January 8, 201610 yr Re-did my docker image a couple of months back, as it had steadily been rising. Redoing it brought me down significantly, and I removed some old dockers. With the new image, 15G, I started around 40% usage and have now climbed to the 70% mark. Using cAdvisor, I got a nice list of my largest dockers, though I wonder why exactly they have grown/been growing. If anyone could point anything out to me, I would appreciate it. linuxserver/plex latest ea4a95364f8e4886e2ba44b2 600.54 MiB 1/7/2016, 2:38:19 AM sparklyballs/beardrage latest 6c16874a481fd7adee2be8fc 584.30 MiB 5/20/2015, 7:48:00 PM linuxserver/headphones latest 2e0584b656b52a8ee4c960ed 456.99 MiB 8/25/2015, 7:41:18 AM sparklyballs/amule latest 81d57c91c85c6d6d472be23b 438.98 MiB 4/13/2015, 1:54:11 PM needo/sabnzbd latest 29e60047211d1e18eb896c05 426.70 MiB 3/1/2015, 3:21:13 PM needo/couchpotato latest 196d8d33f934fa545f1310ef 322.36 MiB 5/5/2015, 11:27:38 PM mace/openvpn-as latest e3724358ea4c045ae9727a8c 281.96 MiB 8/15/2015, 5:19:30 AM linuxserver/plexpy latest 1d88a8e510adc31862496d18 268.44 MiB 8/6/2015, 4:05:40 AM google/cadvisor latest c0e56eeefd42514c0d8ef707 21.72 MiB 10/2/2015, 11:40:13 AM Also had Domoticz in there, with the largest docker, at 700MB. Removed it for now. If I need more space, I am fine expanding, I am just wondering why, or what I could do to prevent it. Prepetual growth of a couple of GB a month would be eating a decent amount in a year or two.
January 8, 201610 yr I personally have found cAdvisor completely worthless, as it does not accurately report the true size of the images inside the docker image file. My image usage percentage would continue to grow and the sizes reported by cAdvisor would not change at all. I have had issues with the Couchpotato containers. 1. Make a note of your current docker image percent usage 2. Remove Couchpotato (both the container and the image) 3. Note the new docker image percent usage 4. Reinstall Couchpotato from your user template 5. Note the new docker image percent usage
January 8, 201610 yr Author I personally have found cAdvisor completely worthless, as it does not accurately report the true size of the images inside the docker image file. My image usage percentage would continue to grow and the sizes reported by cAdvisor would not change at all. I have had issues with the Couchpotato containers. 1. Make a note of your current docker image percent usage 2. Remove Couchpotato (both the container and the image) 3. Note the new docker image percent usage 4. Reinstall Couchpotato from your user template 5. Note the new docker image percent usage I noticed the cpanel issue when removing(and just after writing this post) readding Domoticz. cPanel shows Domoticz as my largest offender, but removing/readding only accounted for a couple of %. However, removing CouchPotato dropped me from 78% to 56%! Thanks much for this! Now to see if I can't find another that is eating up similar space, or at least my next largest offender.
January 8, 201610 yr Haven't tried this yet (as I have zero issues with docker sizes, and pretty much my size has been stable forever), but you might want to check this out http://lime-technology.com/forum/index.php?topic=45249.msg432000#msg432000
January 11, 201610 yr I run this: docker run --rm -v /var/run/docker.sock:/var/run/docker.sock -v /etc:/etc spotify/docker-gc
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