worker.exec.threads 100 int worker execute thread num worker.heartbeat.interval 10 int worker heartbeat interval worker.max.cpuload.avg 100 int only less than cpu avg load, worker server can work. default value : the number of cpu cores * 2 worker.reserved.memory 0.3 only larger than reserved memory, worker server can work. default value : physical memory * 1/10, unit is G. worker.listen.port 1234 int worker listen port worker.groups default default worker group worker.weigth 100 int worker weight