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From Eyal Bar <eyal....@kenshoo.com>
Subject Re: Zookeeper port 3181
Date Tue, 28 Apr 2015 07:25:36 GMT
I guess Cloudera Manager is responsible for managing these 3 servers so the
relevant configuration might resides on Cloudera config side.

I will continue to check it with Cloudera.

Thanks for the help,

Eyal

On Mon, Apr 27, 2015 at 6:31 PM, Flavio Junqueira <
fpjunqueira@yahoo.com.invalid> wrote:

> Eyal,
>
> It doesn't look like your config is set to run in quorum mode at all,
> you're running standalone servers if this is really the config you're
> using. I suggest you either contact Cloudera or read the the online
> documentation to become familiar with running ZK.
>
> -Flavio
>
> > On 27 Apr 2015, at 14:55, Eyal Bar <eyal.bar@kenshoo.com> wrote:
> >
> > Hi,
> >
> > 1 ) Who determines who would be the Zookeeper leader out of 3 installed
> > Zookeepers?
> > 2) Do we always have a leader?
> > 3) What causes the leader to move from server to server if it moves?
> > 3) The contents of the zoo.cfg file of the server on which the port 3181
> in
> > open:
> > maxClientCnxns=50
> > # The number of milliseconds of each tick
> > tickTime=2000
> > # The number of ticks that the initial
> > # synchronization phase can take
> > initLimit=10
> > # The number of ticks that can pass between
> > # sending a request and getting an acknowledgement
> > syncLimit=5
> > # the directory where the snapshot is stored.
> > dataDir=/var/lib/zookeeper
> > # the port at which the clients will connect
> > clientPort=2181
> >
> > Thanks,
> >
> >
> > On Sun, Apr 26, 2015 at 5:04 PM, Flavio Junqueira <
> > fpjunqueira@yahoo.com.invalid> wrote:
> >
> >> It could be the leader listening, in which case you'd have just one
> >> typically. Perhaps if you share your config file, we can help out.
> >>
> >> -Flavio
> >>
> >>> On 26 Apr 2015, at 08:56, Eyal Bar <eyal.bar@kenshoo.com> wrote:
> >>>
> >>> Hi,
> >>>
> >>> The Zookeeper servers (3 servers) were installed as part of the
> Cloudera
> >>> Hadoop High Availability installation.
> >>>
> >>> In the following Cloudera documentation link,
> >>>
> >>
> http://www.cloudera.com/content/cloudera/en/documentation/core/v5-2-x/topics/cdh_ig_ports_cdh5.html
> >> ,
> >>> you can notice that the port 3181 is described as part of the Zookeeper
> >>> ports used.
> >>>
> >>> My question is why this port, 3181, is only open in 1 out of the 3
> >>> installed Zookeepers? Can it be that in any given time only one server
> >> can
> >>> listens on this port as part of a master\slave service architecture?
> >>>
> >>> Best,
> >>>
> >>> On Thu, Apr 23, 2015 at 5:20 AM, Rakesh Radhakrishnan <
> >>> rakeshr.apache@gmail.com> wrote:
> >>>
> >>>> Hi Eyal,
> >>>>
> >>>> ZooKeeper and BookKeeper are two different services.
> >>>>
> >>>> Are you trying to setup only zookeeper cluster? Can you show the
> >>>> configurations and the command to start the servers.
> >>>>
> >>>> Regards,
> >>>> Rakesh
> >>>>
> >>>> On Wed, Apr 22, 2015 at 1:17 PM, Eyal Bar <eyal.bar@kenshoo.com>
> wrote:
> >>>>
> >>>>> Hi,
> >>>>>
> >>>>> The bookkeeper service listens on port 3181 as I read from the
> >>>>> documentation (
> >>>>> http://zookeeper.apache.org/doc/r3.3.6/bookkeeperStarted.html).
> >>>>> The question is why is this port only open on 1 out of 3 installed
> >>>>> zookeeper servers. Is there always one live bookkeeper out of the
3
> >>>>> zookeeper?
> >>>>>
> >>>>> CDH5 = Cloudera Hadoop version 5 not Cassandra.
> >>>>>
> >>>>> Best,
> >>>>> On Apr 21, 2015 5:57 PM, "Flavio Junqueira"
> >> <fpjunqueira@yahoo.com.invalid
> >>>>>>
> >>>>> wrote:
> >>>>>
> >>>>>> I'm confused, you refer to bookie, is it about bookkeeper?
> >>>>>>
> >>>>>> Also, you may want to ask Cloudera folks directly about their
> >>>>>> distribution, you're likely to get a better answer.
> >>>>>>
> >>>>>> -Flavio
> >>>>>>
> >>>>>> -----Original Message-----
> >>>>>> From: "Eyal Bar" <eyal.bar@kenshoo.com>
> >>>>>> Sent: ‎4/‎21/‎2015 2:27 PM
> >>>>>> To: "user@zookeeper.apache.org" <user@zookeeper.apache.org>
> >>>>>> Subject: Zookeeper port 3181
> >>>>>>
> >>>>>> Hi,
> >>>>>>
> >>>>>> I have a CDH5 installed with HA configuration and part on this
> >>>>> installation
> >>>>>> are 3 Zookeeper servers.
> >>>>>>
> >>>>>> I have noticed that port 3181, which the bookie uses to listens
for
> >>>>>> connection requests from clients, is open only on 1 out of the
3
> >>>>> installed
> >>>>>> Zookeepers servers.
> >>>>>>
> >>>>>> Do any of you know why port 3181 isn't open on *all *3 Zookeepers?
> >>>>>>
> >>>>>> Thanks,
> >>>>>>
> >>>>>> --
> >>>>>> *[ Eyal Bar ]*
> >>>>>> MySQL and Cassandra Database Administrator - Infrastructure
Team  //
> >>>>>> *Kenshoo*
> >>>>>> *Office* +972 (3) 746-6500 x473 // *Mobile* +972 (52) 458-6100
> >>>>>> *Eyal.Bar@Kenshoo.com <Eyal.Bar@Kenshoo.com>*
> >>>>>> <Eyal.Hashai@Kenshoo.com>* <Eyal.Hashai@Kenshoo.com>*
> >>>>>> _______________________________________
> >>>>>> *www.Kenshoo.com* <http://kenshoo.com/>
> >>>>>>
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its
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> >>>>>> review, reliance, disclosure, copying, distribution or use of
the
> >>>>> contents
> >>>>>> of this message without Kenshoo's express permission is strictly
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> >>>>>>
> >>>>>
> >>>>> --
> >>>>> This e-mail, as well as any attached document, may contain material
> >> which
> >>>>> is confidential and privileged and may include trademark, copyright
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> >>>>>
> >>>>
> >>>>
> >>>
> >>>
> >>> --
> >>> *[ Eyal Bar ]*
> >>> MySQL and Cassandra Database Administrator - Infrastructure Team  //
> >>> *Kenshoo*
> >>> *Office* +972 (3) 746-6500 x473 // *Mobile* +972 (52) 458-6100
> >>> *Eyal.Bar@Kenshoo.com <Eyal.Bar@Kenshoo.com>*
> >>> <Eyal.Hashai@Kenshoo.com>* <Eyal.Hashai@Kenshoo.com>*
> >>> _______________________________________
> >>> *www.Kenshoo.com* <http://kenshoo.com/>
> >>>
> >>> --
> >>> This e-mail, as well as any attached document, may contain material
> which
> >>> is confidential and privileged and may include trademark, copyright and
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> >>
> >>
> >
> >
> > --
> > Eyal Bar
> > BigData and MySQL Database Administrator - Data Group  | Kenshoo
> > *Office* +972 (3) 746-6500 *473
> > *Mobile* +972 (52) 458-6100
> > www.Kenshoo.com <http://www.kenshoo.com/>
> > [image: Transform your marketing. Grow your business.]
> > <http://www.kenshoo.com/>
> >
> > --
> > This e-mail, as well as any attached document, may contain material which
> > is confidential and privileged and may include trademark, copyright and
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> > error, please destroy the message and any attachment, and contact us
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> > review, reliance, disclosure, copying, distribution or use of the
> contents
> > of this message without Kenshoo's express permission is strictly
> prohibited.
>
>


-- 
Eyal Bar
BigData and MySQL Database Administrator - Data Group  | Kenshoo
*Office* +972 (3) 746-6500 *473
*Mobile* +972 (52) 458-6100
www.Kenshoo.com <http://www.kenshoo.com/>
[image: Transform your marketing. Grow your business.]
<http://www.kenshoo.com/>

-- 
This e-mail, as well as any attached document, may contain material which 
is confidential and privileged and may include trademark, copyright and 
other intellectual property rights that are proprietary to Kenshoo Ltd, 
 its subsidiaries or affiliates ("Kenshoo"). This e-mail and its 
attachments may be read, copied and used only by the addressee for the 
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immediately. If you are not the intended recipient, be aware that any 
review, reliance, disclosure, copying, distribution or use of the contents 
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