Elasticsearch常用命令

Elasticsearch常用命令

=====开始
./bin/elasticsearch

=====停止ֹ
jps | grep Elasticsearch

ps aux | grep elastic
ps -ef|grep kafka

kill -9 15516（进程号）

或者 netstat -ntulp |grep 9200

====给权限
chown -R es:es elasticsearch-6.4.2

=====列出所有索引
curl ‘10.2.5.6:9200/_cat/indices?v’

======logstach 开始
测试配置文件
bin/logstash -f second-pipeline.conf --config.test_and_exit
正式开始
./bin/logstash -f ./config/kafka-logstash-es.conf

=====查看进程
ps -ef|grep logstash

=====REST访问

Elasticsearch使用的端口是9200，可以在浏览器上直接访问http://localhost:9200/ 或者使用curl命令访问http://localhost:9200

curl -XGET ‘http://10.2.5.6:9200’

=====create a index

curl -XPUT http://localhost:9200/index

=====create a mapping

curl -XPOST http://localhost:9200/index/fulltext/_mapping -H ‘Content-Type:application/json’ -d’
{
“properties”: {
“content”: {
“type”: “text”,
“analyzer”: “ik_max_word”,
“search_analyzer”: “ik_max_word”
}
}

}’

=====index some docs

curl -XPOST http://localhost:9200/index/fulltext/1 -H ‘Content-Type:application/json’ -d’
{“content”:“美国留给伊拉克的是个烂摊子吗”}
’
curl -XPOST http://localhost:9200/index/fulltext/2 -H ‘Content-Type:application/json’ -d’
{“content”:“公安部：各地校车将享最高路权”}
’
=====query with highlighting

curl -XPOST http://localhost:9200/index/fulltext/_search -H ‘Content-Type:application/json’ -d’
{
“query” : { “match” : { “content” : “中国” }},
“highlight” : {
“pre_tags” : [\"\", “”],
“post_tags” : [\"\", “”],
“fields” : {
“content” : {}
}
}
}
’

=====测试分词
curl -XGET -H ‘Content-Type: application/json’ ‘http://localhost:9200/_analyze?pretty’ -d ‘{
“analyzer” : “ik_max_word”,
“text”: “小猪佩奇”
}’

/etc/security/limits.conf

•  *          soft nofile 65536
  

•  *          hard nofile 131072
  

•  *           soft nproc 4096
  

•  *           hard nproc 4096
  

/etc/sysctl.conf
vm.max_map_count=262144

sysctl -p