Elastic search transport client singleton

Hi All,

I had created a transport client singleton that's being used in a web
application. I would like to know that if i didn't close the transport
client will it create memory leaks as we do re-deploy the web application
constantly. In addition, what is the best practices on handling the
elastic search transport client ? As i wanted the transport client shared
and reuse by multiple code in the same web application.
Should i just let the connection timeout itself or explicit close the
connection for each web deploy.

Thanks.

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The TransportClient uses a thread pool for managing connections to remote
nodes.

For each web deploy, it is important to close all resources with
client.close() and to release the threadpool with
client.threadPool().shutdown()

Example:
https://github.com/jprante/elasticsearch-support/blob/master/src/main/java/org/xbib/elasticsearch/support/client/TransportClientBase.java#L90

You can share a client instance between many concurrent threads. There is
no need to close transport client connections after actionGet().

Jörg

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Hi Jörg,

Thanks for you advices.I have implemented the close conn mechanism through
the servletcontextlistener as it is a webapp.

Thanks.
Cyril

On Mon, Dec 9, 2013 at 4:52 PM, joergprante@gmail.com <joergprante@gmail.com

wrote:

The TransportClient uses a thread pool for managing connections to remote
nodes.

For each web deploy, it is important to close all resources with
client.close() and to release the threadpool with
client.threadPool().shutdown()

Example:
https://github.com/jprante/elasticsearch-support/blob/master/src/main/java/org/xbib/elasticsearch/support/client/TransportClientBase.java#L90

You can share a client instance between many concurrent threads. There is
no need to close transport client connections after actionGet().

Jörg

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Regards,

Chee Hoo

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