On Mon, Jul 1, 2013 at 5:08 PM, Senaka Fernando <[email protected]> wrote:
> Hi all, > > Is it possible to obtain a scheduled thread pool executor from the > CarbonContext? I see a few benefits of doing that. > > 1. Naming threads on a tenant-basis, making it easier to debug a MT setup. > 2. Being able to get more control over the thread creation/consumption > processes in the future. > +1. and We should prevent tenant users (webapps, etc) from accessing this.. thanks, > > WDYT? > > Thanks, > Senaka. > > > On Wed, Jun 19, 2013 at 11:52 PM, Nirmal Fernando <[email protected]> wrote: > >> +1, this would be very useful. >> >> Sent via my mobile >> -- Nirmal -- >> On Jun 19, 2013 8:55 PM, "Srinath Perera" <[email protected]> wrote: >> >>> We need to name our thread pools, specially in Carbon. There may be >>> some we cannot name in Tomcat, but what we can, we should. This will save >>> lot of time when we have to debug thread related issues. (e.g. Thread leak, >>> with names it is very easy to detect which one is leaking). >>> >>> I will create a redmine. >>> >>> You can name threads as follows. >>> >>> 1) You can pass your own ThreadFactory to ScheduledThreadPoolExecutor. >>> Your ThreadFactory will create thread and can give it any name you want. >>> Your ThreadFactory can also reuseExecutors.defaultThreadFactory(), and only >>> change the name before returning the thread. >>> >>> e.g. following will do >>> >>> public class NamedThreadFactory implements ThreadFactory{ >>> >>> final ThreadFactory factory = Executors.defaultThreadFactory(); >>> >>> AtomicInteger count = new AtomicInteger(); >>> >>> @Override >>> >>> public Thread newThread(Runnable r) { >>> >>> Thread thread = factory.newThread(r); >>> >>> thread.setName("MyThreadName-"+count.incrementAndGet()); >>> >>> return thread; >>> >>> } >>> >>> } >>> >>> 2) If you have Guvava, then you can use ThreadFactoryBuilder >>> >>> See >>> http://stackoverflow.com/questions/5740478/how-to-name-the-threads-of-a-thread-pool-in-java >>> >>> >>> ============================ >>> Srinath Perera, Ph.D. >>> Director, Research, WSO2 Inc. >>> Visiting Faculty, University of Moratuwa >>> Member, Apache Software Foundation >>> Research Scientist, Lanka Software Foundation >>> Blog: http://srinathsview.blogspot.com/ >>> Photos: http://www.flickr.com/photos/hemapani/ >>> Phone: 0772360902 >>> >>> _______________________________________________ >>> Architecture mailing list >>> [email protected] >>> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >>> >>> >> _______________________________________________ >> Architecture mailing list >> [email protected] >> https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture >> >> > > > -- > *Senaka Fernando* > Member - Integration Technologies Management Committee; > Technical Lead; WSO2 Inc.; http://wso2.com* > Member; Apache Software Foundation; http://apache.org > > E-mail: senaka AT wso2.com > **P: +1 408 754 7388; ext: 51736*; *M: +94 77 322 1818 > Linked-In: http://linkedin.com/in/senakafernando > > *Lean . Enterprise . Middleware > > _______________________________________________ > Architecture mailing list > [email protected] > https://mail.wso2.org/cgi-bin/mailman/listinfo/architecture > > -- Supun Malinga, Senior Software Engineer, WSO2 Inc. http://wso2.com http://wso2.org email - [email protected] <[email protected]> mobile - 071 56 91 321
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