HCCL_RDMA_SL

Description

Sets the service level (SL) of the RDMA NIC. The value must be the same as the PFC priority set for the NIC. Otherwise, performance may deteriorate.

The value of this environment variable must be an integer. The value range is [0,7]. The default value is 4.

Example

# Set the priority to 3.
export HCCL_RDMA_SL=3

Restrictions

None

Applicability

Atlas Training Series Product