Thank you for the info !!!
> On 16 Jul 2018, at 1:39 AM, Ted Dunning <ted.dunn...@gmail.com> wrote:
>
> Check here for theory
>
> https://blog.acolyer.org/2015/03/10/zookeepers-atomic-broadcast-protocol-theory-and-practice/
>
> And here
>
> https://www.semanticscholar.org/paper/Zab%3A-High-performance-broadcast-for-primary-backup-Junqueira-Reed/b02c6b00bd5dbdbd951fddb00b906c82fa80f0b3
>
> On Sun, Jul 15, 2018, 09:09 ZongtianHou <zongtian...@icloud.com.invalid>
> wrote:
>
>> Yes, it have a detailed guide about how to install and start, program with
>> APIs, but the basic concept and theory seem too short for me. So, I wonder
>> if I have set up kerberos for it in order to use it in a secured hdfs
>> cluster and I keep get error in SASL authentication, the log is below
>> java.io.IOException: Could not configure server because SASL configuration
>> did not allow the ZooKeeper server to authenticate itself properly:
>> javax.security.auth.login.LoginException: No password provided
>>> On 15 Jul 2018, at 11:23 PM, Enrico Olivelli <eolive...@gmail.com>
>> wrote:
>>>
>>> Hi,
>>> Did you check the docs on zookeeper.apache.org ?
>>>
>>> Cheers
>>> Ebr
>>>
>>> Il dom 15 lug 2018, 17:02 ZongtianHou <zongtian...@icloud.com.invalid>
>> ha
>>> scritto:
>>>
>>>> Hi,everyone:
>>>> I am new to zookeeper, I have set up kerberos for a hdfs cluster, I want
>>>> to know if I have to set up kerberos for zookeeper if I want to use it
>> in
>>>> the secured hdfs cluster. And, if there is a document which explain the
>>>> concept and theory in zookeeper, like learner, server, follower, and
>> how
>>>> they work with each other to achieve the distribution coordination, how
>> can
>>>> I change their behaviour with conf files, since the overview in official
>>>> site is quite simple and quick jump into the API. Thanks very much for
>> some
>>>> clues!!
>>>
>>> --
>>>
>>>
>>> -- Enrico Olivelli
>>
>>
