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From Thomas Gerber <thomas.ger...@radius.com>
Subject Re: Driver disassociated
Date Thu, 05 Mar 2015 23:54:00 GMT
Thanks.
I was already setting those (and I checked they were in use through the
environment tab in the UI).

They were set at 10 times their default value: 60000 and 10000 respectively.

I'll start poking at spark.shuffle.io.retryWait.
Thanks!

On Wed, Mar 4, 2015 at 7:02 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> See this thread:
> https://groups.google.com/forum/#!topic/akka-user/X3xzpTCbEFs
>
> Here're the relevant config parameters in Spark:
>     val akkaHeartBeatPauses = conf.getInt("spark.akka.heartbeat.pauses",
> 6000)
>     val akkaHeartBeatInterval =
> conf.getInt("spark.akka.heartbeat.interval", 1000)
>
> Cheers
>
> On Wed, Mar 4, 2015 at 4:09 PM, Thomas Gerber <thomas.gerber@radius.com>
> wrote:
>
>> Also,
>>
>> I was experiencing another problem which might be related:
>> "Error communicating with MapOutputTracker" (see email in the ML today).
>>
>> I just thought I would mention it in case it is relevant.
>>
>> On Wed, Mar 4, 2015 at 4:07 PM, Thomas Gerber <thomas.gerber@radius.com>
>> wrote:
>>
>>> 1.2.1
>>>
>>> Also, I was using the following parameters, which are 10 times the
>>> default ones:
>>> spark.akka.timeout 1000
>>> spark.akka.heartbeat.pauses 60000
>>> spark.akka.failure-detector.threshold 3000.0
>>> spark.akka.heartbeat.interval 10000
>>>
>>> which should have helped *avoid* the problem if I understand correctly.
>>>
>>> Thanks,
>>> Thomas
>>>
>>> On Wed, Mar 4, 2015 at 3:21 PM, Ted Yu <yuzhihong@gmail.com> wrote:
>>>
>>>> What release are you using ?
>>>>
>>>> SPARK-3923 went into 1.2.0 release.
>>>>
>>>> Cheers
>>>>
>>>> On Wed, Mar 4, 2015 at 1:39 PM, Thomas Gerber <thomas.gerber@radius.com
>>>> > wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> sometimes, in the *middle* of a job, the job stops (status is then
>>>>> seen as FINISHED in the master).
>>>>>
>>>>> There isn't anything wrong in the shell/submit output.
>>>>>
>>>>> When looking at the executor logs, I see logs like this:
>>>>>
>>>>> 15/03/04 21:24:51 INFO MapOutputTrackerWorker: Doing the fetch;
>>>>> tracker actor = Actor[akka.tcp://sparkDriver@ip-10-0-10-17.ec2.internal
>>>>> :40019/user/MapOutputTracker#893807065]
>>>>> 15/03/04 21:24:51 INFO MapOutputTrackerWorker: Don't have map outputs
>>>>> for shuffle 38, fetching them
>>>>> 15/03/04 21:24:55 ERROR CoarseGrainedExecutorBackend: Driver
>>>>> Disassociated [akka.tcp://sparkExecutor@ip-10-0-11-9.ec2.internal:54766]
>>>>> -> [akka.tcp://sparkDriver@ip-10-0-10-17.ec2.internal:40019]
>>>>> disassociated! Shutting down.
>>>>> 15/03/04 21:24:55 WARN ReliableDeliverySupervisor: Association with
>>>>> remote system [akka.tcp://sparkDriver@ip-10-0-10-17.ec2.internal:40019]
>>>>> has failed, address is now gated for [5000] ms. Reason is: [Disassociated].
>>>>>
>>>>> How can I investigate further?
>>>>> Thanks
>>>>>
>>>>
>>>>
>>>
>>
>

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