Hi,
My graylog is using a elasticsearch cluster, and I want to add a backup plugin in es, but it requires restart es. And I also want to update mongodb to a cluster, this will have downtime for mongodb.
May I know if it will disturb log collection if elasticsearch (or mongodb) down for about 10 minute or less?
Thanks.
you can disable processing in Graylog when you do the Elasticsearch Upgrade/Reboot what will buffer the messages in the Graylog journal.
How long that is possible depends on your ingest rate and the configured journal size.
When you upgrade/reboot MongoDB you must stop Graylog before as it is essential for Graylog that MongoDB is running and accessible.
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