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From Something Something <mailinglist...@gmail.com>
Subject Re: Zookeeper multiserver setup?
Date Tue, 08 May 2012 21:54:55 GMT
Hmm...


Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
stat
Zookeeper version: 3.3.4-cdh3u3--1, built on 01/26/2012 20:09 GMT
Clients:
 /127.0.0.1:42510[0](queued=0,recved=1,sent=0)

Latency min/avg/max: 0/0/0
Received: 4
Sent: 3
Outstanding: 0
Zxid: 0x100000000
Mode: follower
Node count: 11
Connection closed by foreign host.


Not sure I understand this output.  I have 9 nodes in the ensemble.

On Tue, May 8, 2012 at 2:45 PM, Jordan Zimmerman <jzimmerman@netflix.com>wrote:

> Yes - they should. Keep in mind that the zoo.cfg, and the ID file must be
> correct and in agreement on each instance. You can do a stat on each
> instance to see what state it's in:
>
>    >telnet localhost 2181
>     stat
>
> -JZ
>
> On 5/8/12 2:43 PM, "Something Something" <mailinglists19@gmail.com> wrote:
>
> >Thanks Jordan.  Will definitely look at the cluster management tool.  In
> >the mean time, am I correct with my assumption in #4?  Once all of them
> >are
> >started they would automagically start talking to each other, right?
> >
> >
> >On Tue, May 8, 2012 at 2:36 PM, Jordan Zimmerman
> ><jzimmerman@netflix.com>wrote:
> >
> >> Yes, you must start them all individually. ZooKeeper does not currently
> >> have any cluster-wide management tools built in.
> >>
> >> FYI - we've open sourced a cluster management tool for ZooKeeper. Please
> >> have a look:
> >>
> >>        https://github.com/Netflix/exhibitor
> >>
> >> On 5/8/12 2:31 PM, "Something Something" <mailinglists19@gmail.com>
> >>wrote:
> >>
> >> >Hello,
> >> >
> >> >Trying to follow directions from here:
> >> >
> >>
> >>
> http://zookeeper.apache.org/doc/trunk/zookeeperAdmin.html#sc_zkMulitServe
> >>r
> >> >Setup
> >> >
> >> >to setup a cluster of zookeepers.
> >> >
> >> >Questions:
> >> >
> >> >1)  If everything is setup correctly, do I have to go to each machine
> >>and
> >> >start Zookeeper server in each of them individually?
> >> >2)  I was thinking if I start it on one master machine (well there's no
> >> >real master) then all zookeepers in the quorum would be started, but
> >>this
> >> >is not how it works correct?
> >> >3)  If I start individually, then I get messages saying the other
> >> >zookeepers haven't started.  Is that just a warning?
> >> >4)  When all of them are started, would they all be able to talk to
> >>each
> >> >other?
> >> >
> >> >Sorry for the dumb questions and thanks for the help.
> >>
> >>
>
>

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