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From Flavio Junqueira <fpjunque...@yahoo.com>
Subject Re: issue about write sync in majority followers
Date Fri, 06 Sep 2013 06:29:14 GMT
Did you mean to say zab instead of paxos?

-Flavio

On Sep 6, 2013, at 6:11 AM, Martin Kou <bitanarch@gmail.com> wrote:

> The follower doesn't persist in the beginning - not until it's sure it had the consensus
of the quorum. Also, the client only talks to the node it is connected to.
> 
> The general algorithm you're looking for here is Paxos. You may want to look that up.
> 
> Sent from my iPhone
> 
>> On Sep 3, 2013, at 11:54 PM, ch huang <justlooks@gmail.com> wrote:
>> 
>> hi,all:
>>         i am very confused about the write sync  process,what i thank is
>> ,client connect to one of follower ,send a update request to it,and the
>> follower persisted the update to it's disk ,then forward this request to
>> the leader,the leader broadcast it to all it's follower, if the leader get
>> responce of the majority of all follower say the update succeed, it commits
>> the update ,and the client will get success response (from who? the leader
>> or the follower who connected?)
>> 
>> so before leader persisted the change ,this change should be persisted on
>> majority of followers ?
>> 
>> what i think is right??


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