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Hello,
Whenever i run my daily backup for a single site, its a decent large wordpress site so the backup with mail is 30GB, it takes down the website while it is making the backup for server hours making the site unavailable.
I tried running the backup with low intensity at the lowest possible settings, i tried running the backup uncompressed so it would not have to tar it. Also no improvment.
The server is a 4 core vps with 8GB of ram.
When the server is running without backup it runs perfectly fine.
top - 19:02:05 up 2 days, 10:17, 1 user, load average: 0,42, 0,76, 0,72
Tasks: 73 total, 1 running, 72 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0,1 us, 0,2 sy, 0,0 ni, 99,7 id, 0,0 wa, 0,0 hi, 0,0 si, 0,0 st
MiB Mem : 8192,0 total, 5073,4 free, 2397,3 used, 721,2 buff/cache
MiB Swap: 0,0 total, 0,0 free, 0,0 used. 5657,5 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
710 apache 20 0 2508632 17392 6628 S 0,3 0,2 2:12.77 httpd
1 root 20 0 242548 8388 5736 S 0,0 0,1 1:44.11 systemd
119 root 20 0 390656 218620 192888 S 0,0 2,6 7:49.57 systemd+
125 root 20 0 97280 4084 2944 S 0,0 0,0 0:00.70 systemd+
137 dbus 20 0 54248 2156 1376 S 0,0 0,0 0:55.01 dbus-da+
141 root 20 0 86144 4604 3488 S 0,0 0,1 0:25.93 systemd+
142 root 20 0 497736 18304 5608 S 0,0 0,2 0:03.31 firewal+
145 root 20 0 58292 600 0 S 0,0 0,0 0:00.00 saslaut+
146 root 20 0 58292 624 0 S 0,0 0,0 0:00.00 saslaut+
152 psaadm 20 0 1462592 7344 0 S 0,0 0,1 0:24.17 plesk-t+
529 root 20 0 522968 30796 23732 S 0,0 0,4 17:21.90 php-fpm
530 root 20 0 268644 5660 3256 S 0,0 0,1 0:39.43 httpd
534 root 20 0 413656 23140 17912 S 0,0 0,3 0:24.77 sw-engi+
537 amavis 20 0 1288148 705260 1376 S 0,0 8,4 0:37.40 clamd
538 root 20 0 76508 4864 3948 S 0,0 0,1 0:01.62 sshd
541 root 20 0 48856 2272 1700 S 0,0 0,0 0:21.63 xinetd
543 postfix 20 0 461160 6196 3992 S 0,0 0,1 1:44.72 psa-pc-+
When i run the backup the load averages spike up to around 7.00 to 14.00.
I would assume a 4 core 8GB vps (at strato) would be sufficient to make a backup in plesk.
Am i overlooking something that can fix this issue as several hours of downtime to make a daily backup is just too much.
Whenever i run my daily backup for a single site, its a decent large wordpress site so the backup with mail is 30GB, it takes down the website while it is making the backup for server hours making the site unavailable.
I tried running the backup with low intensity at the lowest possible settings, i tried running the backup uncompressed so it would not have to tar it. Also no improvment.
The server is a 4 core vps with 8GB of ram.
When the server is running without backup it runs perfectly fine.
top - 19:02:05 up 2 days, 10:17, 1 user, load average: 0,42, 0,76, 0,72
Tasks: 73 total, 1 running, 72 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0,1 us, 0,2 sy, 0,0 ni, 99,7 id, 0,0 wa, 0,0 hi, 0,0 si, 0,0 st
MiB Mem : 8192,0 total, 5073,4 free, 2397,3 used, 721,2 buff/cache
MiB Swap: 0,0 total, 0,0 free, 0,0 used. 5657,5 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
710 apache 20 0 2508632 17392 6628 S 0,3 0,2 2:12.77 httpd
1 root 20 0 242548 8388 5736 S 0,0 0,1 1:44.11 systemd
119 root 20 0 390656 218620 192888 S 0,0 2,6 7:49.57 systemd+
125 root 20 0 97280 4084 2944 S 0,0 0,0 0:00.70 systemd+
137 dbus 20 0 54248 2156 1376 S 0,0 0,0 0:55.01 dbus-da+
141 root 20 0 86144 4604 3488 S 0,0 0,1 0:25.93 systemd+
142 root 20 0 497736 18304 5608 S 0,0 0,2 0:03.31 firewal+
145 root 20 0 58292 600 0 S 0,0 0,0 0:00.00 saslaut+
146 root 20 0 58292 624 0 S 0,0 0,0 0:00.00 saslaut+
152 psaadm 20 0 1462592 7344 0 S 0,0 0,1 0:24.17 plesk-t+
529 root 20 0 522968 30796 23732 S 0,0 0,4 17:21.90 php-fpm
530 root 20 0 268644 5660 3256 S 0,0 0,1 0:39.43 httpd
534 root 20 0 413656 23140 17912 S 0,0 0,3 0:24.77 sw-engi+
537 amavis 20 0 1288148 705260 1376 S 0,0 8,4 0:37.40 clamd
538 root 20 0 76508 4864 3948 S 0,0 0,1 0:01.62 sshd
541 root 20 0 48856 2272 1700 S 0,0 0,0 0:21.63 xinetd
543 postfix 20 0 461160 6196 3992 S 0,0 0,1 1:44.72 psa-pc-+
When i run the backup the load averages spike up to around 7.00 to 14.00.
I would assume a 4 core 8GB vps (at strato) would be sufficient to make a backup in plesk.
Am i overlooking something that can fix this issue as several hours of downtime to make a daily backup is just too much.
