-Re: Cyclic dependency in JobControl job DAG
Vinod Kumar Vavilapalli 2012-06-25, 18:13
+1, can you please open a JIRA ticket (at https://issues.apache.org/jira/browse/MAPREDUCE) and attach a patch?
On Jun 25, 2012, at 6:53 AM, Robert Evans wrote:
> I personally think it is useful. I would say contribute it.
> (Moved common-dev to bcc, we try not to cross post on these lists)
> --Bobby Evans
> On 6/25/12 3:37 AM, "madhu phatak" <[EMAIL PROTECTED]> wrote:
> In current implementation of JobControl, whenever there is a cyclic
> dependency between the jobs it throws a Stack overflow exception .
> For example,
> ControlledJob job1 = new ControlledJob(new Configuration());
> ControlledJob job2 = new ControlledJob(new Configuration());
> JobControl jobControl = new JobControl("jobcontrol");
> at java.util.ArrayList.get(ArrayList.java:322)
> Whenever we write complex application, there is always possibility of
> cyclic dependencies.I have written a method which checks for the cyclic
> dependency upfront and informs it to the user. I want to know from you
> guys, do you think is it a useful feature? If yes I can contribute it as a
> Madhukara Phatak