SDK clients

Overview

• The DocumentClient class uploads documents. For more information, see DocumentClient class.

• The OpenSearch class creates OpenSearchClient objects. For more information, see OpenSearch class.

• The OpenSearchClient class creates SearcherClient objects. For more information, see OpenSearchClient class.

• The SearcherClient class sends query requests. For more information, see SearcherClient class.

FAQ about OpenSearch SDK for Java

Timeout waiting for connection from pool

Error:

com.aliyun.opensearch.sdk.dependencies.org.apache.http.conn.ConnectionPoolTimeoutException:
Timeout waiting for connection from pool

Description: The default capacity of the connection pool in OpenSearch SDK for Java is 50 connections.

To adjust the connection pool capacity, use the following sample code:

import com.aliyun.opensearch.util.HttpClientManager;

// ...

HttpClientManager.setMaxConnections(100);