Elastic search dynamic number of replicas from Java API

Elastic Stack Elasticsearch
21

An example of a server-side cluster state listener is in JDBC river plugin

https://github.com/jprante/elasticsearch-river-jdbc/blob/master/src/main/java/org/xbib/elasticsearch/action/river/jdbc/state/RiverStateService.java

I use it to augment the cluster state with river state info.

Jörg

On Fri, Aug 22, 2014 at 10:08 AM, 'Sandeep Ramesh Khanzode' via
elasticsearch elasticsearch@googlegroups.com wrote:

Hi Jorg,

Can you please give a server-side or client-side example of using
CLusterStateListener?
Do I have to use a plugin. if so, which module do I register/override?
If not, do I have to use a Node Client (not a TransportClient), and
retrieve the ClusterService somehow and then register?

Thanks
Sandeep

On Thursday, 10 July 2014 22:25:51 UTC+5:30, Jörg Prante wrote:

On the client side, you can't use cluster state listener, it is for nodes
that have access to a local copy of the master cluster state. Clients must
execute an action to ask for cluster state, and with the current transport
request/response cycle, they must poll for new events ...

Jörg

On Thu, Jul 10, 2014 at 6:38 PM, Ivan Brusic iv...@brusic.com wrote:

Jörg, have you actually implemented your own ClusterStateListener? I
never had much success. Tried using that interface or even
PublishClusterStateAction.NewClusterStateListener, but either I could
not configure successfully the module (the former) or received no events
(the latter). Implemented on the client side, not as a plugin.

Cheers,

Ivan

On Wed, Jul 9, 2014 at 4:21 PM, joerg...@gmail.com joerg...@gmail.com
wrote:

  1. Yes. Use org.elasticsearch.cluster.ClusterStateListener

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