[erlang-questions] Cause heartbeat timeout

[Dmitry Klionsky]

Correction. It was -- the second time.

On 11/08/2017 12:49 PM, Dmitry Klionsky wrote:
> I faced a situation like this two times.
> It was on a 2 CPUs EC2 instances. Heartbeat timeout was 45 secs.
>
> The first offender was zlib:gzip/1 and ~1GB file, the other was ++ 
> over two long lists. Both operations took about 1 min to complete.
>
> My explanation is the heart's erlang part can't send the heartbeat to 
> the heart port in time because
> either the scheduler it's bound to is busy or port I/O is busy/congested.
>
> Hope this helps.
>
> On 11/08/2017 10:13 AM, Dmitry Kolesnikov wrote:
>> Hello,
>>
>> I am trying to debug an issue of node termination by heartbeat 
>> timeout and its recovery. I am looking for advice about the 
>> reproduction of heartbeat timeout in controlled environment. What is 
>> the best approach to freeze Erlang node?
>>
>> Best Regards,
>> Dmitry
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>

-- 
BR,
Dmitry