What volume of requests are you getting before it stalls? You shouldn’t see the A4D_HTTPD_RequestHandler processes on the Windows server at all. They should only be on the client.
All the best, - Aparajita > On Apr 20, 2017, at 7:09 AM, Perkins, Bradley D <bperk...@lanl.gov> wrote: > > Yes, the Mac Mini is the client that is the Active4D web server. Initially > we were having 'sleep' problems caused by Apple's built in power saving > settings. I've resolved those. > > I just arrived at work and can see that problems started ~4 am local time. > It is still down. I do have debug logging on and am going to look at those > shortly. I'll send you anything notable. I also want to see if I can > correlate any problems with incoming HTTPD requests from the Apache logs. > > The many A4D_HTTPD_RequestHandler processes were observed on the Windows > server. With the way our web client user interface is programmed it is > difficult to get to the Runtime environment but I'm going to try that too. > > re: Did you update the A4D_NTKConfig list? I had another developer work on > this. I'll need to find out if he did. > > Thanks, > > Brad > > On 4/19/17, 5:34 PM, "Active4D-dev on behalf of Aparajita Fishman" > <active4d-dev-boun...@aparajitaworld.com on behalf of > aparaj...@aparajita.com> wrote: > >> Just to be clear, the Mac Mini is a client that is the Active4D web >> server? >> >> Have you turned on Active4D debug logging and looked for anything >> suspicious in the log? >> >> When you say that many A4D_HTTPD_RequestHandler processes were on the >> server, you mean the Mac Mini or the Windows server? >> >> Did you update the A4D_NTKConfig list? >> >> All the best, >> >> - Aparajita >> >>> On Apr 19, 2017, at 11:30 AM, Perkins, Bradley D <bperk...@lanl.gov> >>> wrote: >>> >>> I noticed something else: >>> >>> On the production server the A4D_HouseKeeper process was of type "4D >>> Client Database Process" yet on development it was type "4D Client >>> Process". >>> When I relaunched the production server there is no A4D_HouseKeeper at >>> all. >>> >>> Brad >>> >>> From: Brad Perkins <bperk...@lanl.gov<mailto:bperk...@lanl.gov>> >>> Date: Wednesday, April 19, 2017 at 12:16 PM >>> To: >>> "Active4D-dev@aparajitaworld.com<mailto:Active4D-dev@aparajitaworld.com>" >>> >>> <Active4D-dev@aparajitaworld.com<mailto:Active4D-dev@aparajitaworld.com>> >>> Subject: Active4D Slowdown then Stall (weird A4D_HTTPD_RequestHandler_* >>> behavior) >>> >>> We upgraded a long running A4D-based system late last week and are >>> noticing that Active4D will eventually become unresponsive. We can't >>> serve for more than a day and web apps have been unresponsive the last >>> two mornings. The old system would run for a long time without fail. >>> >>> We went from >>> 4D 14.2 to 4D15.4 >>> Active4D running on OS 10.11.latest to OS 10.12.4 (Sierra) >>> Active4D is behind Apache. The Mac is a "client". Server runs on >>> Windows. >>> Replaced a 6+ year old Xserve with a Mac Mini (16 GB RAM) >>> Upgraded to latest Active4D and latest NTK w/ necessary changes to >>> Shell Code. >>> >>> Admittedly a lot of changes, but this update was mandated by >>> institutional cybersecurity group (Sierra was required). Sierra would >>> not install on the Xserves. 15.4 is the only version close to certified >>> for Sierra. >>> >>> When this occurs I find: >>> (a) Apache can still serve static content fine. >>> (b) 4D is still running and responsive to user input. >>> (c) I can see many A4D_HTTPD_RequestHandler_* processes on the server. >>> Many are of type "4D Client Database Process" with num "0" and State >>> "Running". That doesn't seem right to me. >>> I'm currently observing both our production and development servers now >>> and neither show any "4D Client Database Process" processes. I can force >>> the creation of new processes by using ApacheBench to make many >>> concurrent calls. All of the new process are client processes. >>> >>> Can anyone suggest how those "4D Client Database Process" are being >>> created? >>> >>> Thanks, >>> >>> Brad Perkins >>> >>> >>> >>> >>> _______________________________________________ >>> Active4D-dev mailing list >>> Active4D-dev@aparajitaworld.com >>> http://list.aparajitaworld.com/listinfo/active4d-dev >>> Archives: http://active4d-nabble.aparajitaworld.com/ >> >> _______________________________________________ >> Active4D-dev mailing list >> Active4D-dev@aparajitaworld.com >> http://list.aparajitaworld.com/listinfo/active4d-dev >> Archives: http://active4d-nabble.aparajitaworld.com/ > > _______________________________________________ > Active4D-dev mailing list > Active4D-dev@aparajitaworld.com > http://list.aparajitaworld.com/listinfo/active4d-dev > Archives: http://active4d-nabble.aparajitaworld.com/ _______________________________________________ Active4D-dev mailing list Active4D-dev@aparajitaworld.com http://list.aparajitaworld.com/listinfo/active4d-dev Archives: http://active4d-nabble.aparajitaworld.com/
