ElasticSearch notes

Resources:

For installation check this url. (DEB page link)

Default cluster configuration:

cluster name elasticsearch

Start/stop service

SysV:

sudo -i service elasticsearch start
sudo -i service elasticsearch stop

Systemd (read more here):

sudo systemctl start elasticsearch.service
sudo systemctl stop elasticsearch.service
sudo systemctl restart elasticsearch.service
sudo systemctl status elasticsearch.service

sudo systemctl enable elasticsearch.service
sudo systemctl disable elasticsearch.service

sudo systemctl start kibana.service
sudo systemctl stop kibana.service

Version and log information

view log sudo journalctl -f
view log for service sudo journalctl –unit elasticsearch

Cluster information

Health curl -X GET “localhost:9200/_cat/health?v”
Indices curl “localhost:9200/_cat/indices?v”

Index management

index stats curl -X GET “localhost:9200/mydb/_stats?pretty”
get all documents curl -X GET “localhost:9200/_search” -H ‘Content-Type: application/json’ -d'{ “query”: { “match_all”: {} } }’
get all documents http://localhost:9200/mydb/_search
count all documents curl -X GET “localhost:9200/mydb/_count”
count all documents http://localhost:9200/mydb/_count
delete index entries curl -XPOST ‘localhost:9200/mydb/_doc/_delete_by_query?conflicts=proceed’ -H’Content-Type: application/json’ -d’ { “query”: { “match_all”: {} }}’
delete index curl -X DELETE “localhost:9200/mydb”

sd

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