[Website]: Add info regarding startup health checks of ES output #3457
Description
Type of issue
None
What documentation page is affected
https://www.elastic.co/docs/reference/logstash/plugins/plugins-outputs-elasticsearch
What happened?
We should warn that if Logstash fails to perform the health checks of even 1 of N hosts provided in the hosts parameter of the ES output with an unrecoverable error, the pipeline will fail to startup and Logstash will stop entirely.
Additional info
No response