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HBase >> mail # user >> 2 node cluster


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Honglin Li 2011-09-02, 22:47
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Re: 2 node cluster
ZooKeeper keeps state, so you can't just relaunch it. You need to run
at least 3 ZooKeeper servers to survive the loss of one of the
ZooKeeper servers.

-Joey

On Fri, Sep 2, 2011 at 6:47 PM, Honglin Li <[EMAIL PROTECTED]> wrote:
> Hi, all,
>
>
>
> If I have a two-node HBase deployed with a one-node zookeeper, if the node
> with the zookeeper goes down, can I just relaunch Hadoop, HBase with new
> zookeeper on the 2nd node itself to continue the service?
>
>
>
> The real question is:  is there persistent data in the old zookeeper that is
> needed for the relaunch? Or the 2nd node can just relaunch with a brand new
> zookeeper with no data?
>
>
>
> Thanks,
>
>
>
> Honglin
>

--
Joseph Echeverria
Cloudera, Inc.
443.305.9434
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