Strange behavior with large file(s) about projectsend HOT 4 OPEN

version: "3.1"
services:
  caddy:
    image: caddy
    ports:
      - "80:80"
      - "443:443"
      - "443:443/udp"
    volumes:
      - ./caddy/Caddyfile:/etc/caddy/Caddyfile
      - ./caddy/sites:/var/www/html
      - ./caddy/caddy_data:/data
    depends_on:
      - projectsend
    restart: unless-stopped

  projectsend:
    image: lscr.io/linuxserver/projectsend:latest
    container_name: projectsend
    depends_on:
      - db-projectsend
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Europe/Amsterdam
      - MAX_UPLOAD=20000
    volumes:
      - ./projectsend_config:/config
      - ./projectsend_data:/data
    # ports:
    #   - 127.0.0.1:8080:80
    restart: unless-stopped

  db-projectsend:
    image: lscr.io/linuxserver/mariadb
    container_name: mariadb-projectsend
    environment:
      - PUID=1000
      - PGID=1000
      - MYSQL_ROOT_PASSWORD=${MARIADBPASSWORDPS}
      - TZ=Europe/Amsterdam
      - MYSQL_DATABASE=PS_database
      - MYSQL_USER=PS_dbuser
      - MYSQL_PASSWORD=${DBPASSWORDPS}
    volumes:
      - ./db-projectsend:/config
    restart: unless-stopped