Hi Q1:In Doc put "Notice that only one server can run the job engine(“all” mode or “job” mode)"
--> How many 'All' servers can you have? Q2: what is the diference betten: Query + Engine and Engine Q3: Is this automatic load balanced? BR, Alberto 2016-08-03 4:14 GMT+02:00 张天生 <[email protected]>: > Hi ShaoFeng: > > Yes, when i deployed all nodes as "all" mode, it worked fine. > > ShaoFeng Shi <[email protected]>于2016年8月2日周二 下午10:54写道： > >> Hi Tiansheng, >> >> Thanks for the reporting; In 1.5.3 there is some code refactoring, but >> the cluster deployment method didn't change: only one node be "all" and >> others be "query". For the error message "scheduler has not been >> started" in query node, it is a defect (will create a JIRA for that), but >> that doesn't impact the function. >> >> For the second case: making all nodes as "all", there should be only 1 >> running the job engine, others saying "fail to acquire lock, scheduler >> has not been started", is that true in your case? Because the zookeeper >> is used as a lock to avoid two job engines be started. >> >> 2016-08-02 20:43 GMT+08:00 张天生 <[email protected]>: >> >>> Btw, i deployed the newest version kylin 1.5.3 version. >>> >>> 张天生 <[email protected]>于2016年8月2日周二 下午8:41写道： >>> >>>> I deployed kylin in cluster mode. There are 1 "all" server and 2 >>>> "query" servers. When i started query server, the following error log >>>> appeared: >>>> >>>> 2016-08-02 20:26:55,855 INFO [Thread-11] threadpool.DefaultScheduler:178 >>>> : server mode: query, no need to run job scheduler >>>> 2016-08-02 20:26:55,856 ERROR [Thread-11] controller.JobController:91 : >>>> scheduler has not been started >>>> 2016-08-02 20:26:56,856 ERROR [Thread-11] controller.JobController:91 : >>>> scheduler has not been started >>>> 2016-08-02 20:26:57,856 ERROR [Thread-11] controller.JobController:91 : >>>> scheduler has not been started >>>> 2016-08-02 20:26:58,856 ERROR [Thread-11] controller.JobController:91 : >>>> scheduler has not been started >>>> 2016-08-02 20:26:59,857 ERROR [Thread-11] controller.JobController:91 : >>>> scheduler has not been started >>>> >>>> However, when i deployed 3 server in "all" kylin.server.mode, it >>>> worked fine. But offical document said it only one server can run the >>>> job engine(“all” mode or “job” mode), the others must all be “query” mode.I >>>> don't know why, can someone tell me the resson? >>>> >>>> >> >> >> -- >> Best regards, >> >> Shaofeng Shi >> >>
