The load balancer is available in the NGINX package. To load balance multiple instances of the log receiver, you must enable the NGINX. See Enabling log receiver load balancing.

You can add multiple log receiver instances in the unravel.yaml file.

For more information, see Configuring log receiver load balancing.

When one LR instance fails, other nodes continue processing messages.

Yes, the load balancer supports when LR authentication with TLS enabled is configured.