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From ZongtianHou <zongtian...@icloud.com.INVALID>
Subject Re: concept question for zookeeper
Date Mon, 16 Jul 2018 01:18:48 GMT
Thank you for the info !!!
> On 16 Jul 2018, at 1:39 AM, Ted Dunning <ted.dunning@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 <zongtianhou@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 <eolivelli@gmail.com>
>> wrote:
>>> 
>>> Hi,
>>> Did you check the docs on zookeeper.apache.org ?
>>> 
>>> Cheers
>>> Ebr
>>> 
>>> Il dom 15 lug 2018, 17:02 ZongtianHou <zongtianhou@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
>> 
>> 


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