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Zookeeper >> mail # user >> How to replace a zookeeper server ?


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David Song 2012-04-17, 06:48
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Camille Fournier 2012-04-18, 02:50
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David Song 2012-04-18, 03:16
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Michi Mutsuzaki 2012-04-18, 06:04
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Ted Dunning 2012-04-18, 15:44
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Re: How to replace a zookeeper server ?
FYI - making this process more reliable is one of the main reasons for
Exhibitor:

http://techblog.netflix.com/2012/04/introducing-exhibitor-supervisor-system
.html
On 4/18/12 8:44 AM, "Ted Dunning" <[EMAIL PROTECTED]> wrote:

>As long as the old quorum constitutes a quorum in the new cluster you
>should be fine.  
>
>In the replace a dead node scenario you can reconfigure the survivors
>before bringing up the new node. That only works if you start with 5
>nodes, but being down a node in a three node cluster is a problem for any
>admin actions you might take.
>
>Sent from my iPhone
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>On Apr 17, 2012, at 11:04 PM, Michi Mutsuzaki <[EMAIL PROTECTED]>
>wrote:
>
>> Camille, what's the order of rolling restart that doesn't cause quorum
>> loss? Would it cause any issues to have inconsistent server list
>> during this process?
>
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Camille Fournier 2012-04-18, 14:04
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB