我在aws上使用plesk时出现了磁盘满的问题，我不知道是什么在消耗这样的空间，我在服务器上几乎什么都没有

我如何看到哪些文件正在消耗这样的空间，哪些文件我可以删除？ （避免系统中的任何文件）

DF-H结果

Filesystem      Size  Used Avail Use% Mounted on
udev            468M     0  468M   0% /dev
tmpfs            98M   11M   88M  11% /run
/dev/xvda1      9.7G  9.7G     0 100% /
tmpfs           490M     0  490M   0% /dev/shm
tmpfs           5.0M   16K  5.0M   1% /run/lock
tmpfs           490M     0  490M   0% /sys/fs/cgroup
/dev/loop0       98M   98M     0 100% /snap/core/9289
/dev/loop1       97M   97M     0 100% /snap/core/9436
 /dev/loop2       18M   18M     0 100% /snap/amazon-ssm-agent/1566
/dev/loop3       29M   29M     0 100% /snap/amazon-ssm-agent/2012
tmpfs            98M     0   98M   0% /run/user/1000

plesk显示错误

DB query failed: SQLSTATE[HY000]: General error: 1021 Disk full (/tmp/#sql_448_0.MAI); waiting for 
someone to free some space... (errno: 28 "No space left on device"), query was: DESCRIBE `sessions`

Type    Plesk\Exception\Database
Message DB query failed: SQLSTATE[HY000]: General error: 1021 Disk full (/tmp/#sql_448_0.MAI); 
waiting for someone to free some space... (errno: 28 "No space left on device"), query was: DESCRIBE `    sessions`
File    Mysql.php
Line    60

谢谢

15M     bin
102M    boot
0       dev
13M     etc
44K     home
0       initrd.img
0       initrd.img.old
230M    lib
4.0K    lib64
16K     lost+found
4.0K    media
4.0K    mnt
1.1G    opt
1.1G    pleskswap
du: cannot access 'proc/21705/task/21705/fd/4': No such file or directory
du: cannot access 'proc/21705/task/21705/fdinfo/4': No such file or directory
du: cannot access 'proc/21705/fd/3': No such file or directory
du: cannot access 'proc/21705/fdinfo/3': No such file or directory
0       proc
60K     root
832K    run
15M     sbin
790M    snap
4.0K    srv
0       sys
64K     tmp
2.0G    usr
5.3G    var
0       vmlinuz
0       vmlinuz.old

var/log为1.1g var/lib为4.2g

var/lib/psa为3.4g var/lib/psa/dumps为3.4g

dumps包含许多文件，如backup_ext_advisor_2005xxxxx.tgz

删除整个文件夹是否安全？ 有办法避免创建这些文件吗？