Improve samba speed

common/server/samba.nix

@@ -24,6 +24,18 @@
         load printers = yes
         printing = cups
         printcap name = cups
+
+        # encryption
+        server smb encrypt = desired
+
+        # gotta go fast https://wiki.archlinux.org/title/Samba#Improve_throughput
+        server multi channel support = yes
+        deadtime = 30
+        use sendfile = yes
+        min receivefile size = 16384
+        aio read size = 1
+        aio write size = 1
+        socket options = IPTOS_LOWDELAY TCP_NODELAY IPTOS_THROUGHPUT SO_RCVBUF=131072 SO_SNDBUF=131072
       '';
 
       shares = {

machines/storage/s0/configuration.nix

@@ -62,15 +62,16 @@
     services.lidarr.enable = true;
     services.lidarr.user = "public_data";
     services.lidarr.group = "public_data";
-    users.groups.transmission.members = [ "public_data" ];
     services.transmission = {
       enable = true;
       performanceNetParameters = true;
+      user = "public_data";
+      group = "public_data";
       settings = {
         /* directory settings */
         # "watch-dir" = "/srv/storage/Transmission/To-Download";
         # "watch-dir-enabled" = true;
-        "download-dir" = "/var/lib/transmission/Downloads";
+        "download-dir" = "/data/samba/Public/Plex/Transmission";
         "incomplete-dir" = "/var/lib/transmission/.incomplete";
         "incomplete-dir-enabled" = true;