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From "Todd Greenwood" <to...@audiencescience.com>
Subject RE: Unending Leader Elections in WAN deploy
Date Sat, 01 Aug 2009 02:29:41 GMT
Ok, I'll apply that patch and report back.
-Todd

> -----Original Message-----
> From: Flavio Junqueira [mailto:fpj@yahoo-inc.com]
> Sent: Friday, July 31, 2009 7:18 PM
> To: zookeeper-user@hadoop.apache.org
> Subject: Re: Unending Leader Elections in WAN deploy
> 
> You're missing 491 from your set of patches.
> 
> -Flavio
> 
> On Jul 31, 2009, at 7:15 PM, Todd Greenwood wrote:
> 
> > This repro's in both branch-3.2, and branch-3.2+patches(473, 479,
> > 481).
> >
> > Basically, it seems like the nodes are electing pd4-zook02 to be the
> > leader. However, pd4-zook02 seems to realize it's not supposed to be
> > and
> > then disconnects everyone. Then they re-elect it again, and it loops
> > over and over.
> >
> > -------------
> > Server config
> > -------------
> >
> > server.1=dc1-zook01.dc01.revsci.net:2888:3888
> > server.2=dc1-zook02.dc01.revsci.net:2888:3888
> > server.3=dc1-zook03.dc01.revsci.net:2888:3888
> > server.4=dc1-zook04.dc01.revsci.net:2888:3888
> > server.5=dc1-zook05.dc01.revsci.net:2888:3888
> > server.6=pd1-zook01.pd01.revsci.net:2888:3888
> > server.7=pd1-zook02.pd01.revsci.net:2888:3888
> > server.8=pd4-zook01.iad1.audsci.net:2888:3888
> > server.9=pd4-zook02.iad1.audsci.net:2888:3888
> >
> > group.1:1:2:3:4:5
> > weight.1=1
> > weight.2=1
> > weight.3=1
> > weight.4=1
> > weight.5=1
> >
> > group.2:6:7:8:9
> > weight.6=0
> > weight.7=0
> > weight.8=0
> > weight.9=0
> >
> > Note that we have 2 groups, composed of machines in 3 different
> > locations (dc1, pd1, and pd4). The idea is that only machines in dc1
> > have voting rights, and the ability to become a leader. The machines
> > in
> > the pods all have a weight of zero, and are not expected to become
> > leaders, or to vote on transactions.
> >
> > Let me know what I can do to help resolve this issue.
> >
> > -Todd


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