> > For larger, more congested fabrics, a larger ACK timer is needed. > > Consumers can still change default with environment variable > > DAPL_ACK_TIMER if they need to increase or decrease. > > > > This applies to SCM and UCM providers only. The CMA provider, which > > uses rdma_cm, has no way to control ack timer with current API. > > The rdma_cm uses the path lifetime to determine the QP timeout value. > The path record can be manipulated by the user when calling > rdma_create_ep().
I stand corrected. I guess I should have said "has no direct way". Yes, a user can modify path lifetime via rdma_create_ep() but there is no way for the user to know how much that will be manipulated and increased in the IB CM driver. _______________________________________________ ofw mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ofw
