. |