Kafka broker in my case
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> On Aug 30, 2016, at 1:19 PM, Flavio Junqueira <f...@apache.org> wrote:
>
> Is the zookeeper process you're referring to the server or the client (broker
> in the case of Kafka)?
>
> If you're referring to the server, then the ensemble recovers from the disk
> state of the servers. If it is a follower, then there is nothing to recover,
> the leader already has all the necessary data. If it is the leader, then it
> will get the ephemeral/session data from disk.
>
> If you're referring to the Kafka broker, then you should be seeing a message
> like this in your log in the case the broker finds a znode upon registration:
>
> case e: ZkNodeExistsException =>
> throw new RuntimeException("A broker is already registered on the path " +
> brokerIdPath
> + ". This probably " + "indicates that you either have configured a
> brokerid that is already in use, or "
> + "else you have shutdown this broker and restarted it faster than
> the zookeeper "
> + "timeout so it appears to be re-registering.")
>
>
> Does it help?
>
> -Flavio
>
>
>> On 30 Aug 2016, at 14:35, J316 Services <j316servi...@icloud.com> wrote:
>>
>> Setup is 3 participants + 1 observer.
>>
>> We used 3.5.0 for dynamic configs.
>>
>> What happens when a system forced killed the zookeeper process and it did
>> not have time to clean up ephemeral? Does it recover in that scenario?
>>
>>
>> Thanks.
>>
>> Sent from my iPad
>>
>>> On Aug 30, 2016, at 8:53 AM, Flavio Junqueira <f...@apache.org> wrote:
>>>
>>> I think you're saying that the session isn't expiring that and the
>>> ephemeral isn't getting deleted. Or maybe the session is expiring but the
>>> ephemeral isn't being deleted? It'd be great if you could check that the
>>> broker session is expiring eventually.
>>>
>>> Since you're on the 3.5 branch, you may want to use 3.5.2-alpha or simply
>>> try 3.4.8 as Harsha suggested.
>>>
>>> -Flavio
>>>
>>>> On 29 Aug 2016, at 18:44, Harsha Chintalapani <ka...@harsha.io> wrote:
>>>>
>>>> how many brokers you've in this cluster. Do you try using a stable
>>>> zookeeper release like 3.4.8?
>>>> -Harhsa
>>>>
>>>>> On Mon, Aug 29, 2016 at 5:21 AM Nomar Morado <nomar.mor...@gmail.com>
>>>>> wrote:
>>>>>
>>>>> we are using kafka 0.9.0.1 and zk 3.5.0-alpha
>>>>>
>>>>> On Mon, Aug 29, 2016 at 8:12 AM, Nomar Morado <nomar.mor...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> we would get this occasionally after a weekend reboot/restart.
>>>>>>
>>>>>> we tried restarting a couple of times all to naught.
>>>>>>
>>>>>> we had to delete dk's directory to get his going again.
>>>>>>
>>>>>> any ideas what might cause this issue and suggestions on how to resolve
>>>>>> this?
>>>>>>
>>>>>>
>>>>>> thanks.
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Regards,
>>>>> Nomar Morado
>>>
>
