Nothing of note in the logs, just the 502 from the admin .json, which looks to be a timeout:
/var/discourse/shared/standalone/log/rails# more unicorn.stderr.log
I, [2018-10-16T05:13:36.016595 #80] INFO -- : master done reopening logs
I, [2018-10-16T05:13:36.051096 #206] INFO -- : worker=0 done reopening logs
I, [2018-10-16T05:13:36.071959 #253] INFO -- : worker=2 done reopening logs
I, [2018-10-16T05:13:36.079130 #225] INFO -- : worker=1 done reopening logs
I, [2018-10-16T05:13:36.082894 #1264] INFO -- : worker=3 done reopening logs
E, [2018-10-16T17:02:00.830572 #80] ERROR -- : worker=1 PID:225 timeout (31s > 3
0s), killing
I, [2018-10-16T17:02:08.596101 #26765] INFO -- : worker=1 ready
E, [2018-10-16T17:10:47.306347 #80] ERROR -- : worker=2 PID:253 timeout (31s > 3
0s), killing
From https://github.com/discourse/discourse
e3c6dd2..b23ebf1 tests-passed -> origin/tests-passed
e3c6dd2..b23ebf1 master -> origin/master
* [new branch] svg-icons -> origin/svg-icons
I, [2018-10-16T17:10:54.901712 #27709] INFO -- : worker=2 ready
D, [2018-10-16T17:11:17.368681 #80] DEBUG -- : waiting 16.0s after suspend/hiber
nation
E, [2018-10-16T18:51:14.634343 #80] ERROR -- : worker=3 PID:1264 timeout (31s >
30s), killing
I, [2018-10-16T18:51:22.141804 #3833] INFO -- : worker=3 ready
D, [2018-10-16T18:51:44.697230 #80] DEBUG -- : waiting 16.0s after suspend/hiber
nation
E, [2018-10-16T19:07:10.412676 #80] ERROR -- : worker=0 PID:206 timeout (31s > 3
0s), killing
I, [2018-10-16T19:07:17.781331 #5188] INFO -- : worker=0 ready
E, [2018-10-16T19:16:05.922215 #80] ERROR -- : worker=2 PID:27709 timeout (31s >
30s), killing
I, [2018-10-16T19:16:13.599249 #6114] INFO -- : worker=2 ready
E, [2018-10-16T19:20:28.217211 #80] ERROR -- : worker=2 PID:6114 timeout (31s >
30s), killing
I, [2018-10-16T19:20:35.408446 #6574] INFO -- : worker=2 ready
D, [2018-10-16T19:20:58.285287 #80] DEBUG -- : waiting 16.0s after suspend/hiber
nation
Resources seems all ok?
>df -h
Filesystem Size Used Avail Use% Mounted on
udev 2.0G 4.0K 2.0G 1% /dev
tmpfs 396M 408K 395M 1% /run
/dev/disk/by-label/DOROOT 79G 15G 60G 20% /
none 4.0K 0 4.0K 0% /sys/fs/cgroup
none 5.0M 0 5.0M 0% /run/lock
none 2.0G 1.7M 2.0G 1% /run/shm
none 100M 0 100M 0% /run/user
none 79G 15G 60G 20% /var/lib/docker/aufs/mnt/b834156bb92ed60ad3d0683540e279fb90f980abb7625247e43db83f7a3cb640
shm 512M 8.0K 512M 1% /var/lib/docker/containers/1ccedc3b8178735b0e091bbc1f42bbfdc6ba03b2676e81a21f210ff178c12d70/shm
>free -h
total used free shared buffers cached
Mem: 3.9G 3.7G 193M 1.0G 50M 1.5G
-/+ buffers/cache: 2.2G 1.7G
Swap: 2.0G 29M 2.0G
All of these paths work ok, it’s just the main /admin page (plus the moderation page is ok too):
admin/reports/signups
admin/reports/topics
admin/reports/posts
admin/reports/dau_by_mau
admin/reports/daily_engaged_users
admin/reports/new_contributors
admin/reports/top_referred_topics
admin/reports/trending_search