Oct 12, 2012

failed to flush the buffer, retrying. error="no nodes are available" fluentd

I got other error message from fluentd.
  failed to flush the buffer, retrying. error="no nodes are available"

The detail message is the following.


The reason
flunetd uses UDP for health check. But my target servers are on staging environment and collecting server is on production environment. They are on different segment. UDP is prohibited by our network policy.

The solution
Configure your Fire Wall to permit UDP over different segment.
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