RE: Zab Failure scenario

2015-10-05 Thread Ibrahim El-sanosi (PGR)
Thank you Flavio, it makes sense. Ibrahim -Original Message- From: Flavio P JUNQUEIRA [mailto:f...@apache.org] Sent: Sunday, October 04, 2015 05:43 م To: user@zookeeper.apache.org Subject: RE: Zab Failure scenario Acks aren't logged and neither are commits. A prospective leader commits

RE: Zab Failure scenario

2015-10-04 Thread Ibrahim El-sanosi (PGR)
, September 27, 2015 05:21 م To: user@zookeeper.apache.org Subject: Re: Zab Failure scenario In 3, it is not exactly a pending proposal, but if the leader has 10 in its log, then it will make sure 10 is committed by the end of the synchronisation phase and before it becomes established. I'm not sure

RE: Zab Failure scenario

2015-10-04 Thread Flavio P JUNQUEIRA
gt; > What happen then? Does zxid = 10 commit eventually before the end of > synchronization phase or discard? > > Regards, > > Ibrahim > > > > -Original Message- > From: Flavio P JUNQUEIRA [mailto:f...@apache.org] > Sent: Sunday, Septembe

RE: Zab Failure scenario

2015-10-04 Thread Ibrahim El-sanosi (PGR)
did not get a quorum of ACKS from pervious epoch) Regards, Ibrahim -Original Message- From: Ibrahim El-sanosi (PGR) Sent: Sunday, October 04, 2015 03:48 م To: user@zookeeper.apache.org Subject: RE: Zab Failure scenario Does zxid = 10 commit because there are acknowledgments from

Re: Zab Failure scenario

2015-09-28 Thread Alexander Shraer
Not about how proposals, acks, > commits (i.e.: ZAB proper) work. > > Thank you > > -Original Message- > From: Raúl Gutiérrez Segalés [mailto:r...@itevenworks.net] > Sent: Monday, September 28, 2015 02:56 ص > To: user@zookeeper.apache.org > Subject: Re: Zab Failu

RE: Zab Failure scenario

2015-09-28 Thread Ibrahim El-sanosi (PGR)
, September 28, 2015 02:56 ص To: user@zookeeper.apache.org Subject: Re: Zab Failure scenario On 27 September 2015 at 10:12, Ibrahim El-sanosi (PGR) < i.s.el-san...@newcastle.ac.uk> wrote: > Thank you Flavio for explanation. It really makes sense for me. > > > I'm not sure why you

Re: Zab Failure scenario

2015-09-27 Thread Flavio P JUNQUEIRA
In 3, it is not exactly a pending proposal, but if the leader has 10 in its log, then it will make sure 10 is committed by the end of the synchronisation phase and before it becomes established. I'm not sure why you are assuming 3.4.6, though. Why is it relevant for this question? -Flavio On 27

RE: Zab Failure scenario

2015-09-27 Thread Ibrahim El-sanosi (PGR)
ferent solution for mentioned scenario. Ibrahim -Original Message- From: Flavio P JUNQUEIRA [mailto:f...@apache.org] Sent: Sunday, September 27, 2015 05:21 م To: user@zookeeper.apache.org Subject: Re: Zab Failure scenario In 3, it is not exactly a pending proposal, but if the leader