https://www.elastic.co/guide/en/elasticsearch/client/java-api/current/index.html


https://www.elastic.co/guide/en/elasticsearch/client/index.html



https://www.elastic.co/guide/index.html

https://www.elastic.co/guide/en/elasticsearch/reference/current/index.html

https://www.elastic.co/guide/en/elasticsearch/reference/current/install-elasticsearch.html


阿里云Elasticsearch


https://www.elastic.co/guide/en/logstash/current/index.html
https://www.elastic.co/support/matrix#matrix_logstash_plugins
https://www.elastic.co/guide/en/logstash/current/plugins-inputs-redis.html
https://www.elastic.co/guide/en/logstash/current/introduction.html





https://www.elastic.co/guide/en/kibana/current/tutorial-sample-data.html
https://www.elastic.co/guide/en/logstash/6.7/_how_to_write_a_logstash_codec_plugin.html
https://github.com/logstash-plugins/logstash-codec-java_codec_example
https://www.elastic.co/guide/en/logstash/current/plugins-outputs-elasticsearch.html

https://github.com/aliesbelik/awesome-jmeter

https://github.com/yasserg/crawler4j

crawling 

scraping

Web Crawler

Spider