If I send the data directly from spring boot app to elasticsearch using curl, is there a problem?

[xodn0812 (taewooKim)]

If I send the data directly from spring boot app to elasticsearch using curl,
is there a problem?

[warkolm (Mark Walkom)]

It's better if you keep things to one thread

I would like to send data from spring boot app to elasticsearch

I would like to send data from spring boot app to elasticsearch. Which way is better? What use case is there? and, i am using fluentD.