File output, disk full: messages lost?

(Richard Kun) #1

Hi there,

I would like to save every message into a single textfile with file output. (filters will be applied later). I have tested the behaviour of logstash in the case of the disk full, and I was surprised: logstash crashed and started again, and crashed and started again until freeing up some disk space.
I tried with queue.type: persisted option also (queue files on another partition), and the behavior was the same.

It's a normal behaviour? How can I guarantee that all received messages will be written in the text file?
(logstash 5.6.0)

(system) #2

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