Log files grow very large

[harrisreynolds]

I recently has an issue where disk space filled up on my server.

Using the ncdu linux utility I was able to find an 83GB json file inside of the MongoDB docker container (build with dokku-mongo).

Ideally we could either turn off logging or have it roll when it hit a certain size or age.

[shsunmoonlee]

It happened to me. I ran -type f -size +100000k -exec ls to find out

root@seunghunlee:~# find / -type f -size +100000k -exec ls -lh {} \;
-rw-rw---- 1 root utmp 113M Jan  1 06:24 /var/log/btmp.1
-rw-r--r-- 1 999 docker 100M Feb 18  2019 /var/lib/dokku/services/mongo/seunghunlee/data/journal/WiredTigerPreplog.0000000002
-rw-r--r-- 1 999 docker 100M Feb 18  2019 /var/lib/dokku/services/mongo/seunghunlee/data/journal/WiredTigerPreplog.0000000001
-rw-r--r-- 1 999 docker 100M Nov 16 13:16 /var/lib/dokku/services/mongo/meet/data/journal/WiredTigerPreplog.0000000002
-rw-r--r-- 1 999 docker 100M Nov 16 13:18 /var/lib/dokku/services/mongo/meet/data/journal/WiredTigerLog.0000000001
-rw-r--r-- 1 999 docker 100M Nov 16 13:16 /var/lib/dokku/services/mongo/meet/data/journal/WiredTigerPreplog.0000000001

And I manually removed each of them. Do you have suggestions on effective ways to fix it?

[josegonzalez]

Those files are used by mongodb internally and probably shouldn't be deleted. Answer here on why.

I'd be curious about that 83GB json file but I'm going to guess it's just mongodb.

You can modify your mongodb config at the path shown by dokku mongo:info $SERVICE --config-dir to combat this, but it's a bit beyond this plugin to do so without potentially having adverse effects on the running of mongodb. I'd refer to any documentation here.

Feel free to open a new ticket if there is more information or if you are having a similar issue and think Dokku should handle it (and have an idea as to how).