AWS Elasticsearch中的“客户端节点”？
[英]“client node” in AWS Elasticsearch?
问题描述
Reading about the proper architecture for Elasticsearch, I hear about 3 types of nodes: 
阅读有关Elasticsearch的正确架构，我听说有3种类型的节点：
- Master node (Keeps the shards routing table) 主节点（保留分片路由表）
- Client node (Does the CPU/Memory intensive merge sort of the results) 客户端节点（CPU /内存密集型合并排序结果）
- Data node (Contains the actual shards with the data) 数据节点（包含带有数据的实际分片）
From my understanding when connecting to the Elasticsearch cluster using non Java clients, you should be connecting to the client node. 根据我的理解，当使用非Java客户端连接到Elasticsearch集群时，您应该连接到客户端节点。 However I don't see anything about the Client Node on AWS Elasticsearch. 但是，我在AWS Elasticsearch上看不到任何有关客户端节点的信息。
Am I missing something? 我错过了什么吗？ Thanks, Sep 谢谢，九月
1 个解决方案
解决方案1
3 已采纳 2016-10-04 04:03:34
The Amazon Elasticsearch Service is not a full-featured ES installment. Amazon Elasticsearch Service不是功能齐全的ES安装。 Even though, it is sufficiently featured for a few use cases (log collection, etc), it has several limitations in terms of what you can configure and which endpoints are available. 尽管如此，它足以用于少数用例（日志收集等），但在可配置的内容和可用的端点方面存在一些限制。
One limitation is that you can only configure master and data nodes, no client nodes. 一个限制是您只能配置主节点和数据节点，不能配置客户端节点。
Another limitation is that the only way to connect to the cluster is through HTTP, ie there is no way to get a TCP connection to the cluster, hence you cannot use the transport client, only HTTP clients. 另一个限制是连接到群集的唯一方法是通过HTTP，即无法获得到群集的TCP连接，因此您不能使用传输客户端，只能使用HTTP客户端。
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