On Tuesday, September 30, 2014 3:42:41 PM UTC+2, Pengfei Yu wrote: > Hi Simone, > > Thanks for your reply. I used the solution from the web2py document site: > http://www.web2py.com/books/default/chapter/29/13/deployment-recipes, in > section "Start the scheduler as a Linux service (upstart)". After I started > it, the status check (sudo status web2py-scheduler) shows that it is > already started: > ubuntu@ip-172-31-41-2:~$ sudo status web2py-scheduler > web2py-scheduler start/running, process 16262 > > > Interesting thing is that when I restart web2py-scheduler again, it works > out. The previous worker didn't show up in the db_scheduler_worker table > but the current one shows up. > > well, solutions are "ready to use" but to check nonetheless ^_^'
> May I have another question? We are planning to use the power of > distributed system cluster with multiple EC2 instances for this project. > May I ask if the tasks in the scheduler just use different thread in a CPU > or it can also be designed to use different cores or nodes with multiple > processors? (From this post: > https://groups.google.com/forum/#!topic/web2py/WlhvelFu8-Q, it seems the > scheduler can be adapted for multiple cores). And if that is the case, is > there any special design on web2py scheduler itself for the communication > between master instance and others? > > each scheduler instance is a process. there's no piece of code in earth (in any programming language) that'll make a program go on a specific processor: that's something only the underlying operating system manages. The only communication needed is the connection to the db. -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
