freebsd samba медленно открывает папки где много файлов
gstat при этом показывает нагрузку на диск 99.9-99.8

файлы лежат на отдельном винте WD black 1TB (NTFS) который смонтирован через fuse (ntfs-3g)

FreeBSD xxx.ru 11.1-RELEASE-p4 FreeBSD 11.1-RELEASE-p4 #0: Tue Nov 14 06:12:40 UTC 2017 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64

samba47-4.7.4_1 конфиг

[global]
workgroup = WORKGROUP
server string = Samba Server
netbios name = SERVER_NET

# Setup charsets
dos charset = cp1251
unix charset = utf8

# Securtity settings
security = user
map to guest = Bad Password
guest account = nobody
# auth methods = guest, sam_ignoredomain
create mask = 0664
directory mask = 0775
hide dot files = yes


# Setup daemon settings
interfaces = lo0 ale0
bind interfaces only = yes
domain master = No
preferred master = Yes
wins support = yes
# socket options = IPTOS_LOWDELAY TCP_NODELAY SO_SNDBUF=65536 SO_RCVBUF=65536 SO_KEEPALIVE
socket options = TCP_NODELAY
os level = 65
# os level = 20
use sendfile = Yes
dns proxy = No
dont descend = /proc,/dev,/etc
deadtime = 15

# Setup logging
log file = /var/log/samba4/log.%m
max log size = 50
max xmit = 65536
debug level = 1

# Disable printers
load printers = No
show add printer wizard = no
printcap name = /dev/null
disable spoolss = yes

# Enable synlinks
unix extensions = No
wide links = yes
follow symlinks = yes

[для обмена]
comment = Public Folder
path = /windows/Для обмена
public = yes
writable = yes
read only = no
create mask = 0777
directory mask = 0777
guest ok = yes