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Subject: Re: view number of zookeeper nodes in a single ensemble
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From: Chris Nauroth <cnauroth@hortonworks.com>
To: "user@zookeeper.apache.org" <user@zookeeper.apache.org>
CC: Jens Rantil <jens.rantil@tink.se>
Thread-Topic: view number of zookeeper nodes in a single ensemble
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Date: Thu, 17 Dec 2015 17:00:51 +0000
Message-ID: <D2982A16.357A0%cnauroth@hortonworks.com>
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No, dynamic reconfiguration is a new feature in the 3.5 line, so it isn't
available in 3.4.5, and it won't ship in any future maintenance releases
on the 3.4 line.

--Chris Nauroth


On 12/16/15, 11:51 PM, "Kaushal Shriyan" <kaushalshriyan@gmail.com> wrote:

>Hi Chris,
>
>Thanks for the reply. I am using Zookeeper version 3.4.5. Is it available
>in this specific version?
>
>Regards,
>
>Kaushal
>
>On Wed, Dec 16, 2015 at 11:07 PM, Chris Nauroth <cnauroth@hortonworks.com>
>wrote:
>
>> If you're using the dynamic reconfiguration feature available in the 3.5
>> release line, then you might prefer to use the "config" CLI command.
>> Instead of the static configuration files, this command reads the
>>current
>> dynamic configuration stored in the config znode.  More details are
>> available here:
>>
>>=20
>>http://zookeeper.apache.org/doc/r3.5.1-alpha/zookeeperReconfig.html#sc_re
>>co
>> nfig_retrieving
>>
>>
>> --Chris Nauroth
>>
>>
>>
>>
>> On 12/14/15, 8:23 AM, "Jens Rantil" <jens.rantil@tink.se> wrote:
>>
>> >Hi Kaushal,
>> >
>> >You can always execute
>> >
>> >$ grep '^server.' /etc/zookeeper/conf/zoo.cnf|wc -l
>> >3
>> >
>> >on a server.
>> >
>> >Cheers,
>> >Jens
>> >
>> >On Mon, Dec 14, 2015 at 2:32 PM, Kaushal Shriyan
>> ><kaushalshriyan@gmail.com>
>> >wrote:
>> >
>> >> Hi,
>> >>
>> >> is there a way to see how many nodes are in a single ensemble? For
>> >>example
>> >> we have nodetool ring in Cassandra which shows the total number of
>> >>nodes in
>> >> local datacenter and across datacenters.
>> >>
>> >> Regards,
>> >>
>> >> Kaushal
>> >>
>> >
>> >
>> >
>> >--
>> >Jens Rantil
>> >Backend engineer
>> >Tink AB
>> >
>> >Email: jens.rantil@tink.se
>> >Phone: +46 708 84 18 32
>> >Web: www.tink.se
>> >
>> >Facebook <https://www.facebook.com/#!/tink.se> Linkedin
>> ><
>>=20
>>http://www.linkedin.com/company/2735919?trk=3Dvsrp_companies_res_photo&tr=
kI
>>=20
>>>nfo=3DVSRPsearchId%3A1057023381369207406670%2CVSRPtargetId%3A2735919%2CV=
SR
>>>Pc
>> >mpt%3Aprimary>
>> > Twitter <https://twitter.com/tink>
>>
>>