如何配置elasticsearch 5

Question

如何配置elasticsearch 5 TransportClient。

现在TransportClient是抽象类。我只找到了PreBuiltTransportClient，这是配置elasticsearch客户端的新方法吗？

Answer 1

是的，您也可以在official documentation for 5.0中找到

Settings settings = Settings.builder()
   .put("cluster.name", "ElasticSearchClusterName");

TransportClient client = new PreBuiltTransportClient(settings)
        .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("host1"), 9300))
        .addTransportAddress(new InetSocketTransportAddress(InetAddress.getByName("host2"), 9300));

PreBuiltTransportClient是包含以下模块的pre-configured，这一点都不值钱：

• Netty3
• Netty4
• Reindex
• Percolator
• Mustache

还要确保您对transport工件有依赖关系：

<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>transport</artifactId>
    <version>5.0.0-beta1</version>
</dependency>

Answer 2

首先下载相应的jar文件，并将其保存在lib文件夹中，然后将它们添加到构建路径中。您可以按照以下代码进行配置：

 Settings settings = Settings.builder()
    .put("cluster.name", "ElasticSearchClusterName")
    //.put("client.transport.sniff", true)
    //.put("shield.user", elasticUserName+":"+elasticPassword)
    .build();

TransportClient client = new PreBuiltTransportClient(settings)
                                  .addTransportAddress(new InetSocketTransportAddress(elasticHostOne, elasticTransportPort))
                                  .addTransportAddress(new InetSocketTransportAddress(elasticHostTwo, elasticTransportPort))
                                  .addTransportAddress(new InetSocketTransportAddress(elasticHostThree, elasticTransportPort));