Crash Error

Sean Cribbs sean at basho.com
Wed Mar 4 11:14:26 EST 2015


Are there any other significant error messages in the logs? I find it hard
to believe that that specific crash would make your cluster unusable.

On Wed, Mar 4, 2015 at 10:07 AM, Jason Ryan <jason.ryan at trustev.com> wrote:

> This is what we have on our haproxy right now:
>
> backend riak_rest_backend
>         mode               http
>         option             httplog
>         balance            roundrobin
>         option             httpchk GET /ping
>         server EU-RIAK-5 10.0.4.12:8098 weight 1 maxconn 1024  check
>         server EU-RIAK-6 10.0.4.13:8098 weight 1 maxconn 1024  check
>         server EU-RIAK-7 10.0.4.14:8098 weight 1 maxconn 1024  check
>         server EU-RIAK-8 10.0.4.15:8098 weight 1 maxconn 1024  check
>         server EU-RIAK-9 10.0.4.16:8098 weight 1 maxconn 1024  check
>>
>
>
> [image: photo]
> *Jason Ryan*
> VP Engineering
>
> Trustev
> Real Time, Online Identity Verification
>
> email: jason.ryan at trustev.com
> skype: jason_j_ryan
> web: www.trustev.com
>
> Trustev Ltd, 2100 Cork Airport Business Park, Cork, Ireland.
>
> On 4 March 2015 at 15:58, Sean Cribbs <sean at basho.com> wrote:
>
>> We recently saw this on the PB interface as well and have mitigated it
>> [1], but we have not addressed it on HTTP. In the meantime, I would
>> recommend changing your health check to use a regular request, for example:
>>
>> option httpchk /ping
>>
>> [1] https://github.com/basho/riak_api/pull/54
>>
>> On Wed, Mar 4, 2015 at 9:46 AM, Jason Ryan <jason.ryan at trustev.com>
>> wrote:
>>
>>> Hi Sean - yes we are using HAProxy - and there are health checks.
>>>
>>> [image: photo]
>>> *Jason Ryan*
>>> VP Engineering
>>>
>>> Trustev
>>> Real Time, Online Identity Verification
>>>
>>> email: jason.ryan at trustev.com
>>> skype: jason_j_ryan
>>> web: www.trustev.com
>>>
>>> Trustev Ltd, 2100 Cork Airport Business Park, Cork, Ireland.
>>>
>>> On 4 March 2015 at 15:41, Sean Cribbs <sean at basho.com> wrote:
>>>
>>>> Are you using a load balancer in front of Riak, like HAProxy, with
>>>> health checks turned on?
>>>>
>>>> On Wed, Mar 4, 2015 at 7:24 AM, Jason Ryan <jason.ryan at trustev.com>
>>>> wrote:
>>>>
>>>>> Hi all,
>>>>>
>>>>> We're getting the following crash report messages in the log very
>>>>> regularly in the last day - it renders our Riak Cluster pretty much
>>>>> unusable - until we restart Riak on each node. All nodes report the same
>>>>> type of error.
>>>>>
>>>>> 2015-03-04 13:17:43.106 [error] <0.31063.9> CRASH REPORT Process
>>>>> <0.31063.9> with 0 neighbours crashed with reason: no function clause
>>>>> matching webmachine_request:peer_from_peername({error,enotconn},
>>>>> {webmachine_request,{wm_reqstate,#Port<0.89869>,[],undefined,undefined,undefined,{wm_reqdata,'GET',...},...}})
>>>>> line 150
>>>>>
>>>>>
>>>>> Anyone seen this before, know what the cause might be?
>>>>>
>>>>> Thanks,
>>>>> Jason
>>>>>
>>>>> [image: photo]
>>>>> *Jason Ryan*
>>>>> VP Engineering
>>>>>
>>>>> Trustev
>>>>> Real Time, Online Identity Verification
>>>>>
>>>>> email: jason.ryan at trustev.com
>>>>> skype: jason_j_ryan
>>>>> web: www.trustev.com
>>>>>
>>>>> Trustev Ltd, 2100 Cork Airport Business Park, Cork, Ireland.
>>>>>
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>>>>> Ireland.
>>>>>
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>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Sean Cribbs <sean at basho.com>
>>>> Sr. Software Engineer
>>>> Basho Technologies, Inc.
>>>> http://basho.com/
>>>>
>>>
>>>
>>> This message is for the named person's use only. If you received this
>>> message in error, please immediately delete it and all copies and notify
>>> the sender. You must not, directly or indirectly, use, disclose,
>>> distribute, print, or copy any part of this message if you are not the
>>> intended recipient. Any views expressed in this message are those of the
>>> individual sender and not Trustev Ltd. Trustev is registered in Ireland
>>> No. 516425 and trades from 2100 Cork Airport Business Park, Cork, Ireland.
>>>
>>
>>
>>
>> --
>> Sean Cribbs <sean at basho.com>
>> Sr. Software Engineer
>> Basho Technologies, Inc.
>> http://basho.com/
>>
>
>
> This message is for the named person's use only. If you received this
> message in error, please immediately delete it and all copies and notify
> the sender. You must not, directly or indirectly, use, disclose,
> distribute, print, or copy any part of this message if you are not the
> intended recipient. Any views expressed in this message are those of the
> individual sender and not Trustev Ltd. Trustev is registered in Ireland
> No. 516425 and trades from 2100 Cork Airport Business Park, Cork, Ireland.
>



-- 
Sean Cribbs <sean at basho.com>
Sr. Software Engineer
Basho Technologies, Inc.
http://basho.com/
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