Lately Cloud9 has been using an insane amount of CPU, to the point nothing will load. The node process (vfs-worker) will randomly start using 100-200% CPU and not stop until I killall node or reboot. This is on a Fresh Ubuntu install with a fresh Cloud9 install. I've switched servers 3 times, started fresh every time and still having the issue. Currently I'm on a 6 core VPS with 16gb of RAM and NVMe drives with nothing else running - the machine has no speed issues until I pull up Cloud9 and then this happens.
top output currently (this is typical of the issue):
top - 05:25:53 up 8 min, 0 users, load average: 1.58, 1.50, 0.75
Tasks: 140 total, 3 running, 137 sleeping, 0 stopped, 0 zombie
%Cpu(s): 3.6 us, 6.8 sy, 0.0 ni, 68.5 id, 0.0 wa, 0.0 hi, 0.1 si, 21.1 st
MiB Mem : 16008.7 total, 14915.5 free, 949.0 used, 144.2 buff/cache
MiB Swap: 0.0 total, 0.0 free, 0.0 used. 14816.9 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
591 root 20 0 1682708 839164 31552 R 178.0 5.1 8:07.95 node
1111 root 20 0 690472 53432 31496 S 7.7 0.3 0:09.81 node
548 root 20 0 13808 9044 7476 S 6.7 0.1 0:09.18 sshd
1147 root 20 0 11848 3756 3256 R 0.7 0.0 0:00.88 top
11 root 20 0 0 0 0 R 0.3 0.0 0:10.31 rcu_sched
112 root 20 0 0 0 0 I 0.3 0.0 0:01.13 kworker/u12:1-events_power_efficient
1 root 20 0 166912 10904 8388 S 0.0 0.1 0:04.07 systemd
2 root 20 0 0 0 0 S 0.0 0.0 0:00.15 kthreadd
3 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_gp
4 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 rcu_par_gp
6 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 kworker/0:0H-events_highpri
7 root 20 0 0 0 0 I 0.0 0.0 0:00.03 kworker/0:1-events
8 root 20 0 0 0 0 I 0.0 0.0 0:00.99 kworker/u12:0-events_unbound
9 root 0 -20 0 0 0 I 0.0 0.0 0:00.00 mm_percpu_wq
10 root 20 0 0 0 0 S 0.0 0.0 0:00.07 ksoftirqd/0
12 root rt 0 0 0 0 S 0.0 0.0 0:00.15 migration/0
13 root -51 0 0 0 0 S 0.0 0.0 0:00.00 idle_inject/0
This is the command hogging CPU:
root 591 120 3.4 1443908 567652 ? Rl 05:17 15:42 vfs-worker {"pingInterval":5000,"nodePath":"/root/.c9/node_modules","tmuxBin":"/root/.c9/bin/tmux","root":"/","debug":false,"connectionTimeout":60000,"metapath":"/.c9/metadata","envmetapath":"/.c9/metadata/environment","projectDir":"/","defaultEnv":{"HGUSER":"root","EDITOR":"","PORT":"8080","C9_PORT":"8080","IP":"127.0.0.1","C9_HOSTNAME":"154.12.230.222","C9_USER":"root","C9_PROJECT":"Box","C9_PID":"bfcfdc59308b461990aeb16d918ce011"},"useVfsLoaderCache":false,"environmentId":"bfcfdc59308b461990aeb16d918ce011","bytesPerSecond":3145728,"extendApi":{"collab":{"file":"c9.ide.collab/server/collab-server.js","user":{"userId":"301735008956","name":"root"},"project":{"workspaceId":"bfcfdc59308b461990aeb16d918ce011","name":"Box","type":"ssh"},"environment":{"id":"bfcfdc59308b461990aeb16d918ce011","name":"Box","type":"ssh","ideTemplateName":"Cloud9 Amazon Linux"},"readonly":false,"session":{},"nodePath":"/root/.c9/node_modules"},"ping":{"file":"c9.vfs.client/ping-service.js"},"store":{"file":"c9.vfs.client/store-service.js"}}}
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