site2 on cp.vpsrv.de

Identity

PHP-FPM runs asuid 20002 (whp-site2)
PHP master PID27263
Own directory/opt/whp/clients/acct2/sites/site2
open_basedir/opt/whp/clients/acct2/sites/site2:/usr/share/php:/sys/fs/cgroup/whp.slice

Limits (systemd slice, live)

RAM now / max8 MB / 128 MB
OOM kills so far5
CPU quota (µs per 100 ms)50000 100000
CPU throttled3.5 s
Processes (max)2 (200)

Try the limits

Allocate 400 MB (RAM limit) Burn CPU 5 s (CPU limit) Write 120 MB (disk quota) Clean up Read the other site's files Refresh

The other site keeps running while you kill this one — that is the point of one PHP-FPM master per site.