Zen unicast discovery -- pulling hair out :-(

Elastic Stack Elasticsearch
1

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
https://gist.github.com/2695724 that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

2

Not sure but you should add your slave and your master in both nodes config files.
discovery.zen.ping.unicast.hosts: ["153.32.228.250:9300","theothernode:9300"]
HTH
David

Le 14 mai 2012 à 21:04, jessejlt jessejlt@gmail.com a écrit :

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
ElasticSearch zen unicast discovery · GitHub that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

3

discovery.zen.ping.unicast.hosts should've both hosts in both the
config files, I guess.

On Tue, May 15, 2012 at 12:34 AM, jessejlt jessejlt@gmail.com wrote:

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
ElasticSearch zen unicast discovery · GitHub that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

4

Can you post the full log of both the first node in the cluster, and the
new node that you are brining up?

On Mon, May 14, 2012 at 10:04 PM, jessejlt jessejlt@gmail.com wrote:

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
ElasticSearch zen unicast discovery · GitHub that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

5

I've updated the discovery hosts to include both the primary and new
node: ElasticSearch zen unicast discovery · GitHub
I turned on discovery trace logging and posted the logs for both nodes
at: ElasticSearch zen unicast discovery · GitHub

Thanks!
-jesse

On May 15, 1:52 pm, Shay Banon kim...@gmail.com wrote:

Can you post the full log of both the first node in the cluster, and the
new node that you are brining up?

On Mon, May 14, 2012 at 10:04 PM, jessejlt jesse...@gmail.com wrote:

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
https://gist.github.com/2695724that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

6

I have similar master slave configuration and it works well for me. I
have given IP addresses in both ymls, so configuration wise i dont see
any issue. Can you try to increase ping time out.. in case any network
latency is there..

Regards
Jagdeep

On Jun 5, 1:55 am, jessejlt jesse...@gmail.com wrote:

I've updated the discovery hosts to include both the primary and new
node:ElasticSearch zen unicast discovery · GitHub
I turned on discovery trace logging and posted the logs for both nodes
at:ElasticSearch zen unicast discovery · GitHub

Thanks!
-jesse

On May 15, 1:52 pm, Shay Banon kim...@gmail.com wrote:

Can you post the full log of both the first node in the cluster, and the
new node that you are brining up?

On Mon, May 14, 2012 at 10:04 PM, jessejlt jesse...@gmail.com wrote:

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
https://gist.github.com/2695724thatdescribes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

7

Jesse,

You are running elasticsearch version 0.18.7 on master and version 0.19.3
on media-slave. You cannot combine nodes with different elasticsearch
versions into a single cluster.

Igor

On Tuesday, June 5, 2012 1:14:40 AM UTC-4, jagdeep wrote:

I have similar master slave configuration and it works well for me. I
have given IP addresses in both ymls, so configuration wise i dont see
any issue. Can you try to increase ping time out.. in case any network
latency is there..

Regards
Jagdeep

On Jun 5, 1:55 am, jessejlt jesse...@gmail.com wrote:

I've updated the discovery hosts to include both the primary and new
node:ElasticSearch zen unicast discovery · GitHub
I turned on discovery trace logging and posted the logs for both nodes
at:ElasticSearch zen unicast discovery · GitHub

Thanks!
-jesse

On May 15, 1:52 pm, Shay Banon kim...@gmail.com wrote:

Can you post the full log of both the first node in the cluster, and
the
new node that you are brining up?

On Mon, May 14, 2012 at 10:04 PM, jessejlt jesse...@gmail.com
wrote:

I'm having a difficult time getting two nodes to communicate with
each
other using Zen unicast discovery. I've setup a gist at
https://gist.github.com/2695724thatdescribes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

8

It seems like what you call the slave node (bad naming by the way, there
isn't really a slave in elasticsearch cluster model) send ping requests but
receives no responses, so it elects itself as master. Can set discovery
logging to TRACE? I am missing some logging elements where it shows which
addresses it tries to ping. Also, can you remove the [9300-9400] part, and
just use host? It will use the proper port number automatically.

On Mon, Jun 4, 2012 at 10:55 PM, jessejlt jessejlt@gmail.com wrote:

I've updated the discovery hosts to include both the primary and new
node: ElasticSearch zen unicast discovery · GitHub
I turned on discovery trace logging and posted the logs for both nodes
at: ElasticSearch zen unicast discovery · GitHub

Thanks!
-jesse

On May 15, 1:52 pm, Shay Banon kim...@gmail.com wrote:

Can you post the full log of both the first node in the cluster, and the
new node that you are brining up?

On Mon, May 14, 2012 at 10:04 PM, jessejlt jesse...@gmail.com wrote:

I'm having a difficult time getting two nodes to communicate with each
other using Zen unicast discovery. I've setup a gist at
https://gist.github.com/2695724that describes the issue, shows the
logs, and lists the two machines' configs. Any help is appreciated.
Thanks!

9

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