Also, can you provide some information on your OS please?

Thanks again,

Doug

> On Nov 5, 2015, at 3:49 PM, Doug Rohrer <droh...@basho.com> wrote:
> 
> Chris:
> 
> First, I'd like to thank you for going through the effort of identifying the 
> difference that is causing you issues. Narrowing down the change to the 
> Erlang version is incredibly helpful, and I doubt many other people would 
> have found this correlation.
> 
> Second, while several of us from Basho are currently traveling for 
> conferences and some meetings next week, we will definitely look into the 
> changes between -basho5 and -basho6 as they relate to this issue.
> 
> I'll create an issue in our internal tracker that's specific to our patched 
> OTP, but could you create something at https://github.com/basho/riak/issues 
> <https://github.com/basho/riak/issues> so we have somewhere to post 
> information as we work through troubleshooting the issue that you (and 
> others) can see publicly?
> 
> Also, would it be acceptable for me to reach out to you individually to 
> discuss the issue in more detail?
> 
> Thanks,
> 
> Doug Rohrer
> 
> 
> 
>> On Nov 5, 2015, at 3:21 PM, Chris Read <chris.r...@gmail.com 
>> <mailto:chris.r...@gmail.com>> wrote:
>> 
>> Anyone out there?
>> 
>> Here's some more detail on the Erlang builds:
>> 
>> This one works as expected:
>> 
>> sys_system_architecture : <<"x86_64-unknown-linux-gnu">>
>> sys_system_version : <<"Erlang R16B02-basho5 (erts-5.10.3) [source] [64-bit] 
>> [smp:8:8] [async-threads:64] [hipe] [kernel-poll:true]">>
>> 
>> This one has the problem:
>> 
>> sys_system_architecture : <<"x86_64-unknown-linux-gnu">>
>> sys_system_version : <<"Erlang R16B02_basho6 (erts-5.10.3) [source-bcd8abb] 
>> [64-bit] [smp:24:24] [async-threads:64] [kernel-poll:true] [frame-pointer]">>
>> 
>> Chris
>> 
>> 
>> On Tue, Nov 3, 2015 at 12:47 PM, Chris Read <chris.r...@gmail.com 
>> <mailto:chris.r...@gmail.com>> wrote:
>> Greetings all...
>> 
>> We've been building riak from source for a while, but I've had trouble 
>> getting the 2.1 lines built reliably and so would like to revert back to 
>> using the .deb package. The problem I have is that in our test environment 
>> we always manage to max out node_put_fsm_active under sustained write loads, 
>> and they never drop.
>> 
>> When running riak 2.0.4 on R16B02-basho5 (our current prod version) 
>> everything is working as expected. 
>> 
>> Using the .deb package of 2.0.4 pushes us to R16B02_basho6, which is where 
>> we see the problem arrive of node_puts_fsm_active going up and never 
>> dropping back own again, even after the write load stops.
>> 
>> Further testing with the riak 2.0.6 2.1.1 .deb packages (both contain 
>> R16B02_basho8) show the same problem.
>> 
>> Questions I have are:
>> 
>> 1) Anyone else seen this?
>> 2) Is there any way I can see why these FSM's appear to be deadlocked?
>> 
>> Thanks,
>> 
>> Chris
>> 
>> _______________________________________________
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> 

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