Graylog Shows Various Unprocess Message Count

[jochen]

@JoeG

Why does graylog show the following

Most likely because it’s unable to connect to Elastiscearch:

No Route to Host - Graylog not Starting

After restart graylog nodes, they cannot communicate with the elasticsearch database. Graylog version is 2.2.3, ElasticSearch is 2.4.4. Graylog logs report the following: 2017-04-19T09:24:30.906-04:00 INFO [zen] [graylog-c27e0f18-5abd-453d-93f3-57be2ffa5b11] failed to send join request to master [{001-elasrchdb-02.example.com}{iT4HNsk3Rza4ifz9CfHxIg}{172.16.1.154}{172.16.1.154:9300}{attr.zone=prod, attr.rack_id=even}], reason [RemoteTransportException[[001-elasrchdb-02.example.com][172.16.1.15…

Check the logs of your Graylog node(s) for details about the error.