On Tuesday, August 12, 2014 9:59:54 AM UTC-7, Brian Craft wrote:
>
>
>
> On Monday, August 11, 2014 10:08:09 PM UTC-7, Jeremy Heiler wrote:
>>
>> On Mon, Aug 11, 2014 at 3:07 PM, Brian Craft <craft...@gmail.com> wrote:
>>
>>> Two questions, really. I'm running large batch jobs with an agent. The 
>>> jobs may fail in any number of unanticipated ways (due to user input), so I 
>>> do a try/catch in the agent, log any errors, and continue with the next job.
>>>
>>> First question: how to deal with OOM (the Xmx limit, not the OS out of 
>>> mem)? The try/catch doesn't appear to help, here. The agent dies, and all 
>>> subsequent jobs never run. Is there some way to prevent or recover from 
>>> this?
>>>
>>
>> Once it has happened, I don't think there's much you can do to save the 
>> process. I'd suggest that you figure out where you're improperly managing 
>> memory by throwing a profiler at it.
>>
>
> Profiling is not going to change user behavior: users can give us inputs 
> too large for their systems. If we can't recover from it, then we need to 
> predict the event and abort. Perhaps we could monitor heap usage in another 
> thread, and shut down the agent if it goes past some fraction. But there 
> doesn't appear to be any mechanism for shutting down an agent. Maybe the 
> agent action could stash the thread id in an atom, and a watcher thread 
> could shut it down somehow.
>

http://docs.oracle.com/javase/1.5.0/docs/guide/misc/threadPrimitiveDeprecation.html

Hm... from this doc it appears that maybe the thing to do is implement a 
"please stop" atom that the agent action would check periodically.

-- 
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your 
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en
--- 
You received this message because you are subscribed to the Google Groups 
"Clojure" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to clojure+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to