Comments (4)
Hello @ameyrk18; I've run into this problem myself. This is generally caused when fluentd is configured to write out log events to STDOUT
, when configured to use systemd as the log-driver, when fluentd is configured to process logs from systemd.
You've basically created a loop, where one container sends a log to STDERR
/STDOUT
, Docker forwards this to systemd, systemd forwards this to fluentd, fluentd forwards this to STDOUT
, which forwards to systemd, which forwards to fluentd, which...
The way I've gotten around this is by configuring the fluentd Docker container to use json-file as its log-driver. When you configure the log-driver in /etc/docker/daemon.json
, that sets the default log-driver, but you can still over-ride this on container creation with the --log-driver json-file
option being passed to docker container run
.
from fluent-plugin-systemd.
Hi @Jitsusama yes your right that happens when the output driver is set stdout. Ahh, yes now I get the loops :) weird. Not sure if this is expected or not.
I bypassed this as you said. Reconfigured my docker logging to journald and forced the container (fluentd) to use json logging.
Many thanks for your inputs.
I leave this topic with the owner to close this if this is not an issue.
Thanks,
Amey
from fluent-plugin-systemd.
Thanks for raising this @ameyrk18
I guess we should document that this can happen ...
Am I correct in thinking @ameyrk18 that when this issue occurs you are reading the full journal without setting matches
/filters
?
from fluent-plugin-systemd.
@errm . I will document this and update READ.me
Yes your understanding is correct I am reading full journal without setting matches/filters.
Best Regards,
Amey
from fluent-plugin-systemd.
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