当目录包含许多小文件时，Windows Samba 客户端运行缓慢

Question

我在 Windows 客户端上安装了 Samba 共享，当我从客户端移动一个包含 ~2500 个小文件（总计约 1.5 TB）的目录时，需要将近一分钟。

为什么这不是瞬间发生的？

• 在本地 Linux 服务器 [ext4] 上进行同样的操作是瞬间发生的
• 我们使用 ACL 完全管理 Windows 和 Mac 客户端的权限

# smb.conf

[global]
        workgroup = XYZ
        security = ads

        passdb backend = tdbsam

        #log level = 3 winbind:5
        log level = 1
        socket options = TCP_NODELAY IPTOS_LOWDELAY
        server multi channel support = yes
        interfaces ="192.168.123.12;capability=RSS,speed=40000000000"
        aio read size = 1
        aio write size = 1
        aio max threads = 128
        max stat cache size = 1048576
        case sensitive = yes

        kerberos method = secrets and keytab
        realm = XYZ.EXAMPLE.COM
        template homedir = /home/%U@%D
        password server = dc1.xyz.example.com
        template shell = /bin/bash
        idmap config IYC : range = 2000000-2999999
        idmap config IYC : backend = rid
        idmap config * : range = 10000-999999
        idmap config * : backend = tdb
        winbind use default domain = no
        winbind refresh tickets = yes
        winbind offline logon = yes
        winbind enum groups = no
        winbind enum users = no
        map acl inherit = yes

        vfs objects = acl_xattr fruit streams_xattr
        acl_xattr:ignore system acls = yes

        store dos attributes = no
        map archive = no

        fruit:metadata = stream
        fruit:model = MacSamba
        fruit:posix_rename = yes
        fruit:veto_appledouble = no
        fruit:nfs_aces = no
        fruit:wipe_intentionally_left_blank_rfork = yes
        fruit:delete_empty_adfiles = yes

[footage]
        path = /data/footage
        read only = no

[projects]
        path = /data/projects
        read only = no