Can you share your spark / mesos configurations and the spark job? I'd like to 
repro it.

Tim

> On Aug 20, 2014, at 12:39 PM, Cody Koeninger <c...@koeninger.org> wrote:
> 
> I'm seeing situations where starting e.g. a 4th spark job on Mesos results in 
> none of the jobs making progress.  This happens even with  --executor-memory 
> set to values that should not come close to exceeding the availability per 
> node, and even if the 4th job is doing something completely trivial (e.g. 
> parallelize 1 to 10000 and sum).  Killing one of the jobs typically allows 
> the others to start proceeding.
> 
> While jobs are hung, I see the following in mesos master logs:
> 
> I0820 19:28:02.651296 24666 master.cpp:2282] Sending 7 offers to framework 
> 20140820-170154-1315739402-5050-24660-0020
> I0820 19:28:02.654502 24668 master.cpp:1578] Processing reply for offers: [ 
> 20140820-170154-1315739402-5050-24660-96624 ] on slave 
> 20140724-150750-1315739402-5050-25405-6 (dn-04) for framework 
> 20140820-170154-1315739402-5050-24660-0020
> I0820 19:28:02.654722 24668 hierarchical_allocator_process.hpp:590] Framework 
> 20140820-170154-1315739402-5050-24660-0020 filtered slave 
> 20140724-150750-1315739402-5050-25405-6 for 1secs
> 
> Am I correctly interpreting that to mean that spark is being offered 
> resources, but is rejecting them?  Is there a way (short of patching spark to 
> add more logging) to figure out why resources are being rejected?
> 
> This is on the default fine-grained mode.
> 

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