LSB_NUM_NIOS_CALLBACK_THREADS=integer
Specifies the number of callback threads to use for batch queries.
If your cluster runs a large amount of blocking mode (bsub -K) and interactive jobs (bsub -I), response to batch queries can become very slow. If you run large number of bsub -I or bsub -K jobs, you can define the threads to the number of processors on the master host.
Not defined