On Wednesday, July 26, 2017 at 7:41:58 AM UTC-7, Brendan Fox wrote:
>
> So I've noticed that every few days my scheduler task appears to be 
> frozen.  New tasks are put into the queue, but are not being processed. 
>  When I look at the status of the single worker process in the system the 
> db.scheduler_worker.status = 'PICK'.
> I don't see this in the web2py docs anywhere.  What does this state mean 
> and how could a scheduler process get stuck in this state?  The only way 
> I've recovered is to restart the framework.
> Thanks
>
>
Roughly speaking, this indicates that you're in the middle of assigning a 
worker to a task (for a detailed answer, look in gluon/scheduler.py). 

I have never seen my scheduler get stuck in that state, so I can't tell you 
much about it.  (The scheduler works very well for me, but I have simple 
needs.)


I think we need more information:

What OS is the server running on?
What database engine are you using?
What is the overall load on your server?
Are there error messages in the scheduler_run table?
How many queued tasks are shown in the scheduler_task table?
If you're not using the defaults, how many workers and how many groups?

/dps


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