ELK是ElasticSerach、Logstash、Kibana三款产品名称的首字母集合，用于日志的搜集和搜索，今天我们一起搭建和体验基于ELK的日志服务；

ElasticSearch是一款开源的高扩展的分布式全文检索引擎，可以近实时地查询分析数据。实现基于Lucene，封装了许多Lucene底层的功能，提供了简单易用的RestFul API接口和很多语言的客户端，如Java的高级客户端(Java High Level...

ElasticSearch服务异常停止了，这时Kibana提示无法连接到ElasticSearch

https://www.elastic.co/guide/en/elasticsearch/client/java-api/6.1/java-aggs.html To build aggregation requests, use AggregationBuilders helpers. Just import t...

https://www.elastic.co/guide/en/elasticsearch/client/java-api/6.1/java-docs-multi-get.html

https://www.elastic.co/guide/en/elasticsearch/client/java-api/current/transport-client.html

https://www.elastic.co/guide/en/elasticsearch/reference/6.1/search-aggregations-bucket.html 在页面右下角可以看到各类具体的Bucket聚合连接

https://www.elastic.co/guide/en/elasticsearch/reference/6.1/search-aggregations-metrics.html

https://www.elastic.co/guide/en/elasticsearch/reference/6.1/compound-queries.html

词项查询官网： https://www.elastic.co/guide/en/elasticsearch/reference/6.1/term-level-queries.html