问题
How to install elasticsearch-river-mongodb plugin to Amazon Elasticsearch Service?
回答1:
From Amazon ES limits
Custom plugins The service does not support custom plugins. However, the service does support several standard plugins, including Kibana, ICU, and Kuromoji.
There are few (necessary) plugins that are installed by deafult but you cannot install your own
来源：https://stackoverflow.com/questions/36403945/can-i-install-plugin-on-amazon-elasticsearch-service