Nextcloud 21 Upload and Download Speed Slow (around 1mbytes)

Hi,
i have a little Problem,
my Nextcloud Uploads and Download files pretty slow. Im Running Nextcloud 21 on a Proxmox Container with 4 Gigs of Ram and 4 CPU Cores. Behind a NGINX Proxy. Here ist my Configuration:
## Server configuration detail

**Operating system:** Linux 5.4.73-1-pve #1 SMP PVE 5.4.73-1 (Mon, 16 Nov 2020 10:52:16 +0100) x86_64

**Webserver:** Apache/2.4.46 (Ubuntu) (apache2handler)

**Database:** mysql 8.0.23

**PHP version:** 8.0.3

Modules loaded: Core, date, libxml, openssl, pcre, zlib, filter, hash, json, Reflection, SPL, session, standard, sodium, apache2handler, mysqlnd, PDO, xml, apcu, bcmath, calendar, ctype, curl, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, gmp, iconv, igbinary, imagick, intl, exif, mysqli, pdo_mysql, Phar, posix, readline, redis, shmop, SimpleXML, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlwriter, xsl, zip, Zend OPcache

**Nextcloud version:** 21.0.1 - 21.0.1.1

**Updated from an older Nextcloud/ownCloud or fresh install:** 

**Where did you install Nextcloud from:** unknown

<details><summary>Signing status</summary>

Array
(
)

</details>

<details><summary>List of activated apps</summary>

```
Enabled:
 - accessibility: 1.7.0
 - activity: 2.14.3
 - admin_audit: 1.11.0
 - calendar: 2.2.0
 - cloud_federation_api: 1.4.0
 - comments: 1.11.0
 - contacts: 3.5.1
 - contactsinteraction: 1.2.0
 - dashboard: 7.1.0
 - dav: 1.17.1
 - federatedfilesharing: 1.11.0
 - federation: 1.11.0
 - files: 1.16.0
 - files_external: 1.12.0
 - files_pdfviewer: 2.1.0
 - files_rightclick: 1.0.0
 - files_sharing: 1.13.1
 - files_trashbin: 1.11.0
 - files_versions: 1.14.0
 - files_videoplayer: 1.10.0
 - integration_whiteboard: 0.0.14
 - logreader: 2.6.0
 - lookup_server_connector: 1.9.0
 - mail: 1.9.5
 - nextcloud_announcements: 1.10.0
 - notes: 4.0.4
 - notifications: 2.9.0
 - oauth2: 1.9.0
 - onlyoffice: 6.3.0
 - password_policy: 1.11.0
 - photos: 1.3.0
 - privacy: 1.5.0
 - provisioning_api: 1.11.0
 - recommendations: 1.0.0
 - serverinfo: 1.11.0
 - settings: 1.3.0
 - sharebymail: 1.11.0
 - spreed: 11.1.2
 - support: 1.4.0
 - survey_client: 1.9.0
 - systemtags: 1.11.0
 - tasks: 0.13.6
 - text: 3.2.0
 - theming: 1.12.0
 - twofactor_backupcodes: 1.10.0
 - twofactor_totp: 6.0.0
 - updatenotification: 1.11.0
 - user_status: 1.1.1
 - viewer: 1.5.0
 - weather_status: 1.1.0
 - workflowengine: 2.3.0
Disabled:
 - encryption
 - firstrunwizard
 - user_ldap

```
</details>

<details><summary>Configuration (config/config.php)</summary>

```
{
    "instanceid": "***REMOVED SENSITIVE VALUE***",
    "passwordsalt": "***REMOVED SENSITIVE VALUE***",
    "secret": "***REMOVED SENSITIVE VALUE***",
    "trusted_domains": [
        "cloud.***.de"
    ],
    "trusted_proxies": "***REMOVED SENSITIVE VALUE***",
    "datadirectory": "***REMOVED SENSITIVE VALUE***",
    "dbtype": "mysql",
    "version": "21.0.1.1",
    "overwrite.cli.url": "https:\/\/cloud.***.de\/",
    "overwriteprotocol": "https",
    "dbname": "***REMOVED SENSITIVE VALUE***",
    "dbhost": "***REMOVED SENSITIVE VALUE***",
    "dbport": "",
    "dbtableprefix": "oc_",
    "mysql.utf8mb4": true,
    "dbuser": "***REMOVED SENSITIVE VALUE***",
    "dbpassword": "***REMOVED SENSITIVE VALUE***",
    "installed": true,
    "maintenance": false,
    "memcache.local": "\\OC\\Memcache\\APCu",
    "debug": true,
    "mail_from_address": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpmode": "smtp",
    "mail_sendmailmode": "smtp",
    "mail_domain": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpauth": 1,
    "mail_smtphost": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpname": "***REMOVED SENSITIVE VALUE***",
    "mail_smtppassword": "***REMOVED SENSITIVE VALUE***",
    "mail_smtpport": "587",
    "mail_smtpsecure": "tls",
    "updater.release.channel": "stable",
    "theme": "",
    "loglevel": 2,
    "default_phone_region": "DE",
    "htaccess.RewriteBase": "\/",
    "app_install_overwrite": [
        "bruteforcesettings"
    ]
}
```
</details>

**External storages:** yes

<details><summary>External storage configuration</summary>

```
+----------+-------------+------------+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+------------------+-------------------+-------+
| Mount ID | Mount Point | Storage    | Authentication Type       | Configuration                                                                                                                                  | Options         | Applicable Users | Applicable Groups | Type  |
+----------+-------------+------------+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+------------------+-------------------+-------+
| 4        | /web        | SMB / CIFS | Benutzername und Passwort | host: "192.168.0.18", share: "\/web", root: "", domain: "", show_hidden: false, check_acl: false, timeout: "", user: "webusr", password: "***" | readonly: false | ***   |                   | Admin |
+----------+-------------+------------+---------------------------+------------------------------------------------------------------------------------------------------------------------------------------------+-----------------+------------------+-------------------+-------+

```
</details>

**Encryption:** no

**User-backends:** 
 * OC\User\Database


**Browser:** Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.1 Safari/605.1.15

I tried everything, but nothing Changed :roll_eyes:
Thangs for your Help!