RPC is remote procedure call
/owner/list /owner/create(owner,password) /owner/drop(owner) /owner/password(password) /db/list /db/exist(dbname); /db/size(dbname); /db/create(dbname); /db/drop(dbname); /db/move(dbname,newname); /db/owner(dbowner) /db/dump(taskid,name,destination,label) /db/restore(taskid,source,label,name) /task/list ---> taskid, tasktype, timestart, /task/kill(taskid) /task/status(taskid) ---> status: dumprun, storerun, reportend, mistake