How to manage high level client connection to Elasticsearch

Elastic Stack Elasticsearch
1

I wonder how to manage connection when using RestHighlevelClient in Java. The old connection is automatically disconnected. So I know that i need to connect and close when i need it. Is this right?

So what is I to be managed as follows?
For example, If i want to search for Search,

  1. Connect with Elasticsearch
  2. Run the search command
  3. Close the connection.
2

You should not open a new HTTP connection for every search that you are executing. Initiating a TCP connection, possibly a TLS connection on top of that requires time that adds to your search.

The general approach is to create a single High Level Rest Client in your application and reuse that one. You only need to close it when you shut down your application.

Hope that makes sense!

3

Thank you for answer.
There is a problem that you are using as if you are currently answered.
If i do not use it for a long time, it will automatically disconnect.
What should I do in this case?
Now I call Ping () and Retry is performing three times. But this is not correct.

4

Hey,

can you explain why it automatically disconnects? I expect there is a firewall in between, that is killing the TCP connections. However the low level client should retry after some time. Did this not work in your case?

--Alex

5

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