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Now let’s start with some simple searches. There are two basic ways to run searches: one is by sending search parameters through the REST request URIa 阅读全文
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Sample Dataset Now that we’ve gotten a glimpse of the basics, let’s try to work on a more realistic dataset. I’ve prepared a sample of fictitious JSON 阅读全文
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In addition to being able to index, update, and delete individual documents, Elasticsearch also provides the ability to perform any of the above opera 阅读全文
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Deleting a document is fairly straightforward. This example shows how to delete our previous customer with the ID of 2: 删除文档非常简单。此示例显示如何删除ID为2的以前的客户： 阅读全文
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In addition to being able to index and replace documents, we can also update documents. Note though that Elasticsearch does not actually do in-place u 阅读全文
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Elasticsearch provides data manipulation and search capabilities in near real time. By default, you can expect a one second delay (refresh interval) f 阅读全文
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Now let’s delete the index that we just created and then list all the indexes again: 现在让我们删除刚刚创建的索引，然后再次列出所有索引： curl -X DELETE "localhost:9200/custome 阅读全文
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Let’s now put something into our customer index. We’ll index a simple customer document into the customer index, with an ID of 1 as follows: 现在让我们在客户索 阅读全文
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Now let’s create an index named "customer" and then list all the indexes again: 现在让我们创建一个名为“customer”的索引，然后再次列出所有索引： The first command creates the ind 阅读全文
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Now let’s take a peek at our indices: 现在让我们来看看我们的指数： And the response: Which simply means we have no indices yet in the cluster. 这仅仅意味着我们在集群中还没有索引。 Wh 阅读全文
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Let’s start with a basic health check, which we can use to see how our cluster is doing. We’ll be using curl to do this but you can use any tool that 阅读全文
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The REST API The REST API Now that we have our node (and cluster) up and running, the next step is to understand how to communicate with it. Fortunate 阅读全文
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Elasticsearch requires at least Java 8. Specifically as of this writing, it is recommended that you use the Oracle JDK version 1.8.0_131. Java install 阅读全文