Elasticsearch Snapshot and Restore
https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html
Elasticsearch Migration Helper Plugin
cd /usr/share/elasticsearch/
./bin/plugin install https://github.com/elastic/elasticsearch-migration/releases/download/v2.0.4/elasticsearch-migration-2.0.4.zip you may get updated command from here -> Elasticsearch Migration Plugin Install
You may download plugin from here -> Elasticsearch Migration Plugin
After plugin install, access plugin using URL
http://elasticsearch_ip:9200/_plugin/elasticsearch-migration/
netstat -na | egrep ‘9200|9300’
vi /etc/elasticsearch/elasticsearch.yml
network.host: localhost to network.host: “0”
If we have error for file descriptors.
Elasticsearch uses a lot of file descriptors or file handles. Running out of file