elasticsearch 下载安装
wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.6.16.tar.gz
tar -zxvf elasticsearch-5.6.16.tar.gz
cd elasticsearch-5.6.16
bin/elasticsearch
测试
image.png
相关配置
ls config/
elasticsearch.yml jvm.options jvm.options.bakup log4j2.properties scripts
- elasticsearch.yml es 配置
- jvm.options jvm配置
- log4j2.properties 日志配置
elasticsearch常用配置
elasticsearch.yml关键配置说明： cluster.name 集群名称，这个名字一样的话就说明是同一个集群 node.name 节点名称，标识一个集群中的不同节点 network.host/http.port 网络地址和端口，用于http和tranport服务使用 path.data 数据存储地址 path.log 日志存储地址
elasticsearch 本地集群配置
cp config/jvm.options config/jvm.options.bakup
sed -i "s/-Xms2g/-Xms1g/g" config/jvm.options
sed -i "s/-Xmx2g/-Xmx1g/g" config/jvm.options
启动集群,后台执行(这里采用动态加载配置)
./bin/elasticsearch -Ehttp.port=9200 -Epath.data=node1 -d
./bin/elasticsearch -Ehttp.port=8200 -Epath.data=node2 -d
./bin/elasticsearch -Ehttp.port=7200 -Epath.data=node3 -d
启动模式
如果集群节点的http通信和节点间通信使用http.host和transport.host在es的配置如果是 localhost , 则es会判断为开发模式，外网会自动判断为生产模式。 开发模式会以warning方式提示，检查配置的异常。 生产模式会以error方式提示，检查配置的异常，并且退出。
查看进程
$ jps
6688 Main
12657 Elasticsearch
12786 Jps
12374 Elasticsearch
12523 Elasticsearch
测试
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查看集群
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* 代表主节点
查看集群状态
$ curl http://127.0.0.1:9200/_cluster/stats | python -m json.tool
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 1715 100 1715 0 0 139k 0 --:--:-- --:--:-- --:--:-- 152k
{
"_nodes": {
"failed": 0,
"successful": 3,
"total": 3
},
"cluster_name": "elasticsearch",
"indices": {
"completion": {
"size_in_bytes": 0
},
"count": 0,
"docs": {
"count": 0,
"deleted": 0
},
"fielddata": {
"evictions": 0,
"memory_size_in_bytes": 0
},
"query_cache": {
"cache_count": 0,
"cache_size": 0,
"evictions": 0,
"hit_count": 0,
"memory_size_in_bytes": 0,
"miss_count": 0,
"total_count": 0
},
"segments": {
"count": 0,
"doc_values_memory_in_bytes": 0,
"file_sizes": {},
"fixed_bit_set_memory_in_bytes": 0,
"index_writer_memory_in_bytes": 0,
"max_unsafe_auto_id_timestamp": -9223372036854775808,
"memory_in_bytes": 0,
"norms_memory_in_bytes": 0,
"points_memory_in_bytes": 0,
"stored_fields_memory_in_bytes": 0,
"term_vectors_memory_in_bytes": 0,
"terms_memory_in_bytes": 0,
"version_map_memory_in_bytes": 0
},
"shards": {},
"store": {
"size_in_bytes": 0,
"throttle_time_in_millis": 0
}
},
"nodes": {
"count": {
"coordinating_only": 0,
"data": 3,
"ingest": 3,
"master": 3,
"total": 3
},
"fs": {
"available_in_bytes": 165570379776,
"free_in_bytes": 178363269120,
"total_in_bytes": 250438021120
},
"jvm": {
"max_uptime_in_millis": 450790,
"mem": {
"heap_max_in_bytes": 3113877504,
"heap_used_in_bytes": 776754256
},
"threads": 158,
"versions": [
{
"count": 3,
"version": "1.8.0_191",
"vm_name": "OpenJDK 64-Bit Server VM",
"vm_vendor": "Oracle Corporation",
"vm_version": "25.191-b12"
}
]
},
"network_types": {
"http_types": {
"netty4": 3
},
"transport_types": {
"netty4": 3
}
},
"os": {
"allocated_processors": 24,
"available_processors": 24,
"mem": {
"free_in_bytes": 448393216,
"free_percent": 2,
"total_in_bytes": 24727228416,
"used_in_bytes": 24278835200,
"used_percent": 98
},
"names": [
{
"count": 3,
"name": "Linux"
}
]
},
"plugins": [],
"process": {
"cpu": {
"percent": 0
},
"open_file_descriptors": {
"avg": 304,
"max": 306,
"min": 304
}
},
"versions": [
"5.6.16"
]
},
"status": "green",
"timestamp": 1553465419846
}
_cat命令列表
$ curl http://127.0.0.1:9200/_cat
=^.^=
/_cat/allocation
/_cat/shards
/_cat/shards/{index}
/_cat/master
/_cat/nodes
/_cat/tasks
/_cat/indices
/_cat/indices/{index}
/_cat/segments
/_cat/segments/{index}
/_cat/count
/_cat/count/{index}
/_cat/recovery
/_cat/recovery/{index}
/_cat/health
/_cat/pending_tasks
/_cat/aliases
/_cat/aliases/{alias}
/_cat/thread_pool
/_cat/thread_pool/{thread_pools}
/_cat/plugins
/_cat/fielddata
/_cat/fielddata/{fields}
/_cat/nodeattrs
/_cat/repositories
/_cat/snapshots/{repository}
/_cat/templates