1、安装JDK,至少1.8.0_73以上版本,java -version
2、下载和解压缩Elasticsearch安装包,目录结构
3、启动Elasticsearch:bin\elasticsearch.bat,es本身特点之一就是开箱即用,如果是中小型应用,数据量少,操作不是很复杂,直接启动就可以用了
4、检查ES是否启动成功:http://localhost:9200/?pretty
name: node名称
cluster_name: 集群名称(默认的集群名称就是elasticsearch)
version.number: es版本号
{
"name" : "WINDOWS-7EM0MJ0",
"cluster_name" : "elasticsearch",
"cluster_uuid" : "eyWakQ8rTtOSrhC2S1dM1g",
"version" : {
"number" : "7.8.0",
"build_flavor" : "default",
"build_type" : "zip",
"build_hash" : "757314695644ea9a1dc2fecd26d1a43856725e65",
"build_date" : "2020-06-14T19:35:50.234439Z",
"build_snapshot" : false,
"lucene_version" : "8.5.1",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
5、修改集群名称:elasticsearch.yml
6、下载和解压缩Kibana安装包,使用里面的开发界面,去操作elasticsearch,作为我们学习es知识点的一个主要的界面入口
7、启动Kibana:bin\kibana.bat, http://localhost:5601
8、进入Dev Tools界面
9、GET _cluster/health
没有 replica shard
分片,es 的状态为 green
, es 5.X 版本则会显示 yellow
ES7.8 的 健康检查:
{
"cluster_name" : "elasticsearch",
"status" : "green",
"timed_out" : false,
"number_of_nodes" : 1,
"number_of_data_nodes" : 1,
"active_primary_shards" : 7,
"active_shards" : 7,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 0,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 100.0
}