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 <[email protected]<mailto:[email protected]>> Date: Wednesday, April 19, 2017 at 12:16 PM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> 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 [email protected] http://list.aparajitaworld.com/listinfo/active4d-dev Archives: http://active4d-nabble.aparajitaworld.com/
