workerAdminServer=cmdWorker.Flag.String("admin","localhost:23646","admin server address")
workerCapabilities=cmdWorker.Flag.String("capabilities","vacuum,ec,remote,replication,balance","comma-separated list of task types this worker can handle")
workerCapabilities=cmdWorker.Flag.String("capabilities","ec_vacuum,erasure_coding","comma-separated list of task types this worker can handle")
workerMaxConcurrent=cmdWorker.Flag.Int("maxConcurrent",2,"maximum number of concurrent tasks")