Docker Mailserver
ClamAV error downloading daily.cvd #4529
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Every so often I get an email from [email protected] with content similar to the following: When I run Which appears to indicate I am encountering a rate limit imposed by the ClamAV CDN - I doubt it is an issue with not running the latest version because I get this error less often than once per hour. I tried searching for similar issues, but couldn’t find anything. |
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We add a cron task to check for updates every 6 hours: But looking at your error logs you were sent it seems like upon failure it tried again multiple times, roughly every 10-30s. I'm not familiar enough to know if those retries are from cron config elsewhere, or freshclam config. Either way, I think the rate limit is due to that, which is more of a symptom of the actual problem with your errors. For some reason the update I can't say for sure but it might be implied that the download was successful in prior error messages, and you only got the final error with a download failure once hitting the rate limit? That or even the update itself couldn't be written (or was only done partially). Maybe you've got limited disk space available? This I also recall another user reporting ClamAV accumulated quite a bit of those |
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You're right! I checked the volume - it was limited to 1Gi (as set by the helm chart), and upon inspection the volume was sitting at 1.1Gi, the storage controller must have been throttling it. I have bumped it to 3Gi now; not sure if that's enough but I can't remember seeing a recommended size in the documentation. The lions share of disk usage in mail-state is just for ClamAV at more than 80%. it seems like clamav is holding on to the previous daily files, which is inflating the size somewhat. |
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We add a cron task to check for updates every 6 hours:
https://github.com/docker-mailserver/docker-mailserver/blob/fcd99098414086fe7a7bedef9a03a0dc85b9a6ad/Dockerfile#L71C9-L71C20
But looking at your error logs you were sent it seems like upon failure it tried again multiple times, roughly every 10-30s.
I'm not familiar enough to know if those retries are from cron config elsewhere, or freshclam config. Either way, I think the rate limit is due to that, which is more of a symptom of the actual problem with your errors.
For some reason the update
daily.cvdcould not write to the/var/lib/clamavlocation.I can't say for sure but it might be implied that the download was successful in prio…