Filebeat recovery from ES disconnect

Elastic Stack Beats
1

Hi there,

I wasn't able to find much information in the documentation about how Filebeat reacts when the elasticsearch output server is unavailable for a period of time.

Does it give up on any logs it tries to send? An interruption should not be more than 1 hour where Filebeat cannot reach the elasticsearch instance but I was wondering what if.

Thanks

2

Filebeat provides send-at-least-once. That is, it will retry infinitely until events are ACKed by Elasticsearch. Retry is subject to exponential backoff, starting at 1s, up to max 60s.

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